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User`s Manual EZ-ZONE® PM PID Controller Models

1. A Network Using Modbus RTU EZ ZONE ST ST BorF M EZ ZONE PM ecu PM AAAAAXX C lT 8 EZ ZONE RM LET CE LU LT B Ii LT I m fa mu LL FCO LED D E LI ILLU pst LET put CI o put LT CL J TT I Hi JE LET PLC Watlow EZ ZONE PM PID Controller e 24 Chapter 2 Install and Wire N AN Warning Use National Electric NEC or other country specific standard wiring and safety practices when wiring and connecting this controller to a power source and to elec trical sensors or peripheral devices Failure to do so may result in damage to equip ment and property and or injury or loss of life Note Maximum wire size termina tion and torque rating e 0 0507 to 3 30 mm 30 to 12 AWG single wire ermi nation or two 1 31 mm2 16 AWG e 0 8 Nm 7 0 Ib in torque Note Adjacent terminals may be labeled differently depend
2. Instance 1 Map1 Map2 372 368 fit P Absolute Tempera ture 1540 r hj Relative Humidity 1538 Pr o Process 75 PL uc Power 73 100 0 to 1 000 0 Instance 1 Mapi1 Map2 442 Instance 1 Map1 Map2 388 388 0x68 104 1 OxF 15 100 0 to 1 000 0 Instance 1 Map1 Map2 390 390 0x68 104 1 0x10 16 Instance 1 Map1 Map2 392 392 1 999 000 to 9 999 000 0x68 104 1 0x11 17 Watlow EZ ZONE PM PID Controller Chapter 6 Setup Page Setup Page CIP Parameter Name Meim TES ue Cs Param RA Range Default tive Instance Descuphon Address Attribute Cte ID hex dec 1 999 000 to 9 999 000 Instance 1 0x68 104 4018 i Map1 Map 2 1 Set the high range for this 394 394 0x12 18 function block s output Analog Input 1 Off 62 Instance 1 0x68 104 10 4030 Process Error Enable Low 53 Mapi Map2 1 Turn the Process Error 418 38g Ox1E 30 Low feature on or off Analog Input 1 100 0 to 1 000 0 Instance 1 0x68 104 11 4031 Process Error Low Map1 Map2 1 If the process value drops 420 490 Ox1F 31 below this value it will trigger an input error Analog Input 1 Curve A 1451 Instance 1 0x68 104 4038 Thermistor Curve Curve B 1452 Map1 Map2 1 Select a curve to apply to Curve C 1453 434 434 20x6 38 the thermistor input Custom 180 Analog Input 1 5K 1448 Instance 1 0x68 104 4037 Resistance Range 10K 1360 Map1 Map 2
3. L1 normally open m Ki common J1 normally closed Output 1 Universal Process volts or current volts 4 current Slot A F1 G1 H1 0 to 20 mA into 800 Q maxi mum load 0 to 10V dc into voltage 1 kQ minimum load scalable output supplies power cannot use voltage and current outputs at same time Output may be used as re transmit or control FA oom er dnt negative L current volts relay solid state relay or PM F AAAA open collector output options requires use of an R C sup pressor Watlow EZ ZONE PM PID Controller e 20 Chapter 2 Install and Wire N AN Warning Use National Electric NEC or other country specific standard wiring and safety practices when wiring and connecting this controller to a power source and to elec trical sensors or peripheral devices Failure to do so may result in damage to equip ment and property and or injury or loss of life Note Maximum wire size termina tion and torque rating e 0 0507 to 3 30 mm 30 to 12 AWG single wire termi nation or two 1 31 mm 16 AWG e 0 8 Nm 7 0 Ib in torque Note Adjacent terminals may be labeled differently depend ing on the model number Note To prevent damage to t
4. 15 A at 85 to 264V ac resis tive load only 1 16 DIN models only 2 000 000 cycle rating for NO ARC circuit 100 mA minimum load e 2 mA maximum off state leakage Do not use on dc loads Output does not supply power PM 4 6 8 9 H AAAA Output 2 Mechanical Relay Form A normally open common SIot A L2 K2 e 5 A at 240V ac or 30V dc maximum resistive load 20 mA at 24V minimum load 125 VA pilot duty 120 240V ac 25 VA at 24V ac 100 000 cycles at rated load Output does not supply power for use with ac or dc See Quencharc note PM ___ J _ AAAA _ L2 Output 2 Solid state Relay Form A normally open common Slot A L2 K2 0 5 A at 20 to 264V ac maxi mum resistive load 20 VA 120 240V ac pilot duty opto isolated without contact suppression maximum off state leakage of Output does not supply power 105 microamperes Do not use on dc loads See Quencharc note PM K AAAA 1 Amp SSR Derating Curve early Bunesado sjes 0 Ambient Temperatue C eee 10 20 30 40 a 50 Watlow EZ ZONE PM PID
5. ooi 1 8 DIN PM9 Horizontal Recommended Panel Spacing 92 3 mm j 3 635 in 45 2 mm 1 78 in Panel thickness 0 060 in 1 53 mm 21 6 mm to 0 375 in 9 52 mm 0 85 in F 21 6 mm 0 85 in Watlow EZ ZONE PM PID Controller e 10 Chapter 2 Install and Wire 1 4 DIN PM4 3 95 g 62 p pile 1 52 06 A A N 5 dee 3 i CH D i 1 c Ci n O 100 33 amp c 8 95 CH 4 KD ai 73 ta J T CI aa z 1270 PS 50 spite 3073 is 1 21 100 84 2 3 97 3 1 4 DIN PM4 Recommended Panel Spacing 923 gt 3 635 I 92 3 3 635 Y Eod Panel thickness 060 1 53 to 375 9 52 216 a 85 Watlow EZ ZONE PM PID Controller e 11 Chapter 2 Install and Wire Installation retention collar retention collar 1 Make the panel cutout using the mounting tem plate dimensions in this chapter Insert the case assembly into the panel cutout 2 While pressing the case assembly firmly against the panel slide the mounting collar over the back of the controller If the installation does not require a NEMA 4
6. Y1 30 mA dc maximum supply cur rent short circuit limited to lt 50 mA 22 to 32V dc open circuit voltage Use dc and dc to drive exter nal solid state relay DIN A MITE compatible single pole up to 4 in parallel or 4 in series 2 pole up to 2 in parallel or 2 in series 3 pole up to 2 in series Open Collector 100 mA maximum output cur rent sink 30V dc maximum supply voltage Any switched dc output can use the common terminal Use an external power supply to control a dc load with the load positive to the positive of the power supply the load negative to the open collector and com mon to the power supply nega tive See Quencharc note PM _ C AAAA Switched DC i J HK common Iur dc EE Open Collector Power Suppl common ly j rd im dc O E 7 O Load Output 1 Mechanical Relay Form C normally open cere open 4 common normally closed SIot A K1 J1 5 A at 240V ac or 30V dc maximum resistive load 20 mA at 24V minimum load 125 VA pilot duty at 120 240V ac 25 VA at 24V ac 100 000 cycles at rated load Output does not supply power for use with ac or dc See Quencharc note PM E AAAA
7. 0 cee RR 36 Monitor Menilzcsore non Ee RET ae ade baa eed ewan 36 Control Eoop Men zi uos oP os usce etos eee dle Pob Cet 37 Alarm Menlo e eis xr econ bent NERA RENS 39 Profile Status Merl b ppt R aes 40 Chapter 6 Setup Page 0 ccc eee 43 Analog Input Menu II 45 Linearization Menag zer ht ERREUR IEEE EAS 46 Process Value Menu oid rt beet bre e Pate erase 48 Digital Input Output Menu 0 eee eee 49 Control boop Mens istud uetus Shee db ide bates 52 Output Meri a oz eh hh RRAIATSET SERERE e Reds 55 Alarm Merl i2 uae kr etc ace ot dde d e ns 57 Function Key Menu 0 2 0 0 cece eee II 59 Global Menil set centem edem p er ER ones 60 Communications Menu 0 0 0 cece eee eee 62 Real Time Glock Menu 2 00 s cee cece mms 63 Watlow EZ ZONE PM PID Controller e Table of Contents Table of Contents cont Chapter 7 Profiling Page 0 ccc eee 64 Prowling Men sso cso este E ERREUR RES ADR ER de 65 Chapter 8 Factory Page 0 0 eee eee 68 Gustom Merl zer rae Rt tah ee Pau dh Pea eden 69 Security Setting Menu 0 ccc cece eee eens 69 Security Setting Menu 0 cc ccc cece eee eens 71 Diagnostics Menu 0 2 III 71 Calibration Menu 2 tinna aE E 71 Chapter 9 Features 73 Saving and Restoring User SettingS 2 0 00 eee eeee 74 Programming the Home Page 0 00 cece eee eee 74 Tuning the PID Par
8. Value of Pointer 12 SSS Registers 224 amp 225 Value of Pointer 13 D Registers 226 amp 227 Value of Pointer 14 De Registers 228 amp 229 Value of Pointer 15 Registers 230 amp 231 Value of Pointer 16 Registers 232 amp 233 Value of Pointer 17 Registers 234 amp 235 b Value of Pointer 18 Registers 236 amp 237 Value of Pointer 19 Registers 238 amp 239 b Value of Pointer 20 Watlow EZ ZONE PM PID Controller Appendix Modbus Default Assembly Structure 80 119 Assembly Definition Addresses Default Pointers Registers 80 amp 81 Pointer 21 360 amp 361 Analog Input 1 Proces Value a Registers 82 amp 83 Pointer 22 362 amp 363 Analog Input 1 Error Status Registers 84 amp 85 Pointer 23 440 amp 441 Analog Input 2 Proces Value a Registers 86 amp 87 Pointer 24 442 amp 443 Analog Input 2 Error Status Registers 88 amp 89 Pointer 25 1496 amp 1497 Alarm 1 State Registers 90 amp 91 Pointer 26 1546 amp 1547 Alarm 2 State Registers 92 amp 93 Pointer 27 1596 amp 1597 Alarm 3 State Registers 94 amp 95 Pointer 28 1646 amp 1647 Alarm 4 State Registers 96 amp 97 Pointer 29 1328 amp 1329 Digital Input 5 Status Registers 98 amp 99 Pointer 30 1348 amp 1349 Digital Input
9. http www watlow com literature pti_search cfm Watlow EZ ZONE PM PID Controller e 32 Chapter 4 Home Page Chapter 5 Operations Page Navigating the Operations Page To go to the Operations Page from the Home Page press both the Up O and Down Q keys for three sec onds will appear in the upper display and will appear in the lower display e Press the Up O or Down Q key to view available menus On the following pages top level menus are identified with a yellow background color Press the Advance Key to enter the menu of choice the Up O or Down Q key to select and then press the Advance Key to enter Press the Up O or Down key to move through available menu prompts Press the Infinity Key to move backwards through the levels parameter to submenu sub menu to menu menu to Home Page Press and hold the Infinity Key for two seconds to return to the Home Page e Ifa submenu exists more than one instance press Note Some of these menus and parameters may not appear depending on the controller s options See model number information in the Appendix for more information If there is only one instance of a menu no sub menus will appear Operations Page oP Ec Analog Input Menu A in Process Value Er Error Status iL 8 Calibration Offset C Lor Linearization Menu Su A Source Value A oF St Offset o w Output Value Su Source Value A
10. EZ ZONE EZ ZONE Setup Page from Home Page Press both the Up O and Down keys for six seconds EZ ZONE EZ ZONE Profiling Page from Home Page Press the Advance Key for three seconds Watlow EZ ZONE PM PID Controller e 30 Chapter 4 Home Page Conventions Used in the Menu Pages To better understand the menu pages that follow review the naming conventions used When encoun tered throughout this document the word default implies as shipped from the factory Each page Op erations Setup Profile and Factory and their associ ated menus have identical headers defined below Header Name Visually displayed infor mation from the control Describes the function of Parameter Name the given parameter Defines options available for this prompt i e min max values numerical yes no etc further ex planation below Default Values as delivered from the factory Identifies unique param eters using either the Modbus RTU or Modbus TCP protocols further ex planation below Range Modbus Relative Ad dress Identifies unique param eters using either the De viceNet or EtherNet IP protocol further explana tion below CIP Common Indus trial Protocol Identifies unique param eters using Profibus DP protocol further explana tion below Profibus Index Identifies unique param eters used with other soft ware such as LabVIEW Unsigned 16 bit integer
11. dint long 32 bit string ASCII 8 bits per character float IEEE 754 32 bit RWES Readable Writable EEPROM saved User Set saved Parameter ID uint Data Type R W Display Visual information from the control is displayed to the observer using a fairly standard 7 segment dis play Due to the use of this technology several char acters displayed need some interpretation see the list below f I c3 I cm i Il nJ T Il I uv Ja lio Il I o rj s e Il nee I E l amp ms c to El rr I IN n I 6 T I Ol 3 3 Il 3 I B iss Il uj I lt a m em Il Il rey ti Il 5 X fu jte E c qu f yu Nix ll lt Range Within this column notice that on occasion there will be numbers found within parenthesis This number represents the enumerated value for that particular selection Range selections can be made simply by writing the enumerated value of choice using any of the available communications protocols As an ex ample turn to the Setup Page and look at the Analog Input A menu and then the Sensor Type SEn prompt To turn the sensor off simply write the value of 62 off to Modbus register 400369 and send that value to the control Modbus RTU Protocols All Modbus registers are 16 bits and as displayed in this manual are relative addresses actual Some legacy software packages lim
12. Address Instance 1 Map 1 Instance 1 Map 1 Instance 1 Map 1 Instance 1 Map 1 Instance 1 Map 1 Instance 1 Map 1 Instance 1 Map 1 Instance 1 Map 1 Instance 1 Map 1 Instance 1 Map 1 Instance 1 Map 1 Attribute hex dec 0x86 134 Map 2 1 3616 0x29 41 0x86 134 Map 2 1 3574 8 0x86 134 Map 2 1 0x86 134 Map 2 1 3576 9 0x86 134 Map 2 1 3597 0x13 19 0x86 134 Map 2 1 3578 OxA 10 0x86 134 Map 2 1 3598 0x14 20 0x86 134 Map 2 1 3581 OxB 11 0x86 134 Map 2 1 0x86 134 Map 2 1 3582 0xC 12 0x86 134 Map 2 1 Watlow EZ ZONE PM PID Controller Chapter 6 Setup Page Parameter Name Description Linearization 1 Input Point 6 Set the value that will be mapped to output 6 Linearization 1 Output Point 6 Set the value that will be mapped to input 6 Linearization 1 Input Point 7 Set the value that will be mapped to output 7 Linearization 1 Output Point 7 Set the value that will be mapped to input 7 Linearization 1 Input Point 8 Set the value that will be mapped to output 8 Linearization 1 Output Point 8 Set the value that will be mapped to input 8 Linearization 1 Input Point 9 Set the value that will be mapped to output 9 Linearization 1 Output Point 9 Set the value that will be mapped to input 9 Linearization 1 Input Point 10 Set the value that w
13. Parameter Name Display Description Control Loop 1 Cool Proportional Band Set the PID proportional band for the cool outputs Control Loop 1 Cool Hysteresis Set the control switching hysteresis for on off con trol This determines how far into the on region the process value needs to move before the output turns on Control Loop 1 Time Integral Set the PID integral for the outputs Control Loop 1 Time Derivative Set the PID derivative time for the outputs Control Loop 1 Dead Band Set the offset to the proportional band With a negative value both heating and cooling out puts are active when the process value is near the set point A positive value keeps heating and cooling outputs from fighting each other Control Loop 1 Open Loop Set Point Set a fixed level of output power when in manual open loop mode Control Loop 1 Loop Error Open Loop detect devia tion has been exceeded Control Loop 1 Clear Loop Error Current state of limit output Operations Page Modbus Rela Default tive Address Instance 1 Map 1 Map2 1892 2370 0 001 to 9 999 000 F or units 1 110 555 to 5 555 000 C 0 001 to 9 999 000 F or units 1 110 555 to 5 555 000 C Instance 1 Map 1 Map2 1902 2382 0 to 9 999 seconds per repeat Instance 1 seconds Map 1 Map2 1894 2374 0 0 Instance 1 seconds Map1 Map2 1896 2376 Instance 1 Map 1 Map2 1898 2378 Instance 1 M
14. ment and property and or injury or loss of life Note Maximum wire size termina tion and torque rating e 0 0507 to 3 30 mm 30 to 12 AWG single wire termi nation or two 1 31 mm2 16 AWG e 0 8 Nm 7 0 Ib in torque Note Adjacent terminals may be labeled differently depend ing on the model number Note To prevent damage to the controller do not connect wires to unused terminals Note Maintain electrical isolation between analog input 1 digi tal input outputs switched dc open collector outputs and process outputs to prevent ground loops Note The control output common terminal and the digital com mon terminal are referenced to different voltages and must remain isolated Input 1 Thermistor Slot A S1 Z h e gt 20 MO input impedance 3 microampere open sensor detection Input 1 PM _ J N E S1 Watlow EZ ZONE PM PID Controller 18 o Chapter 2 Install and Wire N AN Warning Use National Electric NEC or other country specific standard wiring and safety practices when wiring and connecting this controller to a power source and to elec trical sensors or peripheral devices Failure to do so may result in damage to equip ment and property and or injury or loss of life Note Maximum wire size termina tion and torque rating e 0 0507 to 3 30 mm 30 to 12 AWG single wire te
15. 1 128 000 to 5 537 000 C 1 999 000 to 9 999 000 F or units 1 128 000 to 5 537 000 C oF F Off 62 On 63 Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only Modbus Rela tive Address Instance 1 Map1 Map2 2540 4360 Instance 1 Map1 Map2 2526 4346 Instance 1 Map1 Map2 2544 4364 Instance 1 Map1 Map2 2542 4502 Instance 1 Map1 Map2 Instance 1 Map 2 Instance 1 Map1 Map2 4492 Instance 1 Map1 Map2 4490 Instance 1 Map 1 Map2 2546 4512 CIP Class Instance Attribute hex dec Ox7A 122 1 OxB 11 Ox7A 122 1 4 0x7A 122 1 OxD 13 0x7A 122 1 OxC 12 Ox7A 122 1 Ox4E 78 Ox7A 122 1 0x4D 77 0x7A 122 1 0x4C 76 0x7A 122 1 OxE 14 Pro fibus Index 205 Paqram eter ID 22011 22004 22013 uint RW uint R uint R uint RW float R uint RW uint RW Watlow EZ ZONE PM PID Controller Chapter 5 Operations Page Parameter Name Description Profile Status Active Event Output 2 View or change the event output states Profile Status Jump Count Remaining View the jump counts remaining for the current loop In a profile with nested loops this may not indicate the actual jump counts remaining Profile Status Profile State Read currentProfile state Profile Statu
16. Control Mode Active 36 Control Module Menus Factory Page Calibration Menu 71 Security Setting Menu 69 71 Operations Page Alarm Menu 39 Analog Input Menu 34 Digital Input Output Menu 36 Linearization Menu 34 Loop Menu 37 Monitor Menu 36 Process Value Menu 35 Profile Status Menu 40 Setup Page Alarm Menu 57 Analog Input Menu 45 Communications Menu 62 63 65 69 Control Loop Menu 52 Digital Input Output Menu 49 Watlow EZ ZONE PM PID Controller amp 09o Appendix Global Menu 60 Linearization Menu 46 Output Menu 55 Process Value 48 Cool Algorithm 52 80 Cool Hysteresis 38 80 Cool Output Curve 52 79 Cool Power 36 75 Cool Proportional Band 38 75 80 Custom Menu 74 D Data Map 32 63 Date of Manufacture 71 dead band 81 Dead Band 38 81 Decimal 46 default Home Page parameters 26 28 deviation alarms 82 Digital Input Function 60 Digital Input Output Menu 36 49 dimensions 9 11 1 16 DIN 8 Direction 49 Display 59 Display Pairs 44 62 displays 26 Display Time 62 Display Units 60 Down Key 26 E Electrical Gain 76 Electrical Input Offset 72 76 Electrical Input Slope 72 76 Electrical Measurement 71 76 Electrical Output Offset 72 Electrical Output Slope 72 End Set Point Value 67 Event Output 1 and 2 67 EZ Key 84 F Factory Page 68 Filter Time 46 77 filter time constant 77 Function 43 75 Function Instance 50 52 Function Key Menu 84 G Global Menu 60 Setup Page 33 43 Guaranteed Soak
17. Controller is ramping to new set Ramping feature is activated Disable ramping feature if not point required Controller is autotuning the con User started the autotune trol loop Output does not activate load No display indication or LED il lumination Cannot establish serial commu nications with the controller function Digital input is set to start autotune Output function is incorrectly set Control mode is incorrectly set Output is incorrectly wired Load power or fuse is open Control set point is incorrect ncorrect controller model for application Power to controller is off Fuse open Breaker tripped Safety interlock switch open Separate system limit control activated Wiring error ncorrect voltage to controller Address parameter incorrect ncorrect protocol selected Baud rate incorrect Parity incorrect Wiring error EIA 485 converter issue ncorrect computer or PLC communications port ncorrect software setup Termination resistor may be required Wait until autotune completes or disable autotune feature Set digital input to function other than autotune if desired Set output function correctly Set control mode appropriately Open vs Closed Loop Correct output wiring Correct fault in system Set control set point in appro priate control mode and check source of set point remote idle profile closed
18. Digital 1 0 Digital 1 0 5 Digital 1 0 6 Control Loop Control Loop 1 Output Output 1 Output 2 RTD Leads 2 z Units Process Scale Low pn Scale High poo Range Low p F Range High pss Ct F In Sensor Type set the analog sensor type to match the device wired to this input If a thermocouple is wired to this input set TC Linearization to match the thermocouple s type If an RTD is wired to this input set RTD Leads to match 2 Aum Process Error Enable lor m Alam 1 Alarm 2 Process Error Low Value fo 00 ana Filter 004005 Alam 4 0 5 Function Key Function Key 1 the number of leads on the RTD In Units set the type of units the sensor will measure Input Error Latching lor m Display Precision Global ad Miss T Global 1 Communications Communications 1 Operations Analog Input Analog Input 1 Digital 1 0 Digital 1 0 5 Digital 1 0 6 Monitor Range Not Applicable i Cancel Help In the screen shot above notice that the device part number is clearly displayed at the top of the page green highlight added for emphasis When multiple EZ ZONE devices are on the network it is important that the part number be noted prior to configur ing so as to avoid making unwanted configuration changes to another control Looking closely at the left hand column Parameter Menus notice that it displays all of the available menus and associated par
19. Input Events and Output Events Input and output events are internal states that are used exclusively by profiles The source of an event input can come from a real world digital input or an output from another function Likewise event out puts may control a physical output such as an output function block or be used as an input to another func tion Watlow EZ ZONE PM PID Controller Chapter 1 Overview Getting Started Quickly The PM control has a page and menu structure that is listed below along with a brief description of its purpose Setup Page Push and hold the up and down keys O for 6 seconds to enter See the Setup Page for further information Once received a user would want to setup their control prior to op eration As an example define the input type and set the output cycle time Operations Page Push and hold the up and down keys O for 3 seconds to enter See the Operations Page for further infor mation After setting up the control to reflect your equipment the Op erations Page would be used to monitor or change runtime settings As an example the user may want to see how much time is left in a profile step or perhaps change the autotune set point Factory Page Push and hold the In finity and the green Advance keys for 6 seconds to enter See the Factory Page for fur ther information For the most part the Factory Page has no bear
20. Select the responsiveness 1914 2394 0x12 18 of the TRU TUNE adaptive tuning calcula tions More responsive ness may increase over shoot Control Loop 1 Undc Under damped Critical Instance 1 0x97 151 t Agr Autotune Aggressive 99 Map 1 Map 2 1 ness Cr E Critical damped 1916 2396 0x13 19 Select the aggressiveness 21 of the autotuning calcula UE Over damped 69 tions Note Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only Watlow EZ ZONE PM PID Controller e 52 e Chapter 6 Setup Page Parameter Name Description Control Loop 1 Peltier Delay Set a value that will cause a delay when switching from heat mode to cool mode Control Loop 1 User Failure Action Select what the controller outputs will do when the user switches control to manual mode Control Loop 1 Input Error Failure Select what the controller outputs will do when an input error switches con trol to manual mode FAiL Control Loop 1 Manual Power Set the manual output power level that will take effect if an input error failure occurs while User Failure Action is set to Manual Fixed Control Loop 1 Open Loop Detect En able Turn on the open loop detect feature to monitor a closed loop operation for the appropriate response Control Loop 1 Open Loop Detect Time T
21. Setup Page Range Default n CIP Class Instance Attribute hex dec Ox6E 110 5to6 Modbus Rela tive Address Instance 1 Map1 Map2 1320 1560 1 Offset to next instance Map 1 amp Map 2 equals 20 Ox6E 110 1to2 3 Instance 1 Map1 Map2 1324 1564 non None 61 6 5 E P Profile Start Step 1077 P 5 E 5 Profile Start Stop level triggered 208 Pr oF Profile Start Num ber edge triggered 196 B oL Profile Hold Resume level triggered 207 Pd 5 Profile Disable level triggered 206 EJA TRU TUNE Dis able level triggered 219 _oFF Control Outputs Off level triggered 90 P185 Manual Auto Mode level triggered 54 E UnE Tune edge trig gered 98 idl E Idle Set Point En able level triggered 107 FAL Force Alarm level triggered 218 BigF Alarm Outputs amp Control Loop Off level triggered 220 l Silence Alarms edge triggered 108 AL 1 Alarm Reset edge triggered 6 PL oC Lock Keypad level triggered 217 lu S c c Restore User Set tings edge triggered 227 LP 1c Limit Reset edge triggered 82 Offset to next instance Map 1 amp Map 2 equals 20 Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only Watlow EZ ZONE PM PID Controller Chapter 6 Setup Page Setup Page CIP Mod
22. Watlow EZ ZONE PM PID Controller Chapter 6 Setup Parameter Name Description Control Loop 1 Open Loop Detect De viation Set the value that the process must deviate from the set point to trigger an open loop error Control Loop 1 Ramp Action Select when the control ler s set point will ramp to the defined end set point Control Loop 1 Ramp Scale Select the scale of the ramp rate Control Loop 1 Ramp Rate Set the rate for the set point ramp Set the time units for the rate with the Ramp Scale parameter Control Loop 1 Low Set Point Set the minimum value of the closed loop set point range Control Loop 1 High Set Point Set the maximum value of the closed loop set point range Control Loop 1 Set Point Open Limit Low Set the minimum value of the open loop set point range Control Loop 1 Set Point Open Limit High Set the maximum value of the open loop set point range Note Some values will be rounded off to fit in the four character display read with other interfaces Setup Page Default 1 999 000 to 9 999 000 F or units 1 110 555 to 5 555 000 C _ oF F Off 62 Startup 88 Set Point Change 1647 Both 13 Hours 39 Pl ian Minutes 57 Minutes 0 0 to 9 999 000 F or units 0 0 to 5 555 000 C 1 999 000 to 9 999 000 F or units 1 128 000 to 5 537 000 C 1 999 F or units 1 128 C 1 999 000 to 9 999 000 F or units 1
23. bring the temperature or process value closer to the set point Integral determines the speed of the cor rection but this may increase the overshoot at start up or when the set point is changed Too much inte gral action will make the system unstable Integral is cleared when the process value is outside of the proportional band Adjust the integral with Time Integral Operations Page Loop Menu Watlow EZ ZONE PM PID Controller 80 Chapter 9 Features Proportional plus Integral plus Derivative PID Control Use derivative rate control to minimize the over shoot in a PI controlled system Derivative rate ad justs the output based on the rate of change in the temperature or process value Too much derivative rate will make the system sluggish Derivative action is active only when the process value is within twice the proportional value from the set point Adjust the derivative with Time Derivative Operations Page Loop Menu Reduced Overshoot Set Point Proportional Band Proportional Band x 2 Temperature Heating Slows Time Dead Band In a PID application the dead bands above and below the set point can save an application s energy and wear by maintaining process temperature within ac ceptable ranges Proportional action ceases when the process value is within the dead band Integral action continues to bring the process temperature to the set point Using a positiv
24. mapped to input 1 Li Linearization 1 ip 2 Input Point 2 Set the value that will be mapped to output 2 0 Linearization 1 Output Point 2 Set the value that will be mapped to input 2 Linearization 1 Input Point 3 Set the value that will be mapped to output 3 Linearization 1 Output Point 3 Set the value that will be mapped to input 3 Linearization 1 Input Point 4 Set the value that will be mapped to output 4 Linearization 1 Output Point 4 Set the value that will be mapped to input 4 Linearization 1 Input Point 5 Set the value that will be mapped to output 5 Linearization 1 Output Point 5 Set the value that will be mapped to input 5 Note Setup Page nonE None 61 Src Source 1539 ch Relative Humidty 1538 Pr g Process 75 PL Uc Power 73 rP Relative Tempera ture 1541 RE P Absolute Tempera ture 1540 1 999 000 to 9 999 000 1 999 000 to 9 999 000 1 999 000 to 9 999 000 1 999 000 to 9 999 000 1 999 000 to 9 999 000 1 999 000 to 9 999 000 1 999 000 to 9 999 000 1 999 000 to 9 999 000 1 999 000 to 9 999 000 1 999 000 to 9 999 000 Default Source 1 0 1 0 2 0 2 0 3 0 3 0 4 0 0 Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only CIP Modbus Rela Class tive Instance
25. off based on selection Off 62 On 63 Global Menu Display Pairs Defines the number of Display Pairs Global Menu Display Time Time delay in toggling between channel 1 and channel 2 Global Menu User Settings Save Save all of this control ler s settings to the se lected set Global Menu User Restore Settings Replace all of this con troller s settings with another set User Set 1 101 User Set 2 102 None 61 Factory 31 None 61 User Set 1 101 User Set 2 102 Standard Bus 1286 P Fed Modbus RTU 1057 Communications 1 Protocol Set the protocol of this controller to the protocol that this network is using Communications 1 Address Standard Bus Set the network address of this controller Each de vice on the network must have a unique address The Zone Display on the front panel will display this number Communications 1 Address Modbus Set the network address of this controller Each de vice on the network must have a unique address 9 600 188 19 200 189 38 400 190 Communications 1 Baud Rate Modbus Set the speed of this con troller s communications to match the speed of the serial network Note Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only u Modbus Rela tive Address Instance 1 Map1 Map2 2352 Inst
26. resistive load 100 000 cycles at rated load 125 VA pilot duty at 120 240V ac 25 VA at 24V ac NO ARC relay FormA 15A 24 to 240V ac noV dc resis tive load 2 million cycles at rated load Universal process retransmit Output range selectable 0 to 10V dc into a min 1 0000 load V 0 to 20mA into max 8000 load Resolution dc ranges 2 5mV nominal m ranges 5 p nominal Calibration Accuracy dc ranges 15 mV mA ranges 30 pA Temperature Stability 100 ppm C Operator Interface Dual 4 digit 7 segment LED displays Advance infinity up and down keys plus optional programmable EZ KEY s depending on model size e Typical display update rate 1Hz RESET key substituted for infinity on all models including the limit control Width Height left 7 59 mm 0 299 101 6 mm 53 3 mm 30 9 mm in 4 00 in 2 10 in 1 22 in right 5 90 mm 0 220 in up 11 43 mm 0 450 in middle 9 53 mm 0 375 in low 7 62 mm 0 300 in up 10 80 mm 0 425 101 6 mm 53 3 mm 53 83 mm in 4 00 in 2 10 in 2 10 in low 6 98 mm 0 275 in top 11 4 mm 0 450 in 100 3 mm 53 9 mm middle 9 53 mm 2 10 in 1 22 in 0 375 in bottom 7 62 mm 0 300 in top 11 4 mm 0 450 in 101 6 mm 53 3 mm 100 3 mm middle 9 53 mm 4 00 in 2 10 in 3 95 in 0 375 in bottom 7 62 mm 0 300 in Weight 1 32 DIN PM3 1 8 DIN PM8 amp 9 Controll
27. 1 Set the maximum resis 20K 1361 432 439 0x25 37 tance of the thermistor 40K 1449 input Analog Input 1 0 0 to 60 0 seconds Instance 1 0x68 104 12 4014 Filter Map L Map 2 1 Filtering smooths out the 386 386 OxE 14 process signal to both the display and the input Increase the time to in crease filtering Analog Input 1 Off 62 Instance 1 0x68 104 4028 Error Latching On 63 Mapi Map2 1 Turn input error latching 414 414 0x1C 28 on or off If latching is on errors must be manually cleared Analog Input 1 B Whole 105 Instance 1 0x68 104 Display Precision Tenths 94 Map 1 Map2 1 Set the precision of the Hundredths 40 398 398 0x14 20 displayed value 2 808 Thousandths 96 Set how this function will 3568 linearize Source A which is Analog Input 1 Note Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only Watlow EZ ZONE PM PID Controller e 46 e Chapter 6 Setup Page Linearization 1 Off 62 Instance 1 0x86 134 Fn Function Interpolated 1482 Map1 Map 2 1 5 Parameter Name Description Dis play Linearization 1 Unit Units Set the units of Source A which is Analog Input 1 Linearization 1 ip 1 Input Point 1 Set the value that will be mapped to output 1 Linearization 1 op 1 Output Point 1 Set the value that will be
28. 128 000 to 5 537 000 C 1 999 F or units 1 128 C 100 to 100 100 to 100 Full values can be Available with PM4 PM8 and PM9 models only Modbus Rela tive Address Instance 1 Map 1 Map2 1926 2406 Instance 1 Map 1 Map2 2186 2666 Instance 1 Map 1 Map2 2188 2668 Instance 1 Map 1 Map2 2192 2672 Instance 1 Map 1 Map2 2164 2644 Instance 1 Map 1 Map2 2166 2646 Instance 1 Map 1 Map2 2168 2649 Instance 1 Map 1 Map2 2170 2650 CIP Class Instance Attribute hex dec 0x97 151 1 0x18 24 Ox6B 107 1 OxE 14 Ox6B 107 1 OxF 15 Ox6B 107 1 0x11 17 Ox6B 107 1 to2 3 Ox6B 107 1 4 Ox6B 107 1 5 Ox6B 107 1 6 Param eter ID 8041 7014 7015 7017 7004 7005 7006 Watlow EZ ZONE PM PID Controller Chapter 6 Setup Page Setup Page CIP Class Instance Attribute hex dec Modbus Rela tive Address Param eter ID Parameter Name Description Default SEE Output Menu Output Digital 1 to 2 Function Select what function will drive this output Output Digital 1 to 2 Function Instance Set the instance of the function selected above Output Digital 1 to 2 Control Set the output control type This parameter is only used with PID control but can be set anytime Output Digital 1 to 2 Time Base Set the time base for fixed time base control Output Digital 1 to 2 Low Power Sca
29. 485 Modbus RTU9 Standard Bus EIA 485 always included all models BARBA Future Options AAAA None Custom Options AA Standard EZ ZONE face plate 12 Class 1 Div 2 Not available with mechanical relay output types E H J Watlow EZ ZONE PM PID Controller e 97 Appendix T Alarm Blocking 58 83 d o Digital Input Output Menu 4B 4 Input Point 4 47 ACL F AC Line Frequency 60 82 36 49 P 2 Input Point 2 47 RdL Alarm Delay 59 d r Direction 49 P 3 Input Point 3 47 A d SP Alarm Display 59 do 5 Digital Output State 36 1P 4 Input Point 4 47 Ah Alarm High Set Point 39 83 ga y Day of Week 63 P 5 Input Point 5 47 A h Y Alarm Hysteresis 58 83 dP c 5 Display Pairs 44 62 P Input Point 6 48 A Analog Input Menu 34 45 d t Display Time 62 P 1JInput Point 7 48 ALA Alarm Latching 58 83 4S Event Input Stat
30. 537 000 C Offset to next instance Map 1 equals 50 Map 2 equals 100 oF F Off 62 Laon On 63 non None 61 Instance 1 Map1 Map2 2586 4516 Offset to next instance Map 1 equals 50 Map 2 equals 100 oF F Off 62 Instance 1 Map 1 Map2 2588 4518 on On 63 non None 61 Offset to next instance Map 1 equals 50 Map 2 equals 100 Every Day 1567 Week days 1566 Sunday 1565 Monday 1559 Tuesday 1560 Wednesday 1561 Thursday 1562 Friday 1563 Saturday 1564 Instance 1 Map 1 Map2 4580 Offset to next instance Map 2 equals 100 Instance 1 Map 1 Map2 2592 4522 Offset to next instance Map 1 equals 50 Map 2 equals 100 Some values will be rounded off to fit in the four character display Full values can be read with other interfaces CIP Class Instance Attribute hex dec 0x79 121 1 to 40 6 0x79 121 1 to 40 OxB 11 0x79 121 1to 40 9 0x79 121 1to 40 OxA 10 0x79 121 1to 40 0x29 41 0x79 121 1to 40 OxC 12 R Read W Write E EEPROM S User Set Watlow EZ ZONE PM PID Controller e Chapter 7 Profiling Page Parameter Name Description Step Type Parameters Jump Count Set the number of jumps A val ue of 0 creates an infinite loop Loops can be nested four deep Step Type Parameters End Type Select what the controller will do when this profile ends Step Type Pa
31. 6 Status Assembly Working Addresses Registers 240 amp 241 Value of Pointer 21 Registers 242 amp 243 Value of Pointer 22 Registers 244 amp 245 Value of Pointer 23 Registers 246 amp 247 Value of Pointer 24 Registers 248 amp 249 Value of Pointer 25 Registers 250 amp 251 Value of Pointer 26 Registers 252 amp 253 Value of Pointer 27 Registers 254 amp 256 Value of Pointer 28 Registers 256 amp 257 Value of Pointer 29 Registers 258 amp 259 Value of Pointer 30 Assembly Definition Registers Default Pointers Registers 100 amp 101 Pointer 31 1882 amp 1883 Control Mode Active Assembly Working Registers Registers 260 amp 261 Value of Pointer 31 Registers 102 amp 103 Pointer 32 1904 amp 1905 Heat Power Registers 262 amp 263 Value of Pointer 32 Registers 104 amp 105 Pointer 33 1906 amp 1907 Cool Power Registers 264 amp 265 Value of Pointer 33 Registers 106 amp 107 Pointer 34 690 amp 691 Limit State Registers 266 amp 267 Value of Pointer 34 Registers 108 amp 109 Pointer 35 2520 amp 2521 Profile Start Re
32. 9003 float Hysteresis units Map 1 Map2 1to4 RWES Set the hysteresis for an 0 001 to 5 555 000 C 1484 1884 3 alarm This determines how far into the safe 9005 uint RWES 9004 uint RWES 9007 uint RWES for Map 2 equals 60 Alarm 1 to 4 Off 62 Off Instance 1 0x6D 109 28 9008 uint Blocking Startup 88 Map1 Map2 lto4 RWES Select when an alarm will Set Point 85 1494 1894 8 be blocked After startup Both 13 and or after the set point o Offset to next changes the alarm will be M blocked until the process instance Map 1 equals 50 value enters the normal range for Map 2 equals 60 region the process value Note Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only Offset to next instance Map 1 equals 50 for Map 2 equals 60 Alarm 1 to 4 RL C Close On Alarm Close On Instance 1 0x6D 109 Logic 17 Alarm Map1 Map2 1to4 Select what the output Open On Alarm 1488 1888 5 condition will be during 66 the alarm state Offset to next instance Map 1 equals 50 needs to move before the alarm can be cleared for Map 2 equals 60 Alarm 1 to 4 Both 13 Both Instance 1 0x6D 109 26 Sides High 37 Map 1 Map2 1to4 Select which side or sides Low 53 1486 1886 4 will trigger this alarm Offset to next instance Map 1 equals 50 for Map 2 equals 60 Alarm 1 to 4 Non Latching
33. Controller Chapter 2 Install and Wire N AN Warning Use National Electric NEC or other country specific standard wiring and safety practices when wiring and connecting this controller to a power source and to elec trical sensors or peripheral devices Failure to do so may result in damage to equip ment and property and or injury or loss of life Note Maximum wire size termina tion and torque rating e 0 0507 to 3 30 mm 30 to 12 AWG single wire termi nation or two 1 31 mm2 16 AWG e 0 8 Nm 7 0 Ib in torque Note Adjacent terminals may be labeled differently depend ing on the model number Note To prevent damage to the controller do not connect wires to unused terminals Note Maintain electrical isolation between analog input 1 digi tal input outputs switched dc open collector outputs and process outputs to prevent ground loops Note The control output common terminal and the digital com mon terminal are referenced to different voltages and must remain isolated Note Avoid continuous writes within loops Excessive writes to EEPROM will cause premature EEPROM failure The EEPROM is rated for 1 000 000 writes Quencharc Wiring Example In this example the Quencharc circuit Watlow i part 0804 0147 0000 is used to protect PM internal circuitry from the counter electro magnetic force from the inductive user load when de engergized It is recommended t
34. Devia tion 44 Guaranteed Soak Deviation 61 Guaranteed Soak Enable 44 61 H Heat Algorithm 52 80 Heat Hysteresis 37 80 Heat Power 36 75 Heat Proportional Band 37 75 80 High Power Scale 50 56 high range 77 high scale 77 High Set Point Alarm 39 40 83 Loop 54 77 Home Page 28 74 Hours 65 Hysteresis 58 83 Idle Set Point 37 Input Error Failure 53 79 Input Error Latching 46 79 Input Error Status 34 input events 4 input features 76 78 calibration 76 Input Point 1 43 Input Point 2 43 Input Point 3 43 Input Point 4 43 Input Point 5 43 Input Point 6 43 Input Point 7 43 Input Point 8 43 Input Point 9 43 Input Point 10 43 inputs 4 Input Sensor Type 75 installation 12 Instance 60 IP Fixed Address Part 4 61 62 J Jump Count 67 Jump Count Remaining 42 Jump Step 66 K keys and displays 1 16 DIN 26 L Latching 58 83 Level 59 Linearization 32 45 Linearization Menu 34 46 Locked Access Level 68 70 Lock Operations Page 84 Lockout Menu 84 Lock Profiling Page 84 Logic 58 Loop Menu 37 Low Power Scale 50 55 low range 77 low scale 77 Low Set Point Alarm 39 83 Loop 54 77 M Manual Control Indicator Light 79 manual open loop control 79 manual tuning 75 Message Action 27 message display 27 Minutes 65 66 Modbus Default Assembly Structure 80 119 94 Modbus Programmable Memory Blocks 93 Modbus Word Order 63 Monitor Menu 36 N navigating Factory Page
35. Factory Page from the Home Page Press the Up O or Down Q key to move through press and hold both the Advance 9 and Infinity available menu prompts keys for six seconds Press the Infinity Key amp to move backwards Press the Advance Key to enter the menu of through the levels parameter to submenu sub choice menu to menu menu to Home Page Ifa submenu exists more than one instance Press and hold the Infinity Key for two seconds press the Up O or Down Q key to select and then to return to the Home Page press the Advance Key to enter Note Some of these menus and parameters may not appear depending on the controller s options See model number infor mation in the Appendix for more information If there is only one instance of a menu no sub menus will appear EL o Electrical Input Offset Custom Setup Menu Electrical Input Slope to Electrical Output Offset Custom Setup EL 5 Electrical Output Slope Parameter 1 id Instance ID Security Setting Menu Security Setting LoCo Operations Page LoCP Profiling Page Password Enable Read Lock Write Security Locked Access Level Rolling Password User Password Administrator Password o 70 Ww em 3 r o r o P4 m o e r 3 o F r 7o o 30 30 En Mn DC m cz r3r rro wm Un c c urity Setting Menu Public Key Password r3 o Q m o 7o Wn
36. Htr 2 E i 10 Gain i O D6 i Blas s i Q 14 Internal Circuitry BS lh DC80 60C0 0000 O eee eee x 18 LS Watlow EZ ZONE PM PID Controller e 19 o Chapter 2 Install and Wire N A Warning Use National Electric NEC or other country specific standard wiring and safety practices when wiring and connecting this controller to a power source and to elec trical sensors or peripheral devices Failure to do so may result in damage to equip ment and property and or injury or loss of life Note Maximum wire size termina tion and torque rating e 0 0507 to 3 30 mm 30 to 12 AWG single wire termi nation or two 1 31 mm2 16 AWG e 0 8 Nm 7 0 Ib in torque Note Adjacent terminals may be labeled differently depend ing on the model number Note To prevent damage to the controller do not connect wires to unused terminals Note Maintain electrical isolation between analog input 1 digi tal input outputs switched dc open collector outputs and process outputs to prevent ground loops Note The control output common terminal and the digital com mon terminal are referenced to different voltages and must remain isolated Quencharc Note Switching pilot duty inductive loads relay coils solenoids etc with the mechanical Output 1 Switched DC Open Collector Switched DC common dc open collector W1 dc Slot A X1
37. JEO Wait Event 2 66 Con Zone 61 Absolute Temperature 47 AC Line Frequency 60 82 A Conceptual View of the PM 4 Active Event Output 1 or 2 41 42 Active Step 41 Active Step Type 41 adaptive tuning 75 Address Modbus 62 Address Standard Bus 62 63 Administrator Password 68 70 agency approvals 3 alarm blocking 83 Alarm Menu 39 57 alarms 82 Blocking 58 83 deviation 82 Display 59 Hysteresis 58 83 Latching 58 83 Logic 58 process 82 set points 82 Sides 58 Silencing 59 83 Source 57 Type 57 Alarm Type 82 Altitude Units 43 Analog Input Menu 34 45 Assembly Definition Addresses 93 Assembly Definition Addresses 86 Assembly Definition Addresses and Assembly Working Addresses 93 Assembly Working Addresses 86 93 Attention Codes 28 auto closed loop control 79 Autotune 74 Autotune Aggressiveness 52 53 Autotune Request 37 Autotune Set Point 37 74 autotuning 74 75 autotuning with TRU TUNE 75 B Baud Rate 62 Blocking 58 83 bumpless transfer 79 C calibrating an analog input 76 Calibration Menu 71 Calibration Offset 34 57 76 77 changing the set point 28 Channel 62 chattering output 80 chemical compatibility 13 CIP Common Industrial Protocol 31 Closed Loop Set Point 37 Closed Loop Working Set Point 36 Communications Menu 62 63 65 69 Setup Page 33 43 Control 50 55 Control Loop Menu 52 control methods 79 Control Mode 37 79
38. Name Description Alarm 1 to 4 Alarm Clear Request Write to this register to clear an alarm Alarm 1 to 4 Alarm Silence Request Write to this register to silence an alarm Alarm 1 to 4 Alarm Silenced Write to this register to silence an alarm Alarm 1 to 4 Alarm Latched Write to this register to silence an alarm Profile Status Profile Start Select step to act upon Operations Page un Clear 1003 Silence 1010 Yes 106 No 59 Yes 106 No 59 Modbus Rela tive Address Instance 1 Map 1 Map2 1504 1904 Offset to next instance Map1 1 equals 50 Map 2 equals 60 Instance 1 Map 2 1906 Map 1 1506 Offset to next instance Map1 1 equals 50 Map 2 equals 60 Instance 1 Map 2 1900 Map 1 1500 Offset to next instance Map1 1 equals 50 Map 2 equals 60 Instance 1 Map 2 1898 Map 1 1498 Offset to next instance Map1 1 equals 50 Map 2 equals 60 Available with PM8 9 only CIP Class Instance 109 1to4 0x0A 10 Some parameters in the Profile Status Menu can be changed for the currently running profile but should only be changed by knowledge able personnel and with caution Changing parameters via the Pro file Status Menu will not change the stored profile but will have an immediate impact on the profile that is running Changes made to profile parameters in the Profiling Pages will be saved and will also have an immediate impa
39. PID Controller e 74 Chapter 9 Features Manual Tuning In some applications the autotune process may not provide PID parameters for the process characteris tics you desire If that is the case you may want to tune the controller manually 1 Apply power to the controller and establish a set point typically used in your process 2 Goto the Operations Page Loop Menu and set Heat Proportional Band and or Cool Pro portional Band to 5 Set Time Integral to 0 Set Time Derivative to 0 3 When the system stabilizes watch the process value If it fluctuates increase the Heat Propor tional Band or Cool Proportional Band value in 3 to 5 increments until it stabilizes allowing time for the system to settle between adjustments 4 When the process has stabilized watch Heat Power or Cool Power Operations Page Monitor Menu It should be stable 2 At this point the process temperature should also be stable but it will have stabilized before reach ing the set point The difference between the set point and actual process value can be eliminated with Integral 5 Start with an Integral value of 6 000 and allow 10 minutes for the process temperature to reach the set point If it has not reduce the setting by half and wait another 10 minutes Continue re ducing the setting by half every 10 minutes until the process value equals the set point If the pro cess becomes unstable the Integral value is too small Increase the v
40. PR S R Administrator Password which is need ed to acquire administrative access to the control The Administrator can either change the User and or the Administrator password or leave them in the default state Once Password Security is enabled they will no longer be visible to anyone other than the Administrator As can be seen in the formula that follows either the User or Administrator will need to know what those passwords are to acquire a higher level of access to the control Back out of this menu by pushing the Infinity key Once out of the menu the Password Security will be enabled How to Acquire Access to the Control To acquire access to any inaccessible Pages or Menus go to the Factory Page and enter the UL o C menu Once there follow the steps below Note If Password Security Password Enabled PA 5 is On is enabled the two prompts mentioned below in the first step will not be visible If unknown call the individual or company that originally set up the control 1 Acquire either the User Password P A 5 u or the Administrator Password P f 5 8 2 Push the Advance key one time where the Code Cod E prompt will be visible Note a If the the Rolling Password is off push the Ad vance key one more time where the Password PASS prompt will be displayed Proceed to either step 7a or 8a Pushing the Up O or Down Q arrow keys enter either the User or Adminis trator Password Once entered push
41. Scale Range Low Scale Low Retransmit Source Scale High Set the range of the process output with Scale Low and Scale High 5 Scale the re transmit source to the process output with Range Low and Range High r h l When the retransmit source is at the Range Low value the retransmit output will be at its Scale Low value When the retransmit source is at the Range High value the retransmit output will be at its Scale High value Cool Output Curve A nonlinear output curve may improve performance when the response of the output device is nonlinear If a cool output uses one of the nonlinear curves a PID calculation yields a lower actual output level than a linear output would provide These output curves are used in plastics extruder applications curve 1 for oil cooled extruders and curve 2 for water cooled extruders Watlow EZ ZONE PM PID Controller e 78 o Chapter 9 Features Actual Output Power PID Calculation Select a nonlinear cool output curve with Cool Output Curve Setup Menu Loop Menu Control Methods Output Configuration Each controller output can be configured as a heat output a cool output an alarm output or deactivat ed No dependency limitations have been placed on the available combinations The outputs can be con figured in any combination For instance all three could be set to cool Heat and cool outputs use the set point and Oper a
42. a previously saved configuration as well as the ability to create a configuration off line to download later The screen shots that follow will take the user on line After clicking the next button above it is necessary to define the communications port on the PC to use Watlow EZ ZONE PM PID Controller Select a Communications Port If you don t know which communications port on your computer is connected to the EZ ZONE device EZ ZONE CONFIGURATOR can search for you With which Communications Port do you want to communicate Arvanced ECHN Y e The available options allow the user to select Try them all or to use a specific known communications port After installation of your converter if you are not sure which communications port was allocated select Try them all and then click next The screen to follow shows that the software is scanning for devices on the network and that progress is being made ES t Watlow EZ ZONE CONFIGURA f oom Scan Network for EZ ZONE device When the EZ ZONE device that you want to configure appears in the list select it and click Next Available EZ ZONE Devices When complete the software will display all of the available devices found on the network as shown be low Scan Network for EZ ZONE device When the EZ ZONE device that you want to configure appears in the list select it and click Next Available EZ ZONE Devices Device N
43. and hold the Infinity key for two seconds to return to the Home Page b If the Rolling Password mc o L L was turned on proceed on through steps 3 9 3 Assuming the Public Key Cod EJ prompt is still visible on the face of the control simply push the Advance key to proceed to the Password P 855 prompt If not find your way back to the Factory Page as described above Watlow EZ ZONE PM PID Controller e 85 e Chapter 9 Features 4 Execute the calculation defined below 7b or 8b for either the User or Administrator 5 Enter the result of the calculation in the upper dis play by using the Up O or Down arrow keys or use EZ ZONE Confgurator Software 6 Exit the Factory Page by pushing and holding the Infinity key for two seconds Formulas used by the User and the Administrator to calculate the Password follows Passwords equal 7 User a If Rolling Password r oL L is Off Password P amp 8S5 equals User Password P45 u b If Rolling Password r o L is On Password PASS equals PA5S u x code Mod 929 70 8 Administrator a If Rolling Password r oL L is Off Password PASS equals User Password P A 5 8 b If Rolling Password r oL L is On Password PASS equals P A S A x code Mod 997 1000 Differences Between a User Without Password User With Password and Administrator User without a password is restricted by the Locked Access Level L o C L A User w
44. by dialing 1 507 494 5656 between 7 a m and 5 p m Central Standard Time CST Ask for for an Applications Engineer Please have the following information available when calling Complete model number e All configuration information User s Manual Factory Page Return Material Authorization RMA TL Call Watlow Customer Service 507 454 5300 for a Return Material Authorization RMA number before returning any item for repair If you do not know why the product failed contact an Application Engineer or Product Manager All RM A s require e Ship to address Bill to address Contact name Phone number e Method of return shipment Your P O number Detailed description of the problem Any special instructions Name and phone number of person returning the product Prior approval and an RMA number from the Customer Service Department is required when returning any product for credit repair or evalua tion Make sure the RMA number is on the outside of the carton and on all paperwork returned Ship on a Freight Prepaid basis After we receive your return we will examine it and try to verify the reason for returning it In cases of manufacturing defect we will enter a repair order replacement order or issue credit for material returned In cases of customer mis use we will provide repair costs and request a purchase order to proceed with the repair work To return products that are no
45. chlori nated hydrocarbons esters and keytones Warning All electrical power to the controller and controlled circuits must be disconnected before removing the controller from the front panel or disconnecting other wiring Failure to follow these instructions may cause an electrical shock and or sparks that could cause an explosion in class 1 div 2 hazardous locations Watlow EZ ZONE PM PID Controller 13 Chapter 2 Install and Wire Wiring Terminal Definitions for Slots A Slot A Output Terminal Function Configuration 1 2 X1 common Any switched dc output can use this common Switched dc open collector W1 dc open collector output 1 PM C AAAA Y1 de W2 de Switched de Y2 de output 2 PM C AAAA F1 voltage or current Universal Process G1 voltage output 1 PM F AAAA H1 current 4 L1 normally open Mechanical Relay 5 A Form C K1 common output 1 PM E AAAA J1 normally closed L2 normally open NO ARC 15 A Form A K2 common output 2 PM 4 6 8 9 H AAAA __ L2 normally open Mechanical Relay 5 A Form A K2 common output 2 PM J AAAA L1 L2 normally open Solid state Relay 0 5 A Form A K1 K2 common output 1 PM K AAAA output 2 PM K AAAA Inputs 1 Ti 82 RTD or current Universal Thermistor Input S1 83 RTD thermocouple current volts or potentiom input 1 all configurations eter wiper
46. controller switching is done only at the zero cross of the ac line which helps reduce elec trical noise RFI Variable time base should be used with solid state power controllers such as a solid state relay SSR or silicon controlled rectifier SCR power controller Do not use a variable time base output for control ling electromechanical relays mercury displacement relays inductive loads or heaters with unusual resis tance characteristics The combination of variable time base output and a solid state relay can inexpensively approach the ef Watlow EZ ZONE PM PID Controller e Bi Chapter 9 Features fect of analog phase angle fired control Select the AC Line Frequency Setup Page Global Menu 50 or 60 Hz 100 percent output 10 ON 0 OFF 50 percent output 3 ON 3 OFF 66 percent output 6 ON 3 OFF Note When output 1 is a universal process output out put 2 cannot use variable time base fixed time base only Single Set Point Ramping Ramping protects materials and systems that can not tolerate rapid temperature changes The value of the ramp rate is the maximum degrees per minute or hour that the system temperature can change Select Ramp Action Setup Page Loop Menu of F ramping not active C Str ramp at startup ramp at a set point change bot hj ramp at startup or when the set point changes Select whether the rate is in degrees per minute or degrees per hour with
47. displayed Security Setting User Password Used to acquire access to menus made available through the Locked Access Level setting Security Setting Administrator Password Used to acquire full access to all menus Note Factory Page a Dp Off oF F Off on On Modbus Relative Ad dress oF F Off on On 10 to 999 10 to 999 Some values will be rounded off to fit in the four character display Full values can be read with other interfaces If there is only one instance of a menu no submenus will appear CIP Class Instance Attribute hex dec Param eter ID 3008 3009 3010 3011 3016 3019 3017 3018 uint Watlow EZ ZONE PM PID Controller Chapter 8 Factory Page Factory Page Parameter Name Description Default Security Setting Menu Cod CodE Security Setting Public Key If Rolling Password turned on generates a random number when power is cycled If Rolling Password is off fixed number will be displayed Customer Specific 1999 to 9999 lH T 0 to 2 147 483 647 PASS PASS Security Setting Password Number returned from calculation found in Fea tures section under Pass word Security erase Diagnostics Menu Diagnostics Part Number Display this controller s part number Diagnostics Software Revision Display this controller s firmware revision number Diagnostics Software Build Number Display
48. four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only CIP Class Instance Attribute hex dec 0x68 104 1 1 0x68 104 1 2 0x68 104 Modbus Rela tive Address Paqram eter ID 4001 float R 1 4002 uint R 2 4012 float RWES Instance 1 Map 1 Map2 360 360 Instance 2 Map 1 Map2 440 450 Instance 1 Map 1 Map2 362 362 Instance 2 Map 1 Map2 442 452 Instance 1 Map 1 Map2 1 382 382 0xC 12 Instance 2 0x86 134 1 4 Map 1 Map 2 462 472 0x86 134 1 6 0x86 134 1 7 Instance 1 Map 1 Map2 3566 Instance 1 Map 1 Map2 3570 Instance 1 Map 1 Map2 3572 Watlow EZ ZONE PM PID Controller Chapter 5 Operations Page Parameter Name Description Display No Dis play Linearization 1 Output Error View reported cause for Linearization output mal function L Py oPEc Process Value Menu Process Value 1 Source Value A View the value of Source A Linearization 1 is connect ed to Source A of Process Value 1 Process Value 1 Offset Set an offset to be applied to this function s output Process Value 1 Output Value View the value of this func tion block s output Process Value 1 Output Error View reported cause for Process output malfunc tion Note Operations Page Range Default None 61 Open 65 Shorted 127 Measurement error 140 B
49. incor Verify and correct wiring rectly Replace heater Short in heater Replace or repair power con Power controller connection to troller controller defective Controller output defective Replace or repair controller Controller displays internal mal Controller defective Replace or repair controller function message at power up Unable to access SEE OP Security set to incorrect level Check lockout setting in Fac Ec lFCESlor Prc of menus e Digital input set to lockout tory Page or particular prompts in Home keypad Change state of digital input Page e Custom parameters incorrect Change custom parameters in Factory Page EZ Key does not activate re EZ Key function incorrect Verify EZ Key function in Setup quired function EZ Key function instance not Menu incorrect Check that the function in Keypad malfunction stance is correct Replace or repair controller Watlow EZ ZONE9 PM PID Controller e 92 Appendix Modbus Programmable Memory Blocks 200 amp 201 202 amp 203 204 amp 205 206 amp 207 208 amp 209 210 amp 211 212 amp 213 214 amp 215 216 amp 217 218 amp 219 220 amp 221 222 amp 223 224 amp 225 226 amp 227 228 amp 229 230 amp 231 232 amp 233 234 amp 235 236 amp 237 238 amp 239 Assembly Definition Addresses Defau
50. ing on the model number Note To prevent damage to the controller do not connect wires to unused terminals Note Maintain electrical isolation between analog input 1 digi tal input outputs switched dc open collector outputs and process outputs to prevent ground loops Note The control output common terminal and the digital com mon terminal are referenced to different voltages and must remain isolated Connecting a Computer to PM Controls Using B amp B 485 to USB Converter Use twisted pair wires such as Cat 5 cabling Do not route with power ci arrying conductors Daisy chain wire up to 16 EZ ZONE devices Watlow EZ ZONE PM PID Controller s 95 Chapter 2 Install and Wire Chapter 3 Keys and Displays Upper Left 32nd DIN Display In the Home Page displays the process value otherwise displays the value of the parameter in the lower display 1 32 DIN PM3 WATLOW _ EZ ZONE 12 Zone Display Indicates the controller zone 1 to 9 zones 1 to 9 A zone 10 E zone 14 b zone 11 F zone 15 C zone 12 h zone 16 d zone 13 Percent Units Lights when the controller is dis WATLOW _EZ ZONE playing values as a percentage or i when the open loop set point is displayed Channel Display duum uim Indicates the channel for any given EZ ZONE module Available with the PM4 8 and PMO only Infinity Key Press to back up one
51. level or press and hold for two seconds to return to the Home Page From the Home Page can clear alarms and errors if clearable Advance Key Advances through parameter prompts Lower Right 32nd DIN Dis play Indicates the set point or output power value during operation or the parameter whose value ap pears in the upper display Profile Activity ights when a profile is running Flashes when a profile is paused EZ Key s This key can be programmed to do various tasks such as locking the keyboard restoring user settings etc Output Activity Number LEDs indicate activity of outputs A flashing light indicates output activity Communications Activity Flashes when another device is ommunicating with this control ler Temperature Units Indicates whether the tempera ture is displayed in Fahrenheit or Celsius Up and Down Keys O O In the Home Page adjusts the set point in the lower display In other pages changes the upper dis play to a higher or lower value or changes a parameter selection Watlow EZ ZONE PM PID Controller e 26 Chapter 3 Keys and Displays Responding to a Displayed Message An active message will cause the display to toggle be tween the normal settings and the active message in the upper display and in the lower display Your response will depend on the message and the controller settings Some messages such as Ramping and Tuning indicate that
52. nates wae ees TI DUDIK sks acc wena aeane pe diese Cetera dia ewades 77 NOPARG Relay 23 teret etes tcu Eden PR e Din 78 Retransmitting a Process Value or Set Point 78 rero Ra TT ya CUVE e E CET 78 Control Methods 0 cee IIR 79 Output Configuration s caes 0 cece eee ees 79 Auto closed loop and Manual open loop Control 79 angor CE 80 Proportional Control risie 0 cece ee eens 80 Proportional plus Integral PI Control 80 Proportional plus Integral plus Derivative PID Control 81 Dead Band eC HEP 81 Variable Time Base 81 Single Set Point Ramping 0 0 cece eee eee eee 82 ALI MEER DEEP 82 Process and Deviation Alarms lliiiseeiss sess 82 Alarm Set Points 2 0 00 00 ccc cece cece cence e 82 Alarm Hysteresis 0 0 00 cece ccc tenets 83 Alarim Latcning 3 204 0 eae rhe ET ER toe ee deba cee 83 Alarm Silencing 0 0c c cece eee III 83 Alarm BIOCKING s 4e rr Ree at kaa daraad de 83 Open Loop Detection 0 0 cece eee 83 Programming the EZ Key s llle 84 Using Lockout to Hide Pages and Menus se 84 Using Password Security 0 cece eee eee eee 85 Modbus Using Programmable Memory Blocks 86 Software Configuration llle 87 Watlow EZ ZONE PM PID Controller e 73 Chapter 9 Features Saving and Restoring User Settin
53. oF St Offset o w Output Value Digital Input Output Menu L 5 to __ 6 d o Digital Input Output do S Output State E 1S Event State d 5 Input State Pen oPE Monitor Menu CNA Control Mode Active 4P Heat Power Pr Cool Power Closed Loop Working Set Point Process Value Active m 3 m eua ane D E m olm o o o PE Loop Menu En Remote Enable P Control Mode 2 r3 3 B E SP Autotune Set Point Autotune Request Closed Loop Set Point Idle Set Point Heat Proportional Band Heat Hysteresis Cool Proportional Band Cool Hysteresis Time Integral Time Derivative db Dead Band Open Loop Set Point dD Cz m X D o T ke m D io M c Le rr nr a E a r E ERE Alarm 2n C 4 to ALP Alarm P AL o Low Set Point Ah High Set Point PSEA oPE Profile Status Menu C_I to Profile Status PSE Profile Start AC Action Request Active Step S E YP Active Step Type P I Target Set Point Loop 1 RC S P Produced Set Point 1 hour Hours Remaining 1 n Minutes Remaining SEC Seconds Remaining nt l Active Event Output 1 nt e Active Event Output 2 JC Jump Count Remaining o E ae 73 3 m m fu Available with PM4 PM8 and PM9
54. of 2488 2968 5 the two 16 bit words in the floating point values y 9 Communications 1 o2 If 9th dig Data Map it of part If set to 1 the control will number use PM legacy mapping is a 1 2 If set to 2 the control will 3 or D use new mapping to ac commodate new functions Communications 1 L YES Yes 106 Instance 1 0x96 150 198 Non volatile Save C no No 59 Map1 Map2 1 If set to Yes all values 2494 2974 8 written to the control will be saved in EEPROM 3 Real Time Clock Instance 1 88 136 Minutes Map1 Map2 4006 4 Real Time Clock Sun Sunday 1565 Instance 1 88 136 Day of Week P Von Monday 1559 Map1 Map2 C E u Tuesday 1560 4002 2 L UE d Wednesday 1561 Thursday 1562 Fr Friday 1563 Saturday 1564 Note Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only Watlow EZ ZONE PM PID Controller e 63 e Chapter 6 Setup Page Real Time Clock Instance 1 88 136 Hours Map1 Map 2 1 4004 1 1 Chapter 7 Profiling Page Navigating the Profiling Page Note Some of these menus and parameters may not appear depending on the controller s options See model number information in the Appendix for more information If there is only one instance of a menu no sub menus will appear The Profiling Page allows you to enter your ramp and soak profile inform
55. relay form A gt AT Board solid state 0 5 A relay process V mA avari Slot A ONES Output 2 nore switched dc NO ARC Nee optional power control 15 A form A mechanical i eat on p 5 A or Solid State Relay 0 5 A SR even Supervisory amp Digital Output or Input 5 amp 6 Power optional none switched dc Board Slot C off heat cool alarm event Output Status OB A 2 Indicates Zone Address 3 4 Indicates I O 5 6 Status Watlow EZ ZONE PM PID Controller Chapter 1 Overview Chapter 2 Install and Wire Dimensions 1 32 DIN x 15 9 mm 0 63 in 53 3 mm 101 6 mm 2 10 in n 4 00 in 7 E S fee ces sie i Z C 5 5 c C D gt era r 812mm 30 9 mm i SLL C gt C gt C gt E i i a 5 di v 3 1 23 in 1 22 in J q Side ari mu H C 2 Ae H ulli 2 m m E C _ tL Top 45 2 mm 1 78 in Recommended panel spacing Y panel thickness 1 53 to 9 52 mm 22 4 mm 0 060 to 0 375 0 88 in i 21 6 mm 0 85 in rem 21 6 mm 0 85 in Watlow EZ ZONE PM PID Controller e e Chapter 2 Install and W
56. show below to indicate compliance 2004 108 EC Electromagnetic Compatibility Directive EN 61326 1 2006 Electrical equipment for measurement control and laboratory use EMC requirements Industrial Immunity Class B Emissions EN 61000 4 2 1996 A1 A2 Electrostatic Discharge Immunity EN 61000 4 3 2006 Radiated Field Immunity 10V M 80 1000 MHz 3 V M 1 4 2 7 GHz EN 61000 4 4 2004 Electrical Fast Transient Burst Immunity EN 61000 4 5 2006 Surge Immunity EN 61000 4 6 1996 A1 A2 A3 Conducted Immunity EN 61000 4 11 2004 Voltage Dips Short Interruptions and Voltage Variations Immunity EN 61000 3 2 2006 Harmonic Current Emissions EN 61000 3 3 2005 Voltage Fluctuations and Flicker SEMI F47 2000 Specification for Semiconductor Sag Immunity Figure R1 1 For mechanical relay loads cycle time may need to be extended up to 160 seconds to meet flicker requirements depending on load switched and source impedance 2006 95 EC Low Voltage Directive EN 61010 1 2001 Safety Requirements of electrical equipment for measurement control and laboratory use Part 1 General requirements Compliant with 2002 95 EC RoHS Directive Per 2002 96 EC W E E E Directive A Please Recycle Properly Raymond D Feller III Winona Minnesota USA Name of Authorized Representative Place of Issue General Manager June 2009 Title of Authorized Representative Date of Issue CE DOC EZ ZONE PM 06 09 Watlow EZ ZONE PM PID Controller e 102 e App
57. the device If you save these settings in a file on this computer you can load the file in to a device or edit the file again later Choose one of these options C Save the configuration in a file and start over C Exit and do not save the changes in a file gt and click Finich Gees dee xe i Although the PM control now contains the configu ration because the previous discussion focused on doing the configuration on line it is suggested that after the configuration process is completed that the user save this file on the PC for future use If for some reason someone inadvertently changed a set ting without understanding the impact it would be easy and perhaps faster to download a saved configu ration back to the control versus trying to figure out what was changed Of course there is an option to exit without saving a copy to the local hard drive After selecting Save above click the Finish button once again The screen below will than appear Authorname Mangin Frank Save Date 1 Feb 2010 Comment Enter a comment here that will help you recognize when this configuration file should be used Device Description Device Type Controller Model Number PM6B2EH 1AAAAAA i 00 Version Analog Inputs 1 Inputs and Outputs 4 pes 1 Limits 1 Profiles 0 My Network Save as type EZ ZONE Configuration Files wcf X Cancel When saving the configuration note th
58. the firmware build number Diagnostics Serial Number Display the serial number 0 to 2 147 483 647 Diagnostics Date of Manufacture Display the date code 0 to 2 147 483 647 Calibration 1 to 2 Electrical Measurement Read the raw electrical value for this input in the units corresponding to the Sensor Type Setup Page Analog Input Menu setting 3 4e38 to 3 4e38 Note Some values will be rounded off to fit in the four character display Full values can be read with other interfaces If there is only one instance of a menu no submenus will appear Modbus Relative Ad dress Instance 1 Map1 Map2 Instance 1 Map1 Map 2 14 14 Instance 1 Map1 Map 2 400 400 Instance 2 Map1 Map2 480 490 CIP Class Instance Attribute hex dec Param eter ID a string RWE E E E E 0x68 104 1to2 0x15 21 Watlow EZ ZONE PM PID Controller Chapter 8 Factory Page Factory Page CIP Parameter Name Modbus Class i Param econ Default Relative Ad Instance eter ID dress Attribute hex dec Calibration 1 to 2 1 999 000 to 9 999 000 Instance 1 4010 Electrical Input Offset Map 1 Map 2 Change this value to cali 378 378 brate the low end of the Instance i t i input range Meat Map2 458 468 EL 5 Calibration 1 to 2 1 999 000 to 9 999 000 1 0 Instance 1 0x68 4011 ELi S Electrical Input Slope Map1 Map 2 104 Adjust this value to cali 380 380 1to2 brate the s
59. 1 Control Mode Active View the current control mode Monitor 1 Heat Power View the current heat out put level Monitor 1 Cool Power View the current cool out put level Monitor 1 Closed Loop Working Set Point View the set point cur rently in effect Monitor 1 Process Value Active View the current filtered process value using the control input Monitor 1 Set Point Active Read the current active set point Note Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Operations Page oF F Off 62 on On 63 Ac E Inactive 41 Bic E Active 5 ic E Inactive 41 Active 5 oF F Off 62 AUE o Auto 10 MAn Manual 54 0 0 to 100 0 d 100 0 to 0 096 1 999 000 to 9 999 000 F or units 1 128 000 to 5 537 000 C 1 999 000 to 9 999 000 F or units 1 128 000 to 5 537 000 C 1 999 000 to 9 999 000 F or units 1 128 000 to 5 537 000 C Available with PM4 PM8 and PM9 models only Modbus Rela tive Address Instance 1 Map 1 Map2 1012 1132 Offset to next instance equals 30 Instance 1 Map 1 Map2 1328 1568 Offset to next instance equals 20 Instance 1 Map 1 Map2 1368 1608 Instance 2 Map 2 Instance 1 Map 1 Map2 1882 2362 Instance 1 Map 1 Map2 1904 2384 Instance 1 Map 1 Map2 1906 2386 Instance 1 Map 1 Map2 2172 2652 Instance 1 Map 1 Map2 402 402 Inst
60. 1 of span 1 C the calibrated ambient temperature and rated line voltage Types R S B 0 2 Type T below 50 C 0 2 Calibration ambient temperature 77 5 F 25 3 C Accuracy span 1000 F 540 C min Temperature stability 0 1 F F 0 1 C C rise in ambient maximum Agency Approvals UL Listed to UL 61010 1 File E185611 UL9 Reviewed to CSA C22 2 No 61010 1 04 ULO 50 Type 4X NEMA 4X indoor locations IP66 front panel seal indoor use only FM Class 3545 File 3029084 temperature limit switches CE See Declaration of Conformity RoHS and W E E E compliaint eThis equipment is suitable for use in Class 1 Div 2 Groups A B C and D or non hazardous locations only Temperature Code T4A e UL Listed to ANSI ISA 12 12 01 2007 File E184390 PM3 6 CSA C22 No 24 File 158031 Class 4813 02 both 1 32 and 1 16 DIN CSA approved e UL reviewed to Standard No CSA C22 2 No 213 M1987 Cana dain Hazardous locations Controller e User selectable heat cool on off P PI PD PID or alarm action eAuto tune with TRU TUNE adaptive control algorithm Control sampling rates input 10Hz outputs 10Hz Profile Ramp Soak Real Time Clock and Bat tery Back up Accuracy typical x30PPM at 77 F 25 C 430 100 PPM at 4 to 149 F 20 to 65 C Battery type lithium recycle properly Battery typical life three cumulative years of unpowered life at 77 F 25 C Isolated Serial Communic
61. 1 s o utput 1 process EL Thermistor Curve d r Direction EJ Type r r Resistance Range Fn Function oF n Function F L Filter F Function Instance F Function Instance c Error Latching o Control Sia Scale Low dEC Display Precision o t b Time Base Sa al Scale High o L o Low Power Scale R L tar 2L o h High Power Scale clo Range Low Linearization Menu ch Range High Fal Fiction LooP o L o Power Scale Low Un L Units Control Loop Menu o ho Power Scale High P I Input Point 1 h 89 Heat Algorithm o C A Calibration Offset oP I Output Point 1 CA9 Cool Algorithm ALP P9 Input Point 2 CC c Cool Output Curve at Alarm Menu TM oP Output Point 2 EE Un Tru Tune Enable C Ito P 3 Input Point 3 t bnd Tru Tune Band BL P1 Alarm oP 3 Output Point 3 t 9n Tru Tune Gain AE Y Type PY Input Point 4 t A9 Autotune Aggressiveness er 8 Source Function A oP U Output Point 4 BL Peltier Delay A hy Hysteresis PS Input Point 5 UFA User Failure Action AL J Logic oPS Output Point 5 FA L Input Error Failure AEJ Sides 1P Input Point 6 P fia Manual Power AL A Latching oP6 Output Point 6 L d E Open Loop Detect Enable B bL Blocking P 1 Input Point 7 L d t Open Loop Detect Time CAS Silencing oP 1 Output Point 7 L d d Open Loop Detect Deviation A J5 p Display PB Input Point 8 c Pj Ramp Action AdL Delay oP B Output Point 8 r S5C Ramp Scale i P9 Input Point 9 r r E Ramp Rat
62. 1326 1566 4 EZ Key will affect If only Instance 2 one instance is available Map 1 Map 2 any selection will affect it 1346 1586 gLbL SS EE Global Menu Global F 30 F Instance 1 0x67 103 Display Units C 15 Map1 Map2 1 Select which scale to use 1838 2308 5 for temperature Global SQ 50 Hz 3 60 Hz Instance 1 0x6A 106 AC Line Frequency C 80 60 Hz 4 Map1 Map2 1 Set the frequency to the 886 1006 4 applied ac line power source Note Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only Watlow EZ ZONE PM PID Controller e 60 e Chapter 6 Setup Page Note Some values will be rounded off to fit in the four character display Full values can be Parameter Name Description Profile Ramping Type Set the profile startup to be based on a set point or a process value Guaranteed Soak En able Enables the guaranteed soak deviation function in profiles Profile Guaranteed Soak De viation 1 Set the value of the de viation band that will be used in all profile step types The process value must enter the deviation band before the step can proceed Profile Event Input Source Instance A Set the digital source for WEI Profile Event Input Source Instance B Set the digital source for WE2 Global Menu Power Out Time If profile is running and power is lost profile w
63. 2 bo eo e eo e 1000 Ohms 5000 Ohms 10000 Ohms 20000 Ohms 5 1 5 10 20 40 40000 Ohms a R Rk Watlow EZ ZONE PM PID Controller Appendix Operating Range F PTID RTD 100 ohm S C RTD 1000 ohm mA Potentiometer 1K Thermistor Input e 0 to 40KO 0 to 20KO 0 to 10KQ 0 to 5KO e 2 252K0 and 10KO base at 77 F 25 C Linearization curves built in Third party Thermistor compatibility requirements Base R Alpha 25C Tech niques 2 252K Curve A 2 Digital Input Output Option 2 DIO eDigital input update rate 10Hz DC voltage Max input 36V 3mA e Min high state 3V at 0 25mA Max low state 2V Dry contact Min open resistance 10KQ Max closed resistance 500 Max short circuit 20mA Digital output update rate 10Hz Output voltage 24V current limit Output 6 10mA max Output 5 3 pole DIN A MITE 9 or 24mA max Output Hardware eSwitched dc 22 to 32V dc 30mA eSwitched dc open collector 30V dc max 100mA max cur rent sink Solid state relay SSR FormA 0 5A 24V ac min 264V ac max opto isolated without contact suppression 20 VA 120 240V ac pilot duty Electromechanical relay FormC 5A 24 to 240V ac or 30V dc max resistive load 100 000 cycles at rated load 125 VA pilot duty at 120 240V ac 25 VA at 24V ac Electromechanical relay FormA 5A 24 to 240V ac or 30V dc max
64. 4 91 675 12 92 F 34 91 648 73 80 Email info watlow es Website www watlow es Watlow UK Ltd Linby Industrial Estate Linby Nottingham NG15 8AA United Kingdom Telephone 0 115 964 0777 Fax 0 115 964 0071 Email info watlow co uk Website www watlow co uk From outside The United Kingdom Tel 44 115 964 0777 Fax 44 115 964 0071 Watlow Korea Co Ltd 1406 E amp C Dream Tower 46 Yangpyeongdong 3ga Yeongdeungpo gu Seoul 150 103 Republic of Korea Tel 82 2 2628 5770 Website www watlow co kr Fax 82 2 2628 5771 Watlow Malaysia Sdn Bhd No 14 3 Jalan 2 114 Kuchai Business Centre Jalan Kuchai Lama 58200 Kuala Lumpur Fax 61 3 9330 3566 Website www watlow com Watlow Electric Manufacturing Shanghai Company 1118 Fangyuan Road Anting Industrial Park Jiading Shanghai PRC 201203 People s Republic of China Tel 86 21 39509510 Fax 86 21 5080 0906 Email info watlow cn Website www watlow cn JRH VrNVRASH T 101 0047 RAF CERIX JR EH 1 14 4 FE E JL gU SRO F Tel 03 3518 6630 Fax 03 3518 6632 Email infoj watlow com Website www watlow co jp Watlow Japan Ltd 1 14 4 Uchikanda Chiyoda Ku Tokyo 101 0047 Japan Tel 81 3 3518 6630 Fax 81 3 3518 6632 Email infojf watlow com Website www watlow co jp Malaysia Tel 60 3 7980 7741 Fax 60 3 7980 7739 Risse SKA RA a 80143 BH Set RE 981895 108 2 SER 07 2885168 E 07 2885568 Watlow Electric Taiwa
65. 60 Non Instance 1 0x6D 109 Latching Latching 49 Latching Map 1 Map 2 1 to 4 Turn alarm latching on or 1492 1892 7 off A latched alarm has to be turned off by the user OBI test instance Map 1 equals 50 Watlow EZ ZONE PM PID Controller e 58 e Chapter 6 Setup Page Parameter Name Description Alarm 1 to 4 Silencing Turn alarm silencing on to allow the user to dis able this alarm oF F Off 62 on On 63 Alarm 1 to 4 Display Display an alarm message when an alarm is active oF F Off 62 on On 63 Alarm 1 to 4 Delay Set the span of time that the alarm will be delayed after the process value ex ceeds the alarm set point 0 to 9 999 seconds Function Key Menu LEu Function Key 1 to 2 LEv Level The Function Key will always power up in the low state h 9h High 37 Low 53 Pressing the Function Key will toggle the selected action Note Setup Page CIP Class Instance Attribute hex dec O0x6D 109 1to4 Modbus Rela tive Address Instance 1 Map1 Map2 1490 1890 6 Offset to next instance Map 1 equals 50 for Map 2 equals 60 0x6D 109 1to4 Instance 1 Offset to next instance Map 1 equals 50 for Map 2 equals 60 0x6D 109 1to4 Instance 1 Offset to next instance Map 1 equals 50 for Map 2 equals 60 Instance 1 Ox6E 110 Map1 MMap2 1to2 1320 1560 1 Instance 2 Map1 Map2 1340 1580 Some values wil
66. 68 pages and menus 30 Profiling Page 64 Setup Page 33 43 network wiring 23 no arc relay 78 Non volatile Save 44 O on off control 80 Open Loop Detect Deviation 54 Open Loop Detect Enable 53 Open Loop Detection 83 Open Loop Detect Time 53 Open Loop Set Point 38 Operations Page 33 output configuration 79 output features 77 Output Function 56 78 Output Menu 55 Output Point 1 43 Output Point 2 43 Output Point 3 43 Output Point 4 43 Output Point 5 43 Output Point 6 43 Output Point 7 43 Output Point 8 43 Output Point 9 43 Output Point 10 43 output power scaling 78 outputs 4 Output State 36 Output Type 56 78 P P3T armor sealing system 3 Parameter 1 to 20 69 Parameter ID 31 Parity 63 Part Number 71 Password 71 Watlow EZ ZONE PM PID Controller e 100 Appendix Password Enable 68 Peltier Delay 43 53 Power Out Time 44 61 Pressure Units 43 process alarms 82 Process Error Enable 46 Process Error Low 46 Process Value 34 48 Process Value Active 36 Process Value Menu 35 Profibus 32 Profibus Index 31 Profile Status Menu 40 Profile Type 61 Profiling Page 64 profiling parameters 64 programming the Home Page 74 proportional control 80 plus integral Pl control 80 plus integral plus derivative PID control 81 Protocol 62 Public Key 68 71 Q R Ramp Action 54 Ramp Rate 54 82 Ramp Scale 54 82 Range High 46 57 77 Range Low 45 56 77 Read Lockout Securit
67. 746 866 OxOE 14 never be greater than the value specified and will represent the value at which power scaling stops Output Process 1 1 999 000 to 9 999 000 F Instance 1 0x76 118 105 18007 Calibration Offset or units Map1 Map2 1 Set an offset value fora 1 110 555 to 5 555 000 C 732 852 7 process output ALPA Alarm Menu Alarm 1 to 4 Off 62 Instance 1 0x6D 109 Aty Type Pr AL Process Alarm 76 Map 1 Map2 lto 4 Select whether the alarm JEAL Deviation Alarm 1508 1908 OxF 15 trigger is a fixed value or 24 ill track the set point will trac e set poin Offset to next instance Map 1 amp Map 2 equals 60 Alarm 1 to 4 A Analog Input 142 If Alarm Instance 1 0x6D 109 Source Function A PL Jr Power Control typeis Map1 Map2 1to4 Select what will trigger Loop 73 set to 1512 1912 0x11 17 this alarm Process Value Devia 241 non r Offset to next Lar Linearization 238 Probes instance Map Current 22 1 amp Map 2 equals 60 Note Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only Watlow EZ ZONE PM PID Controller e 57 Chapter 6 Setup Page Setup Page CIP Modbus Rela Class Parameter Name E Param Description Default tive Instance eter ID P Address Attribute hex dec Alarm 1 to 4 0 001 to 9 999 000 F or Instance 1 0x6D 109
68. 76 118 1 OxA 10 Modbus Rela tive Address Param eter ID 6010 18001 18002 101 18011 Instance 1 88 Map 1 Map2 898 1018 Offset to next instance Map 1 amp Map 2 equals 30 Instance 1 95 Map1 Map2 720 840 Instance 1 Map1 Map2 722 842 Instance 1 Map 1 Map2 724 844 Instance 1 Map 1 Map2 726 846 1 1 1 1 1 Instance 1 Map 1 Map2 736 856 Instance 1 Map 1 Map2 738 858 0x76 118 1 OxB 11 Instance 1 Map 1 Map2 740 860 c m et Watlow EZ ZONE PM PID Controller 56 Chapter 6 Setup Page Setup Page CIP Modbus Rela Class Parameter Name 3 Param Deens Default tive Instance Pier ID P Address Attribute hex dec Output Process 1 1 999 000 to 9 999 000 F 9 999 0 F Instance 1 0x76 118 102 18012 Range High or units or units Map 1 Map2 1 Set the maximum value 1 128 000 to 5 537 000 C 5 537 0 C 742 862 OxC 12 of the retransmit value range in process units When the retransmit source is at this value the retransmit output will be at its Scale High value Output Process 1 0 0 to 10096 0 096 Instance 1 0x76 118 103 18013 Low Power Scale Mapi1 Map2 1 The power output will 744 864 OxOD 13 never be less than the value specified and will represent the value at which power scaling be gins Output Process 1 0 0 to 10096 10096 Instance 1 0x76 118 104 18014 High Power Scale Map1 Map2 1 The power output will
69. A International for use as Temperature Indicating Regulating Equipment per CSA C22 2 No 24 See www csa inter national org Unit has been reviewed and ap proved by ODVA for compliance with DeviceNet communications protocol See www odva org Unit has been reviewed and ap proved by ODVA for compliance with Ethernet IP communications protocol See www odva org Warranty The EZ ZONE PM is manufactured by ISO 9001 registered processes and is backed by a three year warranty to the first purchaser for use provid ing that the units have not been misapplied Since Watlow has no control over their use and sometimes misuse we cannot guarantee against failure Wat low s obligations hereunder at Watlow s option are limited to replacement repair or refund of purchase price and parts which upon examination prove to be defective within the warranty period specified This warranty does not apply to damage resulting from transportation alteration misuse or abuse The pur chaser must use Watlow parts to maintain all listed ratings Technical Assistance If you encounter a problem with your Watlow control ler review your configuration information to verify that your selections are consistent with your applica tion inputs outputs alarms limits etc If the prob lem persists you can get technical assistance from your local Watlow representative see back cover by e mailing your questions to wintechsupport watlow com or
70. BERI and Follow these steps for an RTD input from Sensor the Actual T ti D KOSE A 1 Measure the low source resistance to ensure it is accurate Connect the low source resistance to the input you are calibrating 2 Read the value of Electrical Measurement Pu Factory Page Calibration Menu for that input Calculate the offset value by subtracting this val ue from the low source resistance Temperature Actual Process Temperature se 4 Set Electrical Input Offset Factory Page Calibration Menu for this input to the offset val ue Calibration 5 Check the Electrical Measurement to see whether To calibrate an analog input you will need to provide it now matches the resistance If it doesn t match two electrical signals or resistance loads near the ex adjust Electrical Offset M pud l tremes of the range that the application is likely to 6 Measure the high source resistance to ensure it utilize See recommended values below is accurate Connect the high source resistance to the input Z Ein adala Z 7 Read the value of Electrical Measurement for that input BcOaloulote thbesinvalasbs diidtasdhedsw source signal by this value 9 Set Electrical Input Slope L 5 Factory Page Calibration Menu for this input to the calculated gain value 10 Check the Electrical Measurement to see wheth We uer e e E adjust Electrical Input Slope again Set Electrical Input Offset to 0 a
71. Demonstrates Watlow s reliability and product support Touch safe Package e P2X increased safety for installers and operators Removable cage clamp wiring connectors Reliable wiring reduced service calls e Simplified installation EZ Key s Programmable EZ Key enables simple one touch operation of repetitive user activities Programmable Menu System Reduces set up time and increases operator effi ciency Full featured Alarms mproves operator recognition of system faults Control of auxiliary devices Heat Cool Operation Provides application flexibility with accurate tem perature and process control Profile Capability Preprogrammed process control e Ramp and soak programming with four files and 40 total steps Watlow EZ ZONE PM PID Controller Chapter 1 Overview A Conceptual View of the PM The flexibility of the PM s software and hardware al lows a large range of configurations Acquiring a bet ter understanding of the controller s overall function ality and capabilities while at the same time plan ning out how the controller can be used will deliver maximum effectiveness in your application It is useful to think of the controller in three parts inputs procedures and outputs Information flows from an input to a procedure to an output when the controller is properly configured A single PM controller can carry out several procedures at the same time for instance closed loop contr
72. EZ ZONE PM User s Manual 7 WATLOW EZ ZONE PID Controller Models TOTAL CUSTOMER SATISFACTION Tem WATLOW s Registered Company Winona Minnesota USA 1241 Bundy Boulevard Winona Minnesota USA 55987 Phone 1 507 454 5300 Fax 1 507 452 4507 http www watlow com 0600 0058 0000 Rev J Made in the U S A TIERRA EA March 2010 Safety Information We use note caution and warning symbols through out this book to draw your attention to important operational and safety information A NOTE marks a short message to alert you to an important detail A CAUTION safety alert appears with informa tion that is important for protecting your equip ment and performance Be especially careful to read and follow all cautions that apply to your application A WARNING safety alert appears with infor mation that is important for protecting you oth ers and equipment from damage Pay very close attention to all warnings that apply to your application The electrical hazard symbol A a lightning bolt in a triangle precedes an electric shock hazard CAUTION or WARNING safety statement Symbol Explanation CAUTION Warning or Hazard that needs further explanation than label on unit can provide Consult users manual for further information ESD Sensitive product use proper grounding and handling tech niques when installing or servic ing product Unit protect
73. L Global Menu 60 LooP Control Loop Menu 52 RUE Autotune 37 74 95 d Guaranteed Soak Deviation Lao P Loop Menu 37 bPLS 79 61 L Po 1 Loop Open Error 27 C A 9 Cool Algorithm 52 80 95g 1 Guaranteed Soak Deviation L Po 1 Loop Open Error 1 27 CAL Calibration Menu 71 1 61 LPer I Loop Reversed Error 27 CC c Cool Output Curve 52 79 95 Guaranteed Soak Enable LP I Loop Reversed Error 1 27 C F Display Units 60 61 Pf Riaj 79 Ch Ba JChannel 62 95 Guaranteed Soak Enable Aa Manual Power 53 Ch 9 Cool Hysteresis 38 80 61 PAP Data Map 32 CL Ed Communications LED Activ 479 Heat Algorithm 52 80 PA inal 33 ity 61 h h Y Heat Hysteresis 37 80 PA in Minutes 41 CL o Wait for Time 65 hour 33 PA in Minutes 63 CL c Clear 83 holUrc 63 Pon Monitor Menu 36 CF Control Mode 37 79 hoUrc Hours 41 PAu Electrical Measurement 71 C98 Control Mode Active 36 Hours Remaining 33 76 CodE Public Key 68 71 Minutes Remaining 33 aUS Non volatile Save 63 Cof n Communications Menu 62 Seconds Remaining 33 n U5 Non volatile Save 63 63 65 69 hol Hours 63 o C A Calibration Offset 57 C P b Cool Proportional Band 38 h P b Heat Proportional Band 37 oC E Output Control 50 55 75 80 75 80 o F n Output Function 75 78 CP Cool Power 36 75 h P Heat Power 36 75 oF SE PV Offset 35 CSP Closed Loop Set Point 37 C A Calibration Offset 34 76 77 o h 1 Output High Power Scale l CSP Closed Loop Working Set 10 5 Idle Set Poi
74. N A MITE compatible single pole up to 2 in series none in parallel PM C _ AAAA 22 to 32V dc open circuit volt use dc and de to drive external common Er dc O a dc Quac Watlow EZ ZONE PM PID Controller Chapter 2 Install and Wire N A Warning Use National Electric NEC or other country specific standard wiring and safety practices when wiring and connecting this controller to a power source and to elec trical sensors or peripheral devices Failure to do so may result in damage to equip ment and property and or injury or loss of life Note Maximum wire size termina tion and torque rating e 0 0507 to 3 30 mm 30 to 12 AWG single wire termi nation or two 1 31 mm2 16 AWG e 0 8 Nm 7 0 Ib in torque Note Adjacent terminals may be labeled differently depend ing on the model number Note To prevent damage to the controller do not connect wires to unused terminals Note Maintain electrical isolation between analog input 1 digi tal input outputs switched dc open collector outputs and process outputs to prevent ground loops Note The control output common terminal and the digital com mon terminal are referenced to different voltages and must remain isolated Output 2 NO ARC Relay Form A normally open common SIot A L2 K2
75. Ramp Scale 5 Set the ramping rate with Ramp Rate Setup Page Loop Menu Set Point Temperature Temperature reaches Set Point quickly Time Set Point Temperature per minute Temperature ramps to Set Point at a set rate Time Alarms Alarms are activated when the output level process value or temperature leaves a defined range A user can configure how and when an alarm is triggered what action it takes and whether it turns off auto matically when the alarm condition is over Configure alarm outputs in the Setup Page before setting alarm set points Alarms do not have to be assigned to an output Alarms can be monitored and controlled through the front panel or by using software Process and Deviation Alarms A process alarm uses one or two absolute set points to define an alarm condition A deviation alarm uses one or two set points that are defined relative to the control set point High and low alarm set points are calculated by adding or subtracting offset values from the control set point If the set point changes the window defined by the alarm set points automatically moves with it Select the alarm type with Type Setup Page Alarm Menu Alarm Set Points The alarm high set point defines the process value or temperature that will trigger a high side alarm It must be higher than the alarm low set point and lower than the high limit of the sensor range T
76. Special Function Output 2 1533 oF I Special Function Output 1 1532 CooL Cool Power Con trol Loop 161 h E RE Heat Power Con trol Loop 160 ALP Alarm 6 Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only CIP Class Instance Attribute hex dec Ox 7E 126 1 0x1C 28 Ox7E 126 1 0x1D 29 Ox 7E 126 1 0x1A 26 0x6A 106 5 to 6 1 0x6A 106 1to2 5 Pressure Altitude calculation is based on the International Standard Atmosphere 1976 Watlow EZ ZONE PM PID Controller 49 o Chapter 6 Setup Page Setup Page Fixed Time Base 34 Variable Time Base 103 Modbus Rela tive Address Parameter Name Description Default Instance 1 Map1 Map2 1010 1130 Fi Digital Output 5 to 6 Function Instance Set the instance of the function selected above Offset to next instance Map 1 amp Map 2 equals 30 Instance 1 Map1 Map2 1002 1122 Digital Output 5 to 6 Control Set the output control type This parameter is only used with PID control but can be set anytime olt o Ct Offset to next instance Map 1 amp Map 2 equals 30 Instance 1 Map1 Map2 1016 1124 Digital Output 5 to 6 Time Base Set the time base for fixed time base control 0 1 for Fast and Bi Di rectional outputs 5 0 for Slow outp
77. TU or Standard Bus Do not connect more than 16 EZ ZONE PM controllers on a Standard Bus network Do not connect more than 247 EZ ZONE PM controllers on a Modbus RTU network maximum network length 1 200 meters 4 000 feet 1 8th unit load on EIA 485 bus PM 1 AAAA Modbus IDA EIA TIA 485 Watlow Termi Function Terminal Name nal Label po We CA or CD T R Wiring a Serial EIA 485 Network Two example networks are shown below where the first one is using Wat low s Standard Bus and the other showing connections over Modbus Do not route network wires with power wires Connect network wires in daisy chain fashion when connecting multiple devices in a network A termination resis tor may be required Place a 120 Q resistor across T R and T R of the last controller on a network Only one protocol per port is available at a time ei ther Modbus RTU or Standard Bus Watlow EZ ZONE PM PID Controller Chapter 2 Install and Wire N A Warning Use National Electric NEC or other country specific standard wiring and safety practices when wiring and connecting this controller to a power source and to elec trical sensors or peripheral devices Failure to do so may result in damage to equip ment and property and or injury or loss of life Note Maximum wire size termina tion and torque rating e 0 0507 to 3 30 mm 30 to 12 AWG single wire termi nation or two 1 31 mm2 16 AWG
78. X seal simply slide together until the gasket is compressed Slide the mounting collar over Place the blade of a screw driver in the notch of the mounting collar assembly the back of the controller 3 Fora NEMA 4X UL50 IP66 seal alternately place and push the blade of a screwdriver against each of the the four corners of the mounting col lar assembly Apply pressure to the face of the controller while pushing with the screwdriver Don t be afraid to apply enough pressure to prop erly install the controller The seal system is compressed more by mating the mounting collar tighter to the front panel see pictures above If you can move the case assembly back and forth in the cutout you do not have a proper seal The tabs on each side of the mounting collar have teeth that latch into the ridges on the sides of the controller Each tooth is staggered at a different depth from the front so that only one of the tabs on each side is locked onto the ridges at a time Note There is a graduated measurement difference be tween the upper and lower half of the display to the panel In order to meet the seal requirements mentioned above ensure that the distance from the front of the top half of the display to the panel is 16 mm 0 630 in or less and the distance from the front of the bottom half and the panel is 13 8 mm 0 525 in or less Removing the Mounted Controller from Its Case 1 From the controller s fac
79. a process is underway If the message was generated by a latched alarm and the condition no longer exists or if an alarm has si lencing enabled it can be silenced simply by pushing the Infinity key Alternatively use the method be low to view all and then clear Push the Advance Key to display in the up per display and the message source such as ALA 1 in the lower display Use the Up O or Down Q keys to scroll through possible responses such as Clear or Silence 5 L Then push the Advance or Infinity key to execute the action See the Home Page for further information on the Attention Codes Display Parameter Name Range Appears If Description Attention An active message will cause the display to toggle between the normal settings and the active message in the upper display and RE E n in the lower display Your response will depend on the message and the control ler settings Some messages such as Ramping and Tun ing indicate that a process is underway If the message was generated by a latched alarm or limit condition the message can be cleared when the con dition no longer exists If an alarm has silencing enabled it can be silenced Push the Advance Key to dis play in the upper dis play and the message source such as L h 1 in the lower display Use the Up or Down Q keys to scroll through possible re sponses such as Clear or Silence L Then push the Advance or Infinity
80. ad calibration data 139 Ambient error 9 RTD error 14 Fail 32 Math error 1423 Not sourced 246 Stale 1617 Can t process 1659 Modbus Rela tive Address Instance 1 Mapi1 Map2 3614 1 999 000 to 9 999 000 F or units 1 128 000 to 5 537 000 C Instance 1 Map1 Map2 3310 1 999 000 to 9 999 000 F or units 1 128 000 to 5 537 000 C 1 999 000 to 9 999 000 F or units 1 128 000 to 5 537 000 C None 61 Open 65 Shorted 127 Measurement error 140 Bad calibration data 189 Ambient error 9 RTD error 14 Fail 32 Math error 1423 Not sourced 246 Stale 1617 Can t process 1659 Instance 1 Map 1 Map 2 3322 Instance 1 Map 1 Map 2 3332 Instance 1 Map1 Map2 3324 Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only CIP Class Instance Attribute hex dec 0x86 134 1 Ox1C 28 0x7E 126 1 0x10 16 Ox7E 126 1 0x17 23 Ox7E 126 1 0x16 22 0x86 134 1to2 Ox1B 27 Watlow EZ ZONE PM PID Controller Chapter 5 Operations Page Parameter Name Description Display di Digital Output 5 to 6 Output State View the state of this out put Digital Input 5 to 6 Event Status View this event input state EZ Key s 1 to 2 Event Status View this event input state Monitor
81. ale High 45 56 77 78 Event Input Source Instance 61 Event Input Source Instance o Aa lt o Aa un o Aa a o o J o Aa Co o Aa 0 o o p o rr Oo rr o fr uc o De o D M 7o o D d tn P 2 C E 7n C Aa Q Aa n n R o 3 o o rr o 4 o D rr uc o LO t 3 rr o c o d 2 m 3 4 m c 2 Jy y 3 o co P BY o r r o r r o o o o 2 1 hr 2 S 2 m o 3 r Lc o T B 61 5 L Silence 83 S L o Scale Low 45 56 77 78 5L a C Set Lockout Security 70 84 Sn Serial Number 71 5 5 t P Profile Start Step 51 St P Active Step 41 5 YP Active Step Type 41 5u Source Value A 35 A 9x User Tune Aggressiveness 52 74 E b nd TRU TUNE Band 52 75 E L Thermistor Curve 46 td Time Derivative 38 75 81 E 9 na TRU TUNE Gain 52 75 E Time Integral 38 75 80 EE Un TRU TUNE Enable 52 75 lEUn Ij Tuning 27 t Un l EUneg Tuning 1 or 2 27 E Una I Tuning 1 27 UFA User Failure Action 53 UL oC Unlock Menu 85 US c c User Restore Set 62 74 US c5 User Save Set 62 74 b
82. alue until the process stabi lizes 6 Increase Derivative to 0 1 Then increase the set point by 11 to 17 C Monitor the system s ap proach to the set point If the process value over shoots the set point increase Derivative to 0 2 Increase the set point by 11 to 17 C and watch the approach to the new set point If you increase Derivative too much the approach to the set point will be very sluggish Repeat as necessary until the system rises to the new set point with out overshoot or sluggishness For additional information about autotune and PID control see related features in this chapter Autotuning with TRU TUNE The TRU TUNE adaptive algorithm will optimize the controller s PID values to improve control of dy namic processes TRU TUNE monitors the process variable and adjusts the control parameters auto matically to keep your process at set point during set point and load changes When the controller is in the adaptive control mode it determines the appropriate output signal and over time adjusts control param eters to optimize responsiveness and stability The The preferred and quickest method for tuning a loop is to establish initial control settings and contin ue with the adaptive mode to fine tune the settings Setting a controller s control mode to tune starts this two step tuning process See Autotuning in this chapter This predictive tune determines initial rough settings for the PID
83. ame EZ Zone PM _Model Number PMGR4CJ ALEJAAA PM3C1 PMBB2C STCL B2MC BPAA STCL B2MP EPAA RMEF CCVA 5544 EZ Zone ST EZ ZONE ST E7 7ane OM Stop Scar Repeat Scan Chapter 9 Features In the previous screen shot the PM is shown high lighted to bring greater clarity to the control in fo cus Any EZ ZONE device on the network will ap pear in this window and would be available for the purpose of configurationor monitoring After clicking on the control of choice simply click the next button once again The next screen appears below Watlow EZ ZONE CONFIGURATOR Edit Device Settings On Line Configuring Model Numb more clarity for the area of focus by not displaying unwanted menus ad parameters Once the focus is brought to an individual parameter single click of mouse as is the case for Analog Input 1 in the left column all that can be setup related to that param eter will appear in the center column The grayed out fields in the center column simply mean that this Parameters are set in the device as you edit them Click Next to see more parameters or click a Menu in the tree to view and edit its settings Click Finish to save and exit Parameter Help Configure the Inputs Parameter Menus Parameters Setup Analog Input 1 PM Sensor Type Setup TC Linearization in Analog Input Set the controller parameters to match the sensors attached to the inputs Analog Input 1
84. ameters 0 00 cece eects 74 hcc 76 DUTIES S oriri intet oo det totes dite ders nae idet ient 77 Control Methods sss RE RE pr EE OI ERE ER 79 ALAM S i aite acere sta te dt sede tet doen ob an faa 82 Open Loop Detection 0 ccc cc eee eee 83 Programming the EZ Key S 0 0 00 c cece eee eens 84 Using Lockout to Hide Pages and Menus 005 84 Using Password Security 00 ccc cece eee ee eee ees 85 Modbus Using Programmable Memory Blocks 86 Software Configuration llle 87 Chapter 10 Appendix 0 0 IRR 90 Troubleshooting Alarms Errors and Control Issues 90 Modbus Programmable Memory Blocks 05 93 SpeCifICAtlOlls s eoe Eee yaaa eed Yadebd raul ud 95 Ordering Information for PID Controller Models 97 MINOX x is Sea I M 98 How to Reach US 2 0 0 2 cece 103 Watlow EZ ZONE PM PID Controller eo 2 Table of Contents Chapter 1 Overview The EZ ZONE PM takes the pain out of solving your thermal loop requirements Watlow s EZ ZONE PM controllers offer options to reduce system complexity and the cost of control loop ownership You can order the EZ ZONE PM as a PID controller or an over under limit controller or you can combine both functions in the PM Integrat ed Limit Controller You now have the option to in tegrate a high amperage power controller output an over under limit contro
85. ameters within the control The menu structure as laid out within this software follows Setup Operations Factory Profile Navigating from one menu to the next is easy and clearly visible Simply slide the scroll bar up or down to display the menu and parameter of choice As an alternative clicking on the negative symbol next to Setup will collapse the Setup Menu where the Op erations Menu will appear next and perhaps deliver does not apply for the type of sensor selected As an example notice that when RTD is selected TC Lin earization does not apply and is therefore grayed out To speed up the process of configuration notice that at the bottom of the center column there is an op tion to copy settings If Analog Input 1 and 2 are the same type of sensor click on Copy Settings where a copy from to copy to dialog box will appear allowing for quick duplication of all settings Notice too that by clicking on any of those items in the center column that context sensitive help will ap pear for that particular item in the right hand col umn Watlow EZ ZONE PM PID Controller 88 o Chapter 9 Features Lastly when the configuration is complete click the Finish button at the bottom right of the previous screen shot The screen that follows this action can be seen below Watlow EZ ZONE CONFIGURA 7 X Finish Configuring a Device On Line Congratulations you have updated the settings in
86. ance 1 Map 1 Map2 2354 Instance 1 Map 1 Map2 2356 Instance 1 Map 1 Map2 Instance 1 Map 1 Instance 1 Map 1 Map2 2492 2972 Instance 1 Map 1 Map2 2480 2960 Instance 1 Map 1 Map2 2482 2962 Instance 1 Map 1 Map2 2484 2964 CIP Class Instance Attribute hex dec Ox6A 103 1 Ox1B 27 0x6A 103 1 0x1C 28 0x6A 103 1 0x1D 29 0x 101 1 OxE 14 0x65 101 1 OxD 13 0x96 150 1 7 0x96 150 1 1 0x96 150 1 2 0x96 150 1 3 Param eter ID zi 7 lii i 118 1014 117 1013 17009 uint RWE 17001 uint RWE 17007 uint RWE 17002 uint RWE Watlow EZ ZONE PM PID Controller Chapter 6 Setup Page Setup Page CIP Parameter Name Modbus Rela Class Description Default tive Instance Address Attribute hex dec Communications no n None 61 None Instance 1 0x96 150 Parity Modbus 1 EuEn Even 191 Map1 Map 2 1 Set the parity of this con Codd Odd 192 2486 2966 4 troller to match the parity of the serial network Communications 1 F Fahrenheit 30 F Instance 1 0x96 150 Temperature Units J Celsius 15 Map 1 Map2 1 Select whether this com 2490 2970 6 munications channel will display in Celsius or Fahrenheit Note Applies to Modbus only Communications 1 Loh Low High 1331 Low High Instance 1 0x96 150 M hL Modbus Word Order A L o High Low 1330 Map1 Map 2 1 Select the word order
87. ance 1 Map 1 Map2 2172 2652 CIP Class Paqram Instance ee ID Attribute Index hex dec 0x6A 106 1 to2 7 uint R Ox6E 110 10005 uint 1to2 R 5 Ox6E 110 140 10005 R 3 to 4 5 8002 uint R 8011 float R 8014 float R 8029 float R 8031 float R Ox6B 107 7018 float 1 R 7 0x97 151 1 2 0x97 151 1 OxD 13 0x97 151 1 OxE 14 Ox6B 107 1 7 0x68 104 1 0x16 22 Watlow EZ ZONE PM PID Controller Chapter 5 Operations Page Parameter Name Description Control Loop 1 Remote Enable Enable this loop to switch control to the remote set point Control Loop 1 Remote Set Point Type Enable this loop to switch control to the remote set point Control Loop 1 Control Mode Select the method that this loop will use to con trol Control Loop 1 Autotune Set Point Set the set point that the autotune will use as a percentage of the current set point Control Loop 1 Autotune Request Start an autotune While the autotune is active the Home Page will display EUn 1 When the autotune is complete the message will clear auto matically Control Loop 1 Closed Loop Set Point Set the set point that the controller will automati cally control to Control Loop 1 Idle Set Point Set a closed loop set point that can be triggered by an event state Control Loop 1 Heat Proportional Band Set the PID proportional band for the heat
88. and the parameter value will appear in the upper display You can use the Up O and Down Q keys to change the value of writable parameters just as you would in any other menu If Control Mode is set to Auto the Process Value is in the upper display and the Closed Loop Set Point read write is in the lower display If a profile is running the process value is in the upper display and the Target Set Point read only is in the lower display If Control Mode is set to Manu al the Process Value is in the upper display and the output power level read write is in the lower display If Control Mode is set to Off the Process Value is in the upper display and read only is in the lower display If a sensor failure has occurred is in the upper display and the output power level read write is in the lower display Changing the Set Point You can change the set point by using the Up or Down Q keys when a profile is not running Modifying the Home Page To modify the Home Page proceed to the Factory Menu by pushing and holding the Advance 9 key and the Infinity key for approximately six seconds Upon entering the Factory Page the first menu will be the Custom Menu Cu S E Once there push the Advance key where the lower display will show Cu S E and the upper display will show Again push the Advance button where the prompt for the Active Process Value A C P u will be displayed on top and Parameter PA
89. ap 1 equals 50 Map 2 equals 100 0x79 121 1 to 40 Instance 1 Map1 Map2 2576 4506 Offset to next instance Map 1 equals 50 Map 2 equals 100 Instance 1 0x79 121 Map1 Map2 1to40 2578 4508 5 Offset to next instance Map 1 equals 50 Map 2 equals 100 R Read W Write E EEPROM S User Set Watlow EZ ZONE PM PID Controller Chapter 7 Profiling Page Parameter Name Description Step Type Parameters Rate Select the rate for ramping in degrees or units per minute Step Type Parameters Wait For Process Value Select which analog input Wait For Process will use Step Type Parameters Wait Event 5 6 Select the event state that must be satisfied during this step Digital input 5 provides the state of Event 1 and digital input 6 provides the state of Event 2 Step Type Parameters Wait Event 5 6 Select the event state that must be satisfied during this step Digital input 5 provides the state of Event 1 and digital input 6 provides the state of Event 2 Step Type Parameters Day of Week Step Type Parameters Jump Step Select a step to jump to Note Profiling Page Default Instance 1 Map 1 Map2 2580 4510 Offset to next instance Map 1 equals 50 Map 2 equals 100 Instance 1 Map 1 Map2 2590 4520 Modbus Relative Ad dress 0 to 9 999 000 F or units per minute 0 to 5 555 000 C per minute 1 999 000 to 9 999 000 F or units 1 128 000 to 5
90. ap 1 Map2 2162 2642 0 to 9 999 seconds 1 000 0 to 1 000 0 F or units 556 to 556 C 100 to 100 heat and cool 0 to 100 heat only 100 to 0 cool only None 61 Open Loop 1274 Reversed Sensor 1275 Instance 1 Map 1 Map 2 1798 Clear 129 Ignore 204 Instance 1 Map 1 Map 2 1800 Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only CIP Class Instance Attribute hex dec Paqram eter ID 0x97 151 6 8012 float 1 RWES 7 8013 float RWES 8006 float RWES 0x97 151 8007 float 1 RWES 9 4 70 71 51 0x97 151 1 OxC 12 0x97 151 1 8 0x97 151 1 OxA 10 8008 float RWES 0x6B 107 7002 float 1 RWES 2 0x6C 108 8030 uint 1 R 0x30 48 Ox6C 108 8031 1 0x31 49 Watlow EZ ZONE PM PID Controller Chapter 5 Operations Page Display ALP Parameter Name Description Alarm Menu A Lo Note Alarm 1 to 4 Low Set Point If Alarm Type Setup Page Alarm Menu is set to process set the process value that will trigger a low alarm deviation set the span of units from the closed loop set point that will trigger a low alarm A negative set point represents a value below closed loop set point A positive set point represents a value above closed loop set point Alarm 1 to 4 High Set Poin
91. ation To go to the Profiling Page from the Home Page press the Advance Key for three seconds until appears in the lower display and the profile number appears in the upper display Press the Up or Down key to change to another profile e Press the Advance Key to move to the selected profile s first step Press the Up or Down keys to move through the steps Press the Advance Key to move through the selected step s settings Press the Up O or Down Q keys to change the step s settings Press the Infinity Key at any time to return to the step number prompt Press the Infinity Key again to return to the profile number prompt From any point press and hold the Infinity Key for two seconds to return to the Home Page Note Changes made to profile parameters in the Profiling Pages will be saved and will also have an immediate impact on the running profile Some parameters in the Profile Status Menu can be changed for the currently running profile but should only be changed by knowledgeable personnel and with cau tion Changing parameters via the Profile Status Menu will not change the stored profile but will have an immediate im pact on the profile that is running Profiling Parameters to P4 ito EJP Step Type P I Target Set Point Loop 1 hoUrc Hours P in Minutes Seconds r ALE Rate b UP I Wait For Process 1 UJE I Wait For Event 1 un er How t
92. ations EIA232 485 Modbus RTU Wiring Termination Touch Safe Terminals eInput power and controller output terminals are touch safe re movable 3 30 to 0 0507 mm 12 to 22 AWG eWire strip length 7 6 mm 0 30 in e Torque 0 8 Nm 7 0 lb in Universal Input e Thermocouple grounded or ungrounded sensors 20MO input impedance 3p open sensor detection Max of 2KO source resistance RTD 2 or 3 wire platinum 1000 and 10000 0 C calibration to DIN curve 0 003850 0 C e Process 0 20mA 1000 or 0 10V dc 20kO input imped ance Voltage Input Ranges Accuracy x10mV 1 LSD at standard conditions Temperature stability 100 PPM C maximum Milliamp Input Ranges Accuracy 20pA 1 LSD at standard conditions Temperature stability 100 PPM C maximum Resolution Input Ranges 0 to 10V 200 pV nominal 0 to 20 mA 0 5 mA nominal e Potentiometer 0 to 1 2000 eInverse scaling Input Type T 200 to 350 Accuracy Accuracy Units 1 75 2 45 1 55 2 25 2 10 3 9 3 9 2 66 870 3 32 3 32 2 34 2 00 2 00 0 05 0 01 750 1250 350 1250 Deg C Deg C Deg C Deg C Deg C Deg C Deg C Deg Deg C 2315 Deg 1343 Deg C 800 Deg 800 DegC 200 c 200 1450 1450 1700 2315 J F PTID RTD 100 ohm RTD 1000 ohm IV K N E m a o z 1K range range 10K range Thermistor Thermistor 40K range Volts mAmps DC mAmps AC 0 0
93. be differ ent based on the type of output ordered The output cycle time can be changed in the Setup Page under the Output Menu EZ ZONE PM Default Configuration Input Output Function Function Process Value PID Controller Input Sensor j Anelog Input 1 PV Heat Thermocouple Type J Futon Eme Loop 1 Off Watlow EZ ZONE PM PID Controller Chapter 1 Overview EZ ZONE PM PID Model System Diagram Universal Sensor Input Configuration Communications Input Functions Red Green 7 Segment Display Output Functions Analog Input 1 Potentiometer None Profile start stop Profile start Profile hold resume Profile disable TRU TUNE disable Control outputs off Manual auto mode Tune Idle set point Force alarm Loop amp alarms off Silence alarm Alarm reset Lock keypad a Restore user settings programmable event Network remote user interface personal computer programmable logic controller human machine interface none Thermocouple RTD 100Q gt 1kQ Thermister 5kQ 10kO 20kQ 40kQ Process V mV mA or 1k Digital Input or Output 5 amp 6 optional none switch volts dc EZ Key s PM4 6 8 and 9 only EIA 485 Communications Standard Bus Modbus RTU optional PID Output 1 none switched dc open collect HE ee Controller form C mechanical 5 A
94. bus Rela Class Parameter Name tive Instance Description Address Attribute hex dec Digital Input 5 to 7 Instance 1 Ox6E 110 Function Instance Map1 Map2 5 to 7 Select which Digital Input 1326 1566 4 will be triggered by a true state Offset to next instance Map 1 amp Map 2 equals 20 LooP ESEE ontrol Loop Menu Control Loop 1 oF F Off 62 Instance 1 0x97 151 Heat Algorithm PID 71 Map1 Map 2 1 3 1 N Set the heat control ono F On Off 64 1884 2364 method Control Loop 1 aF F Off 62 Instance 1 0x97 151 C Ag Cool Algorithm P 1d PID 71 Mapl1 Map2 1 4 1 wo Set the cool control ono F On Off 64 1886 2366 method Control Loop 1 Off 62 Instance 1 0x97 151 Cool Output Curve Non linear Curve Map1 Map2 1 Select a cool output 1888 2368 5 curve to change the Non linear Curve responsiveness of the system EE Un Control Loop 1 No 59 Instance 1 0x97 151 t tUn TRU TUNE Enable Yes 106 Map1 Map2 1 Enable or disable the 1910 2390 0x10 16 TRU TUNE adaptive tuning feature Control Loop 1 0 to 100 Instance 1 0x97 151 t bnd TRU TUNE Band Map1 Map2 1 Set the range centered 1912 9392 0x11 17 on the set point within which TRU TUNE will be in effect Use this func tion only if the controller is unable to adaptive tune automatically Control Loop 1 1to6 3 Instance 1 0x97 151 tgn TRU TUNE Gain Map 1 Map2 1
95. ct on the running pro file Instance 1 Map 1 2520 4340 Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only Map 2 0x7A 122 204 22001 1 1 Watlow EZ ZONE PM PID Controller 40 Chapter 5 Operations Page Parameter Name Description Profile Status Action Request Profile Status Active Step View the currently run ning step Profile Status Active Step Type View the currently run ning step type Profile Status Target Set Point Loop 1 View or change the target set point of the current step Profile Status Produced Set Point 1 Display the current set point even if the profile is ramping Profile Status Hours Step time remaing in hours Profile Status Minutes Step time remaing in minutes Profile Status Seconds Step time remaing in seconds Profile Status Active Event Output 1 View or change the event output states Operations Page Range Default None 61 SEEP Step Start 89 Terminate 148 r ESU Resume 147 PR US Pause 146 Pr oF Profile 77 USE P Unused Step 50 End End 27 J L Jump Loop 116 CL oC Wait For Time 1543 L dbo Wait For Both 210 b UP c Wait For Pro cess 209 LJE Wait For Event 144 5o RH Soak 87 E Time 143 c BE E Rate 81 1 999 000 to 9 999 000 F or units
96. e Functions Functions use input signals to calculate a value A function may be as simple as reading a digital input to set a state to true or false or reading a tempera ture to set an alarm state to on or off Or it could compare the temperature of a process to the set point and calculate the optimal power for a heater To set up a function it s important to tell it what source or instance to use For example an alarm may be set to respond to either analog input 1 or 2 instance 1 or 2 respectively Keep in mind that a function is a user programmed internal process that does not execute any action out side of the controller To have any effect outside of the controller an output must be configured to respond to a function Outputs Outputs can perform various functions or actions in response to information provided by a function such as operating a heater turning a light on or off un locking a door or turning on a buzzer Assign an output to a Function in the Output Menu or Digital Input Output Menu Then select which instance of that function will drive the select ed output For example you might assign an output to respond to alarm 4 instance 4 or to retransmit the value of analog input 2 instance 2 You can assign more than one output to respond to a single instance of a function For example alarm 2 could be used to trigger a light connected to output 1 and a siren connected to digital output 5
97. e N equates to no cannot write read The colored cells simply differentiate one level from the next Lockout Security 5L of amp c LoC Lockout Level 0 1 3 Home Page Y Y IY Y Y Y Operations Page N N Y X Y Setup Page NIN NN Y Profile Page NIN N Y YY Factory Page Custom Menu N N N N N Y Diagnostic Menu N Y Y Y Y Y Calibration Menu N N N N N Y Lockout Menu Lot NIYIYIYI Y Y Lol P NEM Y Y Y Y PASE NEN Y Y Y Y clol YIY Y JY Y Y Stol X XUL X X Using Lockout to Hide Pages and Menus If unintentional changes to parameter settings might raise safety concerns or lead to downtime your can use the lockout feature to make them more secure Each of the menus in the Factory Page and each of the pages except the Factory Page has a security The following examples show how the Lockout Menu parameters may be used in applications 1 You can lock out access to the Operations Page but allow an operator access to the Profile Menu by changing the default Profile Page and Opera tions Page security levels Change Lock Opera tions Page to 3 and Lock Profiling Page Watlow EZ ZONE PM PID Controller Chapter 9 Features to 2 If Set Lockout Security is set to 2 or higher and the Read Lockout Security is set to 2 the Profiling Page and Home Pages can be accessed and all writable param e
98. e pull out the tabs on each side until you hear it click Grab the unit above and below the face and pull for ward Pull out the tab on each side until you hear it click 2 On a PM6 control once the sides are released grab the unit above and below the face with two hands and pull the unit out On the PM4 8 9 con trols slide a screwdriver under the pry tabs and turn A N Warning This equipment is suitable for use in class 1 div 2 Groups A B C and D or Non Hazardous loca tions only Temperature Code T4A WARNING EXPLOSION HAZARD Substitu tion of component may impair suitability for class 1 div 2 WARNING EXPLOSION HAZARD Do not disconnect equipment unless power has been switched off or the area is known to be nonhaz ardous Watlow EZ ZONE PM PID Controller Chapter 2 Install and Wire Returning the Controller to its Case 1 Ensure that the orientation of the controller is correct and slide it back into the housing Note The controller is keyed so if it feels that it will not slide back in do not force it Check the orientation again and reinsert after correcting 2 Using your thumbs push on either side of the con troller until both latches click Chemical Compatibility This product is compatible with acids weak alkalis alcohols gamma radiation and ultraviolet radiation This product is not compatible with strong alkalis organic solvents fuels aromatic hydrocarbons
99. e 0 8 Nm 7 0 Ib in torque Note Adjacent terminals may be labeled differently depend ing on the model number Note To prevent damage to the controller do not connect wires to unused terminals Note Maintain electrical isolation between analog input 1 digi tal input outputs switched dc open collector outputs and process outputs to prevent ground loops Note The control output common terminal and the digital com mon terminal are referenced to different voltages and must remain isolated A Network Using Watlow s Standard Bus and an RUI Gateway EZ ZONE ST ST BorF M Power Supply EZ ZONE RM pai uml ro Goo put LII power a oo pat C m power 1 4 TI TT common IT pm JE t D E LLU LLL LL put mi mat I1 IT LL TT 8 pati TT ower Er e iun ut cr icom d JEn EZ ZONE PM c aa _4 7 cei ae B5 bel Slot C 23 SSeeeees S se SUSE HHHEHH RUI Gateway 8 EZKB A s La common
100. e LFUn oP 4 Output Point 9 L SP Low Set Point SEE Function Key Menu P_ 10 Input Point 10 4 5P High Set Point 1 to PL o Set Point Open Limit Low Function Key Available with PM4 PM8 and PM9 models only Watlow EZ ZONE PM PID Controller 43 Chapter 6 Setup Page 73 3 30 o m m uu ctCr AWD Level Digital Input Function Instance bal Menu _F Display Units AC Line Frequency Ramping Type Profile type Guaranteed Soak Enable Guaranteed Soak Deviation 1 Source instance A Source instance B Power Out Time Communications LED Action Zone Action Channel Action Display Pairs Menu Display Timer User Save User Restore Communications Menu Protocol Standard Bus Address Modbus Address Baud Rate Parity Modbus Word Order Data Map Display Units Non volatile Save SEE Real Time Clock Menu Hour in Minute Day of Week Available with PM8 and PM9 models only Watlow EZ ZONE PM PID Controller 44 Chapter 6 Setup Page Parameter Name Description m m C SEE Analog Input Menu Analog Input 1 Sensor Type Set the analog sensor type to match the device wired to this input Note There is no open sensor de tection for process inputs Analog Input 1 Linearization S
101. e Low With a process input you must choose a value to rep resent the low and high ends of the current or voltage range Choosing these values allows the controller s display to be scaled into the actual working units of measurement For example the analog input from a humidity transmitter could represent 0 to 100 per cent relative humidity as a process signal of 4 to 20 mA Low scale would be set to 0 to represent 4 mA and high scale set to 100 to represent 20 mA The in dication on the display would then represent percent humidity and range from 0 to 100 percent with an input of 4 to 20 mA Select the low and high values with Range Low and Range High Setup Page Analog Input Menu Outputs Duplex Certain systems require that a single process output control both heating and cooling outputs An EZ ZONE PM controller with a process output can func tion as two separate outputs With a 4 to 20mA output the heating output will operate from 12 to 20mA 0 to 100 percent and the cooling output will operate from 12 to 4mA 0 to 100 percent In some cases this type of output is required by the device that the EZ ZONE PM controls such as a three way valve that opens one way with a 12 to Watlow EZ ZONE PM PID Controller Chapter 9 Features 20mA signal and opens the other way with a 4 to 12mA signal This feature reduces the overall system cost by using a single output to act as two outputs Outputs 1 and 3 can b
102. e Page it is automatically changed in its origi nal page If you change a parameter in its original page it is automatically changed in the Home Page The default parameters will automatically appear in the Home Page Change the list of parameters in the Home Page from the Custom Menu Factory Page Tuning the PID Parameters Autotuning When an autotune is performed on the EZ ZONE PM the set point is used to calculate the tuning set point For example if the active set point is 200 and Autotune Set Point Operations Page Loop Menu is set to 90 percent the autotune function utilizes 180 for tuning This is also how autotun ing works in previous Watlow Winona controllers In addition changing the active set point in previous controllers causes the autotune function to restart where with the EZ ZONE PM changing the set point after an autotune has been started has no affect A new feature in EZ ZONE PM products will al low set point changes while the control is autotun ing this includes while running a profile or ramping When the auto tune is initially started it will use the current set point and will disregard all set point changes until the tuning process is complete Once complete the controller will then use the new set point This is why it is a good idea to enter the active set point before initiating an autotune Autotuning calculates the optimum heating and or cooling PID parameter settings based on t
103. e de creases the number of times the output will cycle Decreasing hysteresis improves controllability With hysteresis set to 0 the process value would stay clos er to the set point but the output would switch on and off more frequently and may result in the output chattering On off control can be selected with Heat Algo rithm or Cool Algorithm Setup Page Loop Menu On off hysteresis can be set with Heat Hysteresis or Cool Hysteresis Operations Page Loop Menu Note Input Error Failure Mode does not function in on off control mode The output goes off A The heating action switches off when the process temperature rises above the set point Set Point Temperature Hysteresis E N Process Temperature The heating action switches on when the process temperature drops below the set point minus the hysteresis The heating action switches on at startup Time The cooling action switches on when the process temperature rises above the set point plus the hysteresis N Hysteresis The cooling action switches on at startup The cooling action switches off when the process temperature drops below the set point Process Temperature Set Point Temperature Time Proportional Control Some processes need to maintain a temperature or process value closer to the set point than on off con trol can provide Proportional control provides closer contro
104. e dead band value keeps the two systems from fighting each other 4 Cool outa Set Point Heaout Active Temperature Positive Dead Band gt Time When the dead band value is zero the heat ing output activates when the temperature drops be low the set point and the cooling output switches on when the temperature exceeds the set point Cool out itive Set Point Heafou ut Active Temperature Zero Dead Band gt Time When the dead band value is a negative val ue both heating and cooling outputs are active when the temperature is near the set point 4 Temperature Negative Dead Band gt Time Adjust the dead band with Dead Band db Operations Page Loop Menu Variable Time Base Variable time base is the preferred method for con trolling a resistive load providing a very short time base for longer heater life Unlike phase angle firing variable time base switching does not limit the cur rent and voltage applied to the heater With variable time base outputs the PID algo rithm calculates an output between 0 and 100 but the output is distributed in groupings of three ac line cycles For each group of three ac line cycles the controller decides whether the power should be on or off There is no fixed cycle time since the decision is made for each group of cycles When used in conjunc tion with a zero cross burst fire device such as a solid state power
105. e location where the file will be placed Saved in and enter the file name File name as well The default path for saved files follows Program Files Watlow EZ ZONE CONFIGURA TOR Saved Configurations The user can save the file to any folder of choice Watlow EZ ZONE PM PID Controller 89 Chapter 9 Features Chapter 10 Appendix Troubleshooting Alarms Errors and Control Issues Alarm won t clear or reset Alarm won t occur Alarm Error Alarm Low AL h I Alarm High RLhe ALRI ALAY Er 1I Error Input Alarm will not clear or reset with keypad or digital input Alarm will not activate output Alarm state cannot be deter mined due to lack of sensor input Sensor input below low alarm set point Sensor input above high alarm set point Sensor does not provide a valid signal to controller e Alarm latching is active e Alarm set to incorrect output e Alarm is set to incorrect source e Sensor input is out of alarm set point range e Alarm set point is incorrect e Alarm is set to incorrect type e Digital input function is incor rect e Alarm silencing is active e Alarm blocking is active e Alarm is set to incorrect out put e Alarm is set to incorrect source e Alarm set point is incorrect e Alarm is set to incorrect type e Sensor improperly wired or open Incorrect setting of sensor type Calibration corrupt Temperature is less than alarm set poi
106. e ordered as process out puts Select duplex as the Output Function Setup Page Output Menu Set the output to volts or milliamps with Output Type o t 9 Set the range of the process output with Scale Low and Scale High 5h 4 NO ARC Relay A NO ARC relay provides a significant improvement in the life of the output relay over conventional re lays Conventional mechanical relays have an expected life of 100 000 cycles at the rated full load current The shorter life for conventional relays is due to the fact that when contacts open while current is flowing metal degradation occurs This action produces un avoidable electrical arcing causing metal to transfer from one contact to the other The arcing conditions continue on each subsequent contact opening until over time the resistance through the contacts in creases causing the contacts to increase in tempera ture Eventually the contacts will weld together and the relay remains in the on state The Watlow NO ARC relay is a hybrid relay It us es a mechanical relay for the current load and a triac solid state switch to carry the turn on and turn off currents NO ARC relays extend the life of the relay more than two million cycles at the rated full load current Although a NO ARC relay has significant life ad vantages a few precautions must be followed for ac ceptable usage Do not use hybrid relays for limit contactors A limit or safety device must provide a p
107. e software is installed double click on the EZ ZONE Configurator icon placed on your desktop dur ing the installation process If you cannot find the icon follow the steps below to run the software 1 Move your mouse to the Start button 2 Place the mouse over All Programs 3 Navigate to the Watlow folder and then the sub folder EZ ZONE Configurator 4 Click on EZ ZONE Configurator to run The first screen that will appear is shown below EJ Welcome to the EZ ZONE CONFIGURATOR This program makes it easy for you to configure any of your EZ ZONE products Choose one of these options Configure a device while communicating with it C Create or edit a configuration file to download lata and click Next to begin configuring an EZ ZONE device Version 3 0 31 2006 WatlowElectric and Manufacturina Companv All riahts Cancel Help Get Updates If the PC is already physically connected to the EZ ZONE PM control click the next button to go on line Note When establishing communications from PC to the EZ ZONE PM control an interface converter will be required The Standard Bus network uses EIA 485 as the interface Most PCs today would require a USB to EIA 485 converter However some PCs may still be equipped with EIA 232 ports therefore an EIA 232 to EIA 485 converter would be required As can be seen in the above screen shot the software provides the user with the option of downloading
108. ed must be connected to S1 To reduce errors the extension wire for thermocouples must be of the same alloy as the thermocouple s1 PM AAAA xl Input 1 RTD Slot A SIot A platinum 100 and 1 000 Q 0 C calibration to DIN curve 0 00385 0 0 C 20 Q total lead resistance RTD excitation current of 0 09 mA typical Each ohm of lead resistance may affect the reading by 0 03 C For 3 wire RTDs the S1 lead usually white must s2 T4 be connected to R1 5 For best accuracy use a 3 wire RTD to compensate S S1 s3 S1 for lead length resistance All three lead wires must R1 R1 have the same resistance i PM _ AAAA 2 wire 3 wire Input 1 Process Slot A SIot A E 0 to 20 mA 100 Q input impedance rr e 0 to 10V dc 9 20 kO input impedance 0 to 50 mV dc 20 kO input impedance scalable 6 PM AAAA S1 S1 LI AR volts amperes Input 1 Potentiometer mon terminal are referenced Slot A to different voltages and must remain isolated e Use a 1 KQ potentiometer PM_____ AAAA E S1 CCW R1 Watlow EZ ZONE PM PID Controller e 17 Chapter 2 Install and Wire N A Warning Use National Electric NEC or other country specific standard wiring and safety practices when wiring and connecting this controller to a power source and to elec trical sensors or peripheral devices Failure to do so may result in damage to equip
109. ed by double rein forced insulation for shock hazard prevention Do not throw in trash use proper recycling techniques or consult manufacturer for proper disposal cC PC Enclosure made of Polycarbonate material Use proper recycling techniques or consult manufac turer for proper disposal Unit can be powered with either alternating current ac voltage or direct current dc voltage Unit is a Listed device per Un derwriters Laboratories It has been evaluated to United States and Canadian requirements for Process Control Equipment UL 61010 and CSA C22 2 No 61010 File E185611 QUYX QUYX7 See www ul com c US 93RL PROCESS CONTROL EQUIPMENT Unit is a Listed device per Un derwriters Laboratories It has been evaluated to United States and Canadian requirements for Hazardous Locations Class 1 Division II Groups A B C and D ANSI ISA 12 12 01 2007 File E184390 QUZW QUZW7 See www ul com Q0 2581 LISTED PROC CONT EQ FOR HAZARDOUS LOCATIONS CE APPROVED SR DeviceNet CONMORMIACE TESTED EtherNet IP conformance tested Unit is compliant with European Union directives See Declaration of Conformity for further details on Directives and Standards used for Compliance Unit has been reviewed and ap proved by Factory Mutual as a Temperature Limit Device per FM Class 3545 standard See www fmglobal com Unit has been reviewed and ap proved by CS
110. ed in an Assembly Definition Address its cor responding working address will return that param eter s actual value If it s a writable parameter writ ing to its working register will change the param eter s actual value As an example Modbus register 360 contains the Analog Input 1 Process Value See Operations Page Analog Input Menu If the value 360 is loaded into Assembly Definition Address 91 the process value sensed by analog input 1 will also be stored in Mod bus registers 250 and 251 Note that by default this parameter is also stored in working registers 240 and 241 as well The table See Appendix Modbus Programmable Memory Blocks identified as Assembly Definition Addresses and Assembly Working Addresses reflects the assemblies and their associated addresses Watlow EZ ZONE PM PID Controller e 86 e Chapter 9 Features Software Configuration Using EZ ZONE Configurator Software To enable a user to configure the PM control using a personal computer PC Watlow has provided free software for your use If you have not yet obtained a copy of this software insert the CD Controller Sup port Tools into your CD drive and install the soft ware Alternatively if you are viewing this document electronically and have a connection to the internet simply click on the link below and download the soft ware from the Watlow web site free of charge http www watlow com products software zone_config cfm Once th
111. endix How to Reach Us Corporate Headquarters Watlow Electric Manufacturing Company 12001 Lackland Road St Louis MO 63146 Sales 1 800 WATLOW2 Manufacturing Support 1 800 4WATLOW Email info watlow com Website www watlow com From outside the USA and Canada Tel 1 314 878 4600 Fax 1 314 878 6814 Latin America Watlow de M xico S A de C V Av Fundici n No 5 Col Parques Industriales Quer taro Qro CP 76130 Mexico Tel 52 442 217 6235 Fax 52 442 217 6403 Asia and Pacific Watlow Singapore Pte Ltd 16 Ayer Rajah Crescent 06 03 04 Singapore 139965 Tel 65 6773 9488 Fax 65 6778 0323 Email info watlow com sg Website www watlow com sg Watlow Australia Pty Ltd 4 57 Sharps Road Tullamarine VIC 3043 Australia Tel 61 3 9335 6449 Europe Watlow France Tour d Asni res 4 Avenue Laurent C ly 92600 Asni res sur Seine France T l 33 0 1 41 32 79 70 T l copie 33 0 1 47 33 36 57 Email info watlow fr Website www watlow fr Watlow GmbH Postfach 11 65 Lauchwasenstr 1 D 76709 Kronau Germany Tel 49 0 7253 9400 0 Fax 49 0 7253 9400 900 Email info watlow de Website www watlow de Watlow Italy S r l Viale Italia 52 54 20094 Corsico MI Italy Tel 39 024588841 Fax 39 0245869954 Email italyinfo watlow com Website www watlow it Watlow Ib rica S L U C Marte 12 Posterior Local 9 E 28850 Torrej n de Ardoz Madrid Spain T 3
112. er 127 g 4 5 oz Controller 284 g 10 oz 1 16 DIN PM6 1 4 DIN PM4 Controller 186 g 6 6 oz Controller 331 g 11 7 oz User Manual User manual 221 81 g 7 82 oz Modbus is a trademark of AEG Schneider Automation Inc EtherNet IP is a trademark of ControlNet International Ltd used under license by Open DeviceNet Vendor Association Inc ODVA Dimensions Display Character Height 100 8 mm 3 97 in 100 3 mm 3 95 in 100 3 mm 3 95 in 101 6 mm 4 00 in UL is a registered trademark of Underwriters Laboratories Inc DeviceNet is a trademark of Open DeviceNet Vendors Associatlon Note These specifications are subject to change without prior no tice Watlow EZ ZONE PM PID Controller 96 o Appendix Ordering Information for PID Controller Models Controller PM EZ ZONE PID Controller Models TRU TUNE Adaptive Tune red green 7 segment displays Package Size Panel Mount 1 32 DIN Panel Mount 1 16 DIN Panel Mount 18 DIN Vertical Panel Mount 18 DIN Horizontal Panel Mount 14 DIN Horizontal rimary Function PID Controller with Universal Input PID Controller with Universal Input and Profiling Ramp and Soak PID Controller with Universal Input and Profiling Ramp and Soak and Battery Backup with Real Time Clock PID Controller with Thermistor Input PID Controller with Thermistor Input and Profiling Ramp and Soak PID Controller with Thermistor Input and Pr
113. ercent and attempts to drive the process variable 4 Set Electrical Input Offset Factory Page toward the set point Enter a set point and heat and cool Calibration Menu for this input to the offset value power limits that are within the safe operating limits of your 5 Check the Electrical Measurement to see whether system it now matches the signal If it doesn t match ad just Electrical Input Offset again Inputs 6 Apply the high source signal to the input Mea sure the signal to ensure it is accurate Calibration Offset 7 Read the value of Electrical Measurement for Calibration offset allows a device to compensate for that input an inaccurate sensor lead resistance or other factors 8 Calculate the gain value by dividing the low that affect the input value A positive offset increases source signal by this value the input value and a negative offset decreases the 9 Set Electrical Input Slope Factory Page input value Calibration Menu for this input to the calculated The input offset value can be viewed or changed gain value with Calibration Offset Operations Page 10 Check the Electrical Measurement to see wheth Analog Input Menu er it now matches the signal If it doesn t match adjust Electrical Input Slope again Set Electrical Input Offset to 0 and Electrical Input EAEN Slope to 1 to restore factory calibration Negative Calibration Offset will te for the diff Temperature Reading f hiesn the qnie
114. et the linearization to match the thermocouple wired to this input Analog Input 1 RTD Leads Set to match the number of leads on the RTD wired to this input Analog Input 1 Units Set the type of units the sensor will measure Analog Input 1 Scale Low Set the low scale for pro cess inputs This value in millivolts volts or mil liamps will correspond to the Range Low output of this function block Set the high scale for process inputs This value in millivolts volts or mil liamps will correspond to the Range High output of this function block Analog Input 1 Range Low Set the low range for this function block s output Note Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only Setup Page CIP Class Instance Attribute hex dec 0x68 104 1 5 0x68 104 1 6 0x68 104 1 7 0x68 104 1 0x2A 42 Modbus Rela tive Address Default oF F Off 62 EC Thermocouple 95 P Millivolts 56 uol E Volts dc 104 PAA Milliamps dc 112 c 01H RTD 100 Q 113 c LOH RTD 1 000 Q 114 PoE Potentiometer 1 kQ 155 EHKE Thermistor 229 vi Instance 1 Map 1 Map2 368 368 bl B 11 Cc 15 d D 23 EE 26 F F 30 J J 46 H K 48 n N 58 r R 80 5 S 84 E T 93 Instance 1 Map1 Map2 370 370
115. etween the process value and the set point Then the controller applies power to a control output load to reduce that difference If a valid input signal is not present the control ler will indicate an input error message in the upper display and in the lower display and respond to the failure according to the setting of Input Error Failure FA L You can configure the controller to perform a bumpless transfer b PL 5 switch power to output a preset fixed level 7 784 or turn the out put power off Bumpless transfer will allow the controller to transfer to the manual mode using the last power value calculated in the auto mode if the process had stabilized at a 5 percent output power level for the time interval of Time Integral Operations Page Loop prior to sensor failure and that power level is less than 75 percent 4 Set Point Actual Temperature Shes Break Temperature 100 Output Power 40 ees Power lt 2 minutes S Locks in Output 0 Power Time Input Error Latching Setup Page Ana log Input Menu determines the controller s response once a valid input signal returns to the controller If latching is on then the controller will continue to indicate an input error until the error is cleared To clear a latched alarm press the Advance Key then the Up Key O If latching is off the controller will automatically clear the input error and return to reading the tem perature If the con
116. gisters 268 amp 269 Value of Pointer 35 Registers 110 amp 111 Pointer 36 2540 amp 2541 Profile Action Request Registers 270 amp 271 Value of Pointer 36 Registers 112 amp 113 Pointer 37 2524 amp 2525 Active File Registers 272 amp 273 Value of Pointer 37 Registers 114 amp 115 Pointer 38 2526 amp 2527 Active Step Registers 274 amp 275 Value of Pointer 38 Registers 116 amp 117 Pointer 39 2528 amp 2529 Active Set Point Registers 276 amp 277 Value of Pointer 39 Registers 118 amp 119 Pointer 40 2536 amp 2537 Step Time Remaining Registers 278 amp 279 Value of Pointer 40 Watlow EZ ZONE PM PID Controller 94 Appendix Specifications LineVoltage Power Minimum Maximum Ratings 85 to 264V ac 47 to 63Hz 20 to 28V ac 47 to 63Hz 12 to 40V dc 14VA maximum power consumption PM4 8 amp 9 10VAmaximum power consumption PM3 amp 6 Data retention upon power failure via nonvolatile memory Compliant with SEMIF47 0200 FigureR1 1 voltage sag require ments 24V ac or higher Environment 0 to 149 F 18 to 65 C operating temperature 40 to 185 F 40 to 85 C storage temperature 0 to 90 RH non condensing Accuracy Calibration accuracy and sensor conformity 0
117. gs Recording setup and operations parameter settings for future reference is very important If you uninten tionally change these you will need to program the correct settings back into the controller to return the equipment to operational condition After you program the controller and verify prop er operation use User Save Set Setup Page Global Menu to save the settings into either of two files in a special section of memory If the settings in the controller are altered and you want to return the controller to the saved values use User Restore Set US c c Setup Page Global Menu to recall one of the saved settings A digital input or the Function Key can also be configured to restore parameters Note Only perform the above procedure when you are sure that all the correct settings are programmed into the controller Saving the settings overwrites any previously saved collection of settings Be sure to document all the controller settings Programming the Home Page Watlow s patented user defined menu system im proves operational efficiency The user defined Home Page provides you with a shortcut to monitor or change the parameter values that you use most of ten You can create your own Home Page with as many as 20 of the active parameters When a param eter normally located in the Setup Page or Opera tions Page is placed in the Home Page it is acces sible through both If you change a parameter in the Hom
118. hat this or an equivalent Quencharc be used when connecting inductive loads to PM outputs SSeS Sea Ss Quencharc kA Standard Bus EIA 485 Communications Slot C CD CE CF common T R T R e Wire T R to the A terminal of the EIA 485 port Wire T R to the B terminal of the EIA 485 port e Wire common to the common terminal of the EIA 485 port Do not route network wires with power wires Connect net work wires in daisy chain fash ion when connecting multiple devices in a network Do not connect more than 16 EZ ZONE PM controllers on a network maximum network length 1 200 meters 4 000 feet 1 8th unit load on EIA 485 bus Modbus RTU or Standard Bus EIA 485 Communications Slot C CC CA CB common T R T R Wire T R to the A terminal of the EIA 485 port Wire T R to the B terminal of the EIA 485 port Wire common to the common terminal of the EIA 485 port Do not route network wires with power wires Connect net work wires in daisy chain fash ion when connecting multiple devices in a network A termination resistor may be required Place a 120 Q resistor across T R and T R of last controller on network Only one protocol per port is available at a time either Mod bus R
119. he controller do not connect wires to unused terminals Note Maintain electrical isolation between analog input 1 digi tal input outputs switched dc open collector outputs and process outputs to prevent ground loops Note The control output common terminal and the digital com mon terminal are referenced to different voltages and must remain isolated Quencharc Note Switching pilot duty inductive loads relay coils solenoids etc with the mechanical relay solid state relay or open collector output options requires use of an R C sup pressor Output 1 Solid State Relay Form A Slot A normally open L1 common K1 e 0 5 A at 20 to 264V ac maxi mum resistive load 20 VA 120 240V ac pilot duty opto isolated without contact suppression maximum off state leakage of 105 microamperes output does not supply power Do not use on dc loads See Quencharc note PM _ K AAAA 1 Amp SSR Derating Curve L1 K1 eaiy DuneiedQ ayes 50 60 o Ambient Temperatue C Output 2 Switched DC SIot A W2 7 HYv2 10 mA dc maximum supply cur rent short circuit limited to 50 mA age solid state relay DI
120. he Open Loop Detect Deviation value must oc cur for this time period to trigger an open loop error Note Setup Page Default oF F Off sets output power to 0 62 Bumpless main tains same output power ifit was less than 7596 and stable otherwise 0 14 Manual Fixed sets output power to Manual Power setting 33 USE User sets output power to last open loop set point the user en tered 100 oF F Off sets output power to 0 62 Bumpless main tains same output power ifit was less than 7596 and stable otherwise 0 14 Manual Fixed sets output power to Manual Power setting 33 USE User sets output power to last open loop set point the user en tered 100 Set Point Open Loop Limit Low to Set Point Open Loop Limit High Setup Page nol No 59 YES Yes 106 0 to 3 600 seconds Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only Modbus Rela tive Address Instance 1 Map1 Map2 Instance 1 Map1 Map2 2182 2662 Instance 1 Map1 Map2 2184 2664 Instance 1 Map1 Map2 2180 2660 Instance 1 Map1 Map2 1922 2402 Instance 1 1924 2404 CIP Class Instance Attribute hex dec 0x97 151 1 0x1C 28 Ox6B 107 1 0xC 12 Ox6B 107 1 OxD 13 Ox6B 107 1 OxB 11 0x97 151 1 0x16 22 0x97 151 1 0x17 23
121. he alarm low set point defines the temperature that will trigger a low side alarm It must be lower than the alarm high set point and higher than the low limit of the sensor range Watlow EZ ZONE PM PID Controller 82 o Chapter 9 Features View or change alarm set points with Low Set Point and High Set Point Operations Page Alarm Menu Alarm Hysteresis An alarm state is triggered when the process value reaches the alarm high or alarm low set point Alarm hysteresis defines how far the process must return into the normal operating range before the alarm can be cleared Alarm hysteresis is a zone inside each alarm set point This zone is defined by adding the hysteresis value to the alarm low set point or subtracting the hysteresis value from the alarm high set point View or change alarm hysteresis with Hysteresis Setup Page Alarm Menu A ESTE Aarm Range Alarm High Set Point Alarm Hysteresis Normal Operating Range Temperature 4 Alarm Hysteresis Alarm Low Set Point Low Side Alarm Range Time Alarm Latching A latched alarm will remain active after the alarm condition has passed It can only be deactivated by the user An active message such as an alarm message will cause the display to toggle between the normal settings and the active message in the upper display and in the lower display Push the Advance Key to display in the upper display and the message source in the lowe
122. he appropri ate password those menus will remain inaccessible If Password Enabled P A 5 in the Factory Page under the Menu is set to on an overriding Password Security will be in effect When in effect the only Pages that a User without a password has visibility to are defined in the Locked Access Level LoC L prompt On the other hand a User with a password would have visibility restricted by the Read Lockout Security e L o C As an example with Pass word Enabled and the Locked Access Level t o C L set to 1 and mc L oC is set to 3 the available Pages for a User without a password would be limited to the Home and Factory Pages locked level 1 If the User password is entered all pages would be acces sible with the exception of the Setup Page as defined by level 3 access How to Enable Password Security Go to the Factory Page by holding down the Infinity key and the Advance key for approximately six seconds Once there push the Down Q key one time to get to the menu Again push the Advance key until the Password Enabled P A 5 E prompt is visible Lastly push either the up or down key to turn it on Once on 4 new prompts will appear 1 Lo L Locked Access Level 1 to 5 correspond ing to the lockout table above 2 coL L Rolling Password will change the Cus tomer Code every time power is cycled 3 PR 5 u User Password which is needed for a Us er to acquire access to the control 4
123. he sys tem s response Autotuning can be enabled whether or not TUNE TUNE is enabled The PID settings generated by the autotune will be used until the au totune feature is rerun the PID values are manually adjusted or TRU TUNE is enabled To initiate an autotune set Autotune Request Operations Page Loop Menu to YES You should not autotune while a profile is running If the autotune cannot be completed in 60 minutes the autotune will time out and the original settings will take effect The lower display will flash between and the set point while the autotuning is underway The temperature must cross the Autotune Set Point five times to complete the autotuning process Once com plete the controller controls at the normal set point using the new parameters Select a set point for the tune with Autotune Set Point The Autotune Set Point is expressed as a per cent of the Closed Loop Set Point If you need to adjust the tuning procedure s ag gressiveness use Autotune Aggressiveness Setup Page Loop Menu Select under damped to bring the process value to the set point quickly Select over damped to bring the pro cess value to the set point with minimal overshoot Select critical damped to balance a rapid re sponse with minimal overshoot Process Set Point 4 Autotune begins Autotune complete ES Autotune Set Point 90 percent of Process Set Point Temperature Time Watlow EZ ZONE PM
124. ill be mapped to output 10 Linearization 1 Output Point 10 Set the value that will be mapped to input 10 Process Value 1 Function Set the function that will be applied to the source or sources Range 1 999 000 to 9 999 000 1 999 000 to 9 999 000 1 999 000 to 9 999 000 1 999 000 to 9 999 000 1 999 000 to 9 999 000 1 999 000 to 9 999 000 1 999 000 to 9 999 000 1 999 000 to 9 999 000 1 999 000 to 9 999 000 1 999 000 to 9 999 000 Off 62 ALE Pressure to Alti tude 1649 Setup Page Modbus Rela Default tive Address Instance 1 Map1 Map2 3584 Instance 1 Map 1 Map2 3604 Instance 1 Map 1 Map2 3586 Instance 1 Map 1 Map 2 3606 Instance 1 Map 1 5 0 5 0 7 0 Map 2 3588 0 7 Instance 1 Map1 Map2 3608 Instance 1 Map 1 Map2 3590 Instance 1 Map 1 Map2 3610 Instance 1 Map 1 Map2 3592 Instance 1 Map 1 Map 2 3612 Instance 1 Map 1 Map2 3320 CIP Class Instance Attribute hex dec 0x86 134 1 OxD 13 0x86 134 1 0x17 23 0x86 134 1 OxE 14 0x86 134 1 0x18 24 0x86 134 1 OxF 15 0x86 134 1 0x19 25 0x86 134 1 0x10 16 0x86 134 1 Ox1A 26 0x86 134 1 0x11 17 0x86 134 1 0x1B 27 Ox7E 126 1 0x15 21 Param eter ID 34013 Note Some values will be rounded off to fit in the four character display Full values can be read with o
125. ill resume where it left off provided time set has not expired prior to power restoration Global Menu Communications LED Action Turns comms LED on or off for selected comms ports Global Menu Zone Turns Zone LED on or off based on selection read with other interfaces Setup Page Default 0 0 to 9 999 000 F or units 10 0 F or c ALE Rate 81 E Time 143 St Pt Set Point 85 Pro Process 75 oF F Off 62 on On 63 0 0 to 5 555 000 C 0 to 9999 seconds Con 1 Comm port 2 1189 Cong Comm port 1 1190 both Comm port 1 and 2 13 oF F Off 62 oF F Off 62 on On 63 Available with PM4 PM8 and PM9 models only Modbus Rela tive Address Instance 1 Map1 Map2 4414 Instance 1 Map 1 Map2 2534 4354 Instance 1 Map 1 Map2 2530 4350 Instance 1 Map 2 Instance 1 Map 1 Map2 4390 Instance 1 Map 1 Map2 4392 Instance 1 Map 1 Map2 4484 Instance 1 Map 1 Map2 1856 2326 Instance 1 Map 1 Map2 2350 CIP Class Instance Attribute hex dec 0x7A 122 1 26 38 Ox7A 122 1 8 Ox7A 122 1 6 Ox7A 122 1 7 Ox7A 122 l 0x1A 26 7A 122 1 Ox1B 27 7A 122 1 0x49 73 0x6A 103 1 OxOE 14 0x6A 103 1 0x1A 26 Watlow EZ ZONE PM PID Controller Chapter 6 Setup Page Setup Page Default On Parameter Name Description Global Menu Channel Turns Channel LED on or
126. ime g t prompt to something greater than 0 If set to 2 the display will scroll every 2 seconds from one Display Pair to an other If the Display Pair prompt is set to 1 the Display Time g prompt will have no effect on the display Watlow EZ ZONE PM PID Controller 28 e Chapter 4 Home Page Home Page Defaults All Models Home Page Display Active Process Value 1 Active Set Point 1 User Control Mode 1 Heat Power 1 Cool Power 1 utotune 1 dle 1 Start Profile Action Request nl x None j None one None None None ZZ n None None one 6 8 9 17 None value value PAC The fourth digit of the part number must be PM _ IR B Nor E Parameter Page and Menu Operations Page Monitor Menu Operations Page Monitor Menu Operations Page Monitor Menu Watlow EZ ZONE PM PID Controller s 29 o Chapter 4 Home Page Navigating the EZ ZONE PM PID Controller Applies to All Models 1 16 DIN Shown Below EZ ZONE EZ ZONE SEED EZ ZONE9 EZ ZONE9 E21 e o Home Page from anywhere Press the Infinity Factory Page from Home Page Press both the Key for two seconds to return to the Home Page Advance and Infinity keys for six seconds EZ ZONE EZ ZONE EFI foe A v Operations Page from Home Page Press both the Up O and Down Q keys for three seconds
127. ing on the con trol when running A user may want to en able password protec tion view the control part number or perhaps create a custom Home Page Home Page The control is at the Home Page when ini tially powered up Profile Page Push and hold the the 6 seconds to enter See the Profile Page for fur ther information green Advance key for Pushing the green Advance key will al low the user to see and change such parameters as the control mode en able autotune and idle set point to name a few If equipped with this feature a user would want to go here to con figure a profile The default PM loop configuration out of the box is shown below Analog Input functions set to thermocouple type Heat algorithm set for PID Cool set to off Output 1 set to Heat Control mode set to Auto e Set point set to 75 F If you are using the input type shown above simply connect your input and output devices to the control Power up the control and push the up arrow O on the face of the control to change the set point from the default value of 75 F to the desired value As the Set Point increases above the Process Value output 1 will come on and it will now begin driving your out put device The PV function as shown in the graphic below is only available with PM4 8 9 models Note The output cycle time will have a bearing on the life of mechanical relay outputs and can
128. iption Output Digital 1 to 2 High Power Scale The power output will never be greater than the value specified and will represent the value at which output scaling stops o hi Output Digital 1 pe Select whether the pro cess output will operate in volts or milliamps Output Process 1 Function Set the type of function that will drive this out put Off 62 Duplex 212 Cool 20 Heat 36 Retransmit 213 E nE b Profile Event Out n B 234 A Profile Event Out 3 Alarm 6 Output Process 1 Retransmit Source Select the value that will be retransmitted Analog Input 142 Set Point 85 Current 22 Cure Output Process 1 1to4 Function Instance Set the instance of the function selected above Output Process 1 Scale Low Set the minimum value of the output range Output Process 1 Scale High Set the maximum value of the output range Output Process 1 Range Low Set the minimum value of the retransmit value range in process units When the retransmit source is at this value the retransmit output will be at its Scale Low value Note Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only CIP Class Instance Attribute hex dec Ox6A 106 1to2 OxA 10 0x76 118 0x76 118 2 0x76 118 3 0x76 118 4 0x76 118 1 9 0x
129. ire 1 16 DIN g 19 8 mm EE 0 62 in 101 6 mm e 4 00 in OT Ca D i ar CH n p J CH a4 Q JO B Side amp ll cz mice e c 7 SS Sag 1 51 2 mm j gt p 2 02 in C 2 C gt L cc gt 8 XL IJ 5 XJ I Top 45 2 mm 1 78 in 53 3 mm 2 10 in lg 2 10 in 693 NS o e 6 5 j Front d m H L1 L3 J 98 Ki K3 99 1 J3 cF L2 L4 cD K2 K4 CE T T2 B5 s1 s2 D6 mir Rap D5 REE T jja Back 45 2 mm 1 78 in panel thickness 1 53 to 9 52 mm 0 060 to 0 375 21 6 mm 0 85 in 21 6 mm 0 85 in Watlow EZ ZONE PM PID Co ntroller e 8 o Chapter 2 Install and Wire 1 8 DIN PM8 Ver
130. it available Modbus reg isters to 40001 to 49999 5 digits Many applications today require access to all available Modbus regis ters which range from 400001 to 465535 6 digits Watlow controls support 6 digit Modbus registers For parameters listed as float notice that only one low order of the two registers is listed this is true throughout this document By default the low order word contains the two low bytes of the 32 bit param eter As an example look in the Operations Page for the Process Value Find the column identified in the header as Modbus and notice that it lists register 360 Because this parameter is a float it is actually represented by registers 360 low order bytes and 361 high order bytes Because the Modbus specifica tion does not dictate which register should be high or low order Watlow provides the user the ability to swap this order Setup Page of Menu from the default low high L o to high low h ilo Note With the release of firmware revision 7 00 and above new functions where introduced into this product line With the introduction of these new functions there was a reorganization of Modbus registers Notice in the column identified as Mod Watlow EZ ZONE PM PID Controller e 3 a Chapter 4 Home Page bus the reference to Map 1 and Map 2 registers for each of the various parameters If the new func tions namely Linearization Process Value and Real Time Clock are to be
131. ith a password is restricted by the Read Lockout Security c L o C never having ac cess to the Lock Menu lt of An Administrator is restricted according to the Read Lockout Security c L o C however the Ad ministrator has access to the Lock Menu where the Read Lockout can be changed Modbus Using Programmable Memory Blocks When using the Modbus protocol the PM control fea tures a block of addresses that can be configured by the user to provide direct access to a list of 40 user configured parameters This allows the user easy ac cess to this customized list by reading from or writ ing to a contiguous block of registers To acquire a better understanding of the tables found in the back of this manual See Appendix Modbus Programmable Memory Blocks please read through the text below which defines the column headers used Assembly Definition Addresses Fixed addresses used to define the parameter that will be stored in the Working Addresses which may also be referred to as a pointer The value stored in these addresses will reflect point to the Modbus address of a parameter within the ST control Assembly Working Addresses Fixed addresses directly related to their associ ated Assembly Definition Addresses i e As sembly Working Addresses 200 amp 201 will as sume the parameter pointed to by Assembly Defi nition Addresses 40 amp 41 When the Modbus address of a target parameter is stor
132. key to execute the action Alternatively rather than scrolling through all messages simply push the Infinity button to generate a clear an alarm or error message is active L ALLE ALLS Alarm Low 1 to 4 BLh 1 ALA ALAJ Alarm High 1 to 4 ALE 1 ALE ALEJ Alarm Error 1 to 4 Error Input 1 Tuning 1 Ramping 1 Loop Open Error 1 Loop Reversed Error 1 Ec il tun P Watlow EZ ZONE PM PID Controller 27 e Chapter 3 Keys and Displays Chapter 4 Home Page Default Home Page Parameters Watlow s patented user defined menu system im proves operational efficiency The user defined Home Page provides you with a shortcut to monitor or change the parameter values that you use most of ten The default Home Page is shown on the follow ing page When a parameter normally located in the Setup Page or Operations Page is placed in the Home Page it is accessible through both If you change a parameter in the Home Page it is automatically changed in its original page If you change a param eter in its original page it is automatically changed in the Home Page The Attention parameter appears only if there is an active message An example of an active message could be an Input Error Er I or it could be for information only like Autotune taking place Use the Advance Key to step through the other parameters When not in pairs the parameter prompt will appear in the lower display
133. l be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only Watlow EZ ZONE PM PID Controller Chapter 6 Setup Page Setup Page CIP Dis Parameter Name Modbus Rela Class 1 eye Default tive Instance play Description Address Attribute hex dec C Fa Function Key 1 to 2 None 61 Instance 1 Ox6E 110 Fn Digital Input Function Profile Start Step Map1 Map2 1to2 Program the EZ Key to 1324 1564 3 trigger an action Profile Start Stop Instance 2 Functions respond to a level triggered 208 Map 1 Map2 level state change or an Pr oF Profile Start Num 1344 1584 edge level change ber edge triggered 196 P oL Profile Hold Resume level triggered 207 Pd 5 Profile Disable level triggered 206 EJA TRU TUNE Dis able level triggered 219 oF F Control Outputs Off level triggered 90 PAn Manual Auto Mode level triggered 54 EUnE Tune edge trig gered 98 d L E Idle Set Point En able level triggered 107 FAL Force Alarm level triggered 218 Aof Alarm Outputs amp Control Loop Off level triggered 220 l Silence Alarms edge triggered 108 ALP Alarm Reset edge triggered 6 PL oC Lock Keypad level triggered 217 lu 5 c c Restore User Set tings edge triggered 227 Function Key 1 to 2 Instance 1 0x96 110 Instance Map1 Map2 1to2 Select which instance the
134. l by adjusting the output when the temperature or process value is within a proportional band When the value is in the band the controller adjusts the output based on how close the process value is to the set point The closer the process value is to the set point the lower the output power This is similar to backing off on the gas pedal of a car as you approach a stop sign It keeps the temperature or process value from swinging as widely as it would with simple on off control However when the system settles down the temperature or process value tends to droop short of the set point With proportional control the output power level equals set point minus process value divided by the proportional band value In an application with one output assigned to heating and another assigned to cooling each will have a separate proportional parameter The heating parameter takes effect when the process temperature is lower than the set point and the cooling param eter takes effect when the process temperature is higher than the set point Adjust the proportional band with Heat Pro portional Band or Cool Proportional Band Operations Page Loop Menu Set Point Eois Proportional Band Droop Temperature Time Proportional plus Integral PI Control The droop caused by proportional control can be cor rected by adding integral reset control When the system settles down the integral value is tuned to
135. le The power output will never be less than the value specified and will represent the value at which output scaling begins Off 62 Profile Event Out Cool 20 Heat 36 Alarm 6 FEb Fixed Time Base 34 ut b Variable Time Base 103 0 1 to 60 0 seconds solid state relay or switched dc 5 0 to 60 0 seconds me chanical relay or no arc power control 0 0 to 100 0 Instance 1 Map 1 Map2 888 1008 Offset to next instance Map 1 amp Map 2 equals 30 Instance 1 Map 1 Map2 890 1010 Offset to next instance Map 1 amp Map 2 equals 30 Instance 1 Map 1 Map2 882 1002 Offset to next instance Map 1 amp Map 2 equals 30 Instance 1 Map 1 Map2 884 1004 Offset to next instance Map 1 amp Map 2 equals 30 Instance 1 Map 1 Map2 896 1016 Offset to next instance Map 1 amp Map 2 equals 30 0x6A 106 1to2 5 0x6A 106 1to2 6 0x6A 106 1to4 2 0x6A 106 1to2 3 0x6A 106 1to2 9 Note Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only Watlow EZ ZONE PM PID Controller Chapter 6 Setup Page Setup Page n 0 0 to 100 0 100 0 Volts 104 PRA Milliamps 112 Analog Input 100 0 to 100 0 a 100 0 to 100 0 10 00 1 999 000 to 9 999 000 F or units 1 128 000 to 5 537 000 C Parameter Name Descr
136. ller and a high performance PID controller all in space saving panel mount packages You can also select from a number of se rial communications options to help you manage sys tem performance It just got a whole lot easier to solve the thermal requirements of your system Because the EZ ZONE PM controllers are highly scalable you only pay for what you need So if you are looking for a PID con troller an over under limit controller or an integrat ed controller the EZ ZONE PM is the answer Standard Features and Benefits Advanced PID Control Algorithm e TRU TUNE Adaptive tune provides tighter con trol for demanding applications e Auto Tune for fast efficient start ups High amperage Power Control Output e Drives 15 amp resistive loads directly e Reduces component count e Saves panel space and simplifies wiring Reduces the cost of ownership EZ ZONE configuration communications and software e Saves time and improves the reliability of control ler set up Parameter Save amp Restore Memory Reduces service calls and down time Agency approvals UL Listed CSA CE RoHS W E E E FM Assures prompt product acceptance Reduces end product documentation costs Semi F47 0200 P3T Armor Sealing System e NEMA 4X and IP66 offers water and dust resis tance can be cleaned and washed down indoor use only Backed up by UL 50 independent certification to NEMA 4X specification Three year warranty
137. loop open loop Obtain correct controller model for application Turn on power Replace fuse Reset breaker Close interlock switch Reset limit Correct wiring issue Apply correct voltage check part number Set unique addresses on net work Match protocol between devices Match baud rate between de vices Match parity between devices Correct wiring issue Check settings or replace con verter Set correct communication port Correct software setup to match controller e Place 120 Q resistor across EIA 485 on last controller Watlow EZ ZONE PM PID Controller 91 Appendix Possible Causes Corrective Action Process doesn t control to set point Temperature runway 100 Device Error Menus inaccessible EZ Key doesn t work Process is unstable or never Controller not tuned correctly Perform autotune or manually reaches set point tune system e Control mode is incorrectly set Set control mode appropriately Open vs Closed Loop e Control set point is incorrect Set control set point in appro priate control mode and check source of set point remote idle profile closed loop open loop Process value continues to in e Controller output incorrectly e Verify output function is correct crease or decrease past set programmed heat or cool point Thermocouple reverse wired Correct sensor wiring red wire negative Controller output wired
138. lope of the in Instance 2 OxB 11 put value Map1 Map 460 470 Calibration 1 or 3 1 999 000 to 9 999 000 18005 Electrical Output Offset Change this value to cali brate the low end of the output range Menu 2 calibrates output 3 Calibration 1 or 3 1 999 000 to 9 999 000 i 18006 Electrical Output Slope Adjust this value to cali brate the slope of the out put value Menu 2 calibrates output 3 Note R Read Some values will be rounded off to fit in the four character display Full values can be W Write read with other interfaces EM S User If there is only one instance of a menu no submenus will appear Set Watlow EZ ZONE PM PID Controller e 72 Chapter 8 Factory Page Chapter 9 Features Saving and Restoring User Settings 0000 cece eee 74 Programming the Home Page 00 ee eee eens 74 Tuning the PID Parameters 0 0 c cece eee eee ees 74 Manual Tuning 2 ccc cee eee eens 75 Autotuning with TRU TUNE 0 0 ee eee 75 INPINS oes cee Rewind B46 anes OR RE Sa ra E ER Ere Re 76 Calibration OffSet scat eee Gans oad ettet Eds 76 GallBFAEOT coco tec See aa otia eo te bee Iason Apres ad es 76 Filter Time Constant 00 000 77 Set Point Low Limit and High Limit 0005 77 Scale High and Scale Low 0 cece eee eee eee 77 Range High and Range Low 0 cece ee eee 77 OQUIPUIS 3 cn beo ewe enr EE EDI MU ed
139. lt Pointers Registers 40 amp 41 Pointer 1 1880 amp 1881 Loop Control Mode Registers 42 amp 43 Pointer 2 2160 amp 2161 Closed Loop Set Point Registers 44 amp 45 Pointer 3 2162 amp 2163 Open Loop Set Point Registers 46 amp 47 Pointer 4 1480 amp 1481 Alarm 1 High Set Point Registers 48 amp 49 Pointer 5 1482 amp 1483 Alarm 1 Low Set Point Registers 50 amp 51 Pointer 6 1530 amp 1531 Alarm 2 High Set Point Registers 52 amp 53 Pointer 7 1532 amp 1533 Alarm 2 Low Set Point Registers 54 amp 55 Pointer 8 1580 amp 1581 Alarm 3 High Set Point Registers 56 amp 57 Pointer 9 1582 amp 1583 Alarm 3 Low Set Point Registers 58 amp 59 Pointer 10 1630 amp 1631 Alarm 4 High Set Point Assembly Working Addresses Registers 200 amp 201 Value of Pointer 1 Registers 202 amp 203 Value of Pointer 2 Registers 204 amp 205 Value of Pointer 3 Registers 206 amp 207 Value of Pointer 4 Registers 208 amp 209 Value of Pointer 5 Registers 210 amp 211 Value of Pointer 6 Registers 212 amp 213 Value of Pointer 7 Registers 214 amp 215 Value of Pointer Registers 216 amp 217 Value of Pointer 9 Registers 218 a
140. models only Watlow EZ ZONE PM PID Controller e 33 e Chapter 5 Operations Page Parameter Name Display Description Analog Input 1 Process Value View the process value i Er Analog Input 1 Error Status View the cause of the most recent error If the RE En message is E r I or Er 2 this parameter will display the cause of the input error i CA Analog Input 1 Calibration Offset Offset the input reading to compensate for lead wire resistance or other factors that cause the input read ing to vary from the actual process value Linearization Menu Linearization 1 Source Value A View the value of Source A Source A of Linearization 1 is connected to Analog Input 1 Linearization 1 Offset Set an offset to be applied to this function s output Linearization 1 Output Value View the value of this function s output Operations Page Default 1 999 000 to 9 999 000 F or units 1 128 000 to 5 537 000 C None 61 Open 65 Fail 32 Shorted 127 Measurement 140 Bad Calibration 139 Ambient Er RTD Error 141 Not Sourced 1 999 000 to 9 999 000 F or units 1 110 555 to 5 555 000 C 1 999 000 to 9 999 000 F or units 1 128 000 to 5 537 000 C 1 999 000 to 9 999 000 F or units 1 128 000 to 5 537 000 C 1 999 000 to 9 999 000 F or units 1 128 000 to 5 537 000 C Some values will be rounded off to fit in the
141. mp 219 Value of Pointer 10 240 amp 241 242 amp 243 244 amp 245 246 amp 247 248 amp 249 250 amp 251 252 amp 253 254 amp 255 256 amp 257 256 amp 259 260 amp 261 262 amp 263 264 amp 265 266 amp 267 268 amp 269 270 amp 271 272 amp 273 274 amp 275 276 amp 277 278 amp 279 Assembly Definition Addresses Default Pointers Registers 60 amp 61 Pointer 11 1632 amp 1633 Alarm 4 Low Set Point Registers 62 amp 63 Pointer 12 2540 amp 2541 Profile Action Request Registers 64 amp 65 Pointer 13 2520 amp 2521 Profile Start Registers 66 amp 67 Pointer 14 1890 amp 1891 Heat Proportional Band Registers 68 amp 69 Pointer 15 1892 amp 1893 Cool Proportional Band Registers 70 amp 71 Pointer 16 1894 amp 1895 Time Integral Registers 72 amp 73 Pointer 17 1896 amp 1897 Time Derivative Registers 74 amp 75 Pointer 18 1900 amp 1901 Heat Hysteresis Registers 76 amp 77 Pointer 19 1902 amp 1903 Cool Hysteresis Registers 78 amp 79 Pointer 20 1898 amp 1899 Deadband Assembly Working Addresses Registers 220 amp 221 Value of Pointer 11 aS Registers 222 amp 223
142. n Corporation 10F 1 No 189 Chi Shen 2nd Road Kaohsiung 80143 Taiwan Tel 886 7 2885168 Fax 886 7 2885568 Your Authorized Watlow Distributor TOTAL CUSTOMER SATISFACTION Watlow EZ ZONE PM PID Controller 103 Appendix
143. nce tells the controller which of the numbered functions should be acted upon For profiles there are 4 instances Press the Infinity Key once to return to the submenu twice to return to the main menu or three times to return to the Home Page level assigned to it You can change the read and write access to these menus and pages by using the parameters in the Lockout Menu Factory Page Lockout Menu There are five parameters in the Lockout Menu Fac tory Page Lock Operations Page sets the security lev el for the Operations Page default 2 Note The Home and Setup Page lockout levels are fixed and cannot be changed Lock Profiling Page sets the security level for the Profiling Page default 3 e Password Security Enable P A S will turn on or off the Password security feature default off Read Lockout Security determines which pages can be accessed The user can access the se lected level and all lower levels default 5 e Set Lockout Security determines which pa rameters within accessible pages can be written to The user can write to the selected level and all lower levels default 5 The table below represents the various levels of lock out for the Set Lockout Security prompt and the Read Lockout Security prompt The Set Lockout has 6 levels 0 5 of security where the Read Lockout has 5 1 5 Therefore level 0 applies to Set Lockout only Y equates to yes can write read wher
144. nce the Open Loop Error condi tion exists the control mode will go off Note All prompts identified in this section can be found in the Loop Menu of the Setup Page Programming the EZ Key s You can program the EZ Key either in the Setup Menu or with configuration software such as EZ ZONE Configurator using a personal computer The following examples show how to program the EZ Key to start and stop a profile Using keys and display 1 To go to the Setup Page from the Home Page press both the Up and Down keys for six sec onds will appear in the upper display and will appear in the lower display 2 Press the Up Key O until appears in the upper display and will appear in the lower display 3 Press the Advance Key until Digital Input Level appears in the lower display Use an arrow key to specify the state of the key high or low when the controller is powered up Functions will toggle with each press of the EZ Key such as Profile Start Stop 4 Press the Advance Key The lower display will show Digital Function Fna Press the Up or Down Q key to scroll through the functions that can be assigned to the EZ Key When Profile Start Stop appears in the upper display and appears in the lower display press the Advance Key once to select that function and move to the Function Instance parameter 5 Press the Up O or Down Q key to scroll to the profile that you want the EZ Key to control 6 The insta
145. nd Electrical Input em Slope to 1 to restore factory calibration Watlow EZ ZONE PM PID Controller e 76 Chapter 9 Features Filter Time Constant Filtering smoothes an input signal by applying a first order filter time constant to the signal Filter ing the displayed value makes it easier to monitor Filtering the signal may improve the performance of PID control in a noisy or very dynamic system Adjust the filter time interval with Filter Time Setup Page Analog Input Menu Example With a filter value of 0 5 seconds if the process input value instantly changes from 0 to 100 and remained at 100 the display will indicate 100 after five time constants of the filter value or 2 5 seconds A Unfiltered Input Signal Temperature Filtered Input Signal Temperature Time Sensor Selection You need to configure the controller to match the in put device which is normally a thermocouple RTD or process transmitter Select the sensor type with Sensor Type Setup Page Analog Input Menu Set Point Low Limit and High Limit The controller constrains the set point to a value be tween a set point low limit and a set point high limit Set the set point limits with Low Set Point and High Set Point Setup Page Loop Menu There are two sets of set point low and high lim its one for a closed loop set point another for an open loop set point 4 High Limit of selected functional range m Ra
146. ng Use National Electric NEC or other country specific standard wiring and safety practices when wiring and connecting this controller to a power source and to elec trical sensors or peripheral devices Failure to do so may result in damage to equip ment and property and or injury or loss of life Note Maximum wire size termina tion and torque rating e 0 0507 to 3 30 mm 30 to 12 AWG single wire termi nation or two 1 31 mm2 16 AWG e 0 8 Nm 7 0 Ib in torque Note Adjacent terminals may be labeled differently depend ing on the model number Note To prevent damage to the controller do not connect wires to unused terminals Note Maintain electrical isolation between analog input 1 digi tal input outputs switched dc open collector outputs and process outputs to prevent ground loops Note The control output common terminal and the digital com Input 1 Thermocouple Slot A e 2 kQ maximum source resistance e gt 20 MO input impedance 3 microampere open sensor detection Thermocouples are polarity sensitive The negative lead usually r
147. nge High Range between High Limit of Sensor and Range Low Set Point High m Set Point Range must be between Range High and Range Low Set Point REN Range Low Range between Low Limit of Sensor and Range High Gas Pressure Low Limit of selected functional range Scale High and Scale Low When an analog input is selected as process voltage or process current input you must choose the value of voltage or current to be the low and high ends For example when using a 4 to 20 mA input the scale low value would be 4 00 mA and the scale high value would be 20 00 mA Commonly used scale ranges are 0 to 20 mA 4 to 20 mA 0 to 5V 1 to 5V and 0 to 10V You can create a scale range representing other units for special applications You can reverse scales from high values to low values for analog input sig nals that have a reversed action For example if 50 psi causes a 4 mA signal and 10 psi causes a 20 mA signal Scale low and high low values do not have to match the bounds of the measurement range These along with range low and high provide for process scaling and can include values not measureable by the control ler Regardless of scaling values the measured value will be constrained by the electrical measurements of the hardware Select the low and high values with Scale Low and Scale High 5 Select the displayed range with Range Low and Range High Setup Page Analog Input Menu Range High and Rang
148. nt Alarm is set to latching and an alarm occurred in the past ncorrect alarm set point ncorrect alarm source Temperature is greater than alarm set point Alarm is set to latching and an alarm occurred in the past ncorrect alarm set point ncorrect alarm source Sensor improperly wired or open ncorrect setting of sensor type Calibration corrupt Reset alarm when process is within range or disable latching Set output to correct alarm source instance Set alarm source to correct in put instance Correct cause of sensor input out of alarm range Set alarm set point to correct trip point Set alarm to correct type pro cess deviation or power Set digital input function and Source instance Disable alarm silencing if re quired Disable alarm blocking if re quired Set output to correct alarm source instance Set alarm source to correct in put instance Set alarm set point to correct trip point Set alarm to correct type pro cess deviation or power Correct wiring or replace sensor Match setting to sensor used Check calibration of controller Check cause of under tempera ture Clear latched alarm Establish correct alarm set point Set alarm source to proper set ting Check cause of over tempera ture Clear latched alarm Establish correct alarm set point Set alarm source to proper set ting Correct wiring or re
149. nt 37 50 56 Point 36 4 c Input Error Latching 46 o l o Output Low Power Scale CU S E Custom Menu 28 74 r Input Error Status 34 50 55 JdREE Date of Manufacture 71 P i Input Point 1 47 o P Open Loop Set Point 38 db5 Dead Band 38 81 Input Point 2 oP Output Point 2 47 dEC Decimal 46 4 8 3 Input Point 3 o P 3 Output Point 3 47 Watlow EZ ZONE9 PM PID Controller e 98 o Appendix o P Y Output Point 4 47 Output Point 5 47 Output Point 6 48 Output Point 7 48 Output Point 8 48 Output Point 9 48 Output Point 10 48 Output Time Base 50 55 Output Menu 55 Output Type 56 78 Administrator Password 85 A Administrator Password 68 0 Password Enable 68 70 Password 71 Password 68 User Password 85 u User Password 68 70 L Peltier Delay 53 Process Error Enable 46 Process Error Low 46 Part Number 71 Power Out Time 44 Process 47 Profile Status Menu 40 Profile Type 61 Pressure Units 49 Process Value Menu 48 Process Value Active 36 Remote Enable 37 Software Revision 71 Range High 46 57 77 Relative Humidty 47 Range Low 45 56 77 Read Lockout Security 70 A Rolling Password 85 Rolling Password 68 70 Ramp Action 54 82 Ramping 27 Ramping 1 27 Ramping 1 or 2 27 Ramp Rate 54 82 Thermistor Resistance ange 46 Ramp Scale 54 82 Retransmit Source 78 RTD Leads 45 Relative Temperature 47 Ramping Type 61 Software Build 71 33 Seconds 41 Sensor Type 45 75 77 Source Function A 57 Sc
150. o Start a Profile After defining the profile follow the steps below to run the profile 1 From the Home Page push the Advance Key repeatedly until Profile Start P St appears in the lower display 2 Use the Up or Down Q key to choose the file or step number within a profile where you want the profile to begin running 3 Press the Advance Key This takes you to Profile Action PAC 1 where you can select the appropriate action e non E No action e Pr of Begin execution from first step of the specified profile number whether it exists or not PA Pause the currently running profile e ct Resume running the profile from the previously paused step End End the profile E EP Begin running the profile from the spec ified step number as Note Avoid continuous writes within loops Excessive writes to EEPROM will cause premature EEPROM failure The EE PROM is rated for 1 000 000 writes To disable EEPROM writes go to the Setup Page and then the menu Proceed to the AUS prompt and set it to no for 1 2 or both Wait for Event 2 Day of Week C J5 Jump Step C JC Jump Count End Type Event 1 Ent Event 2 Watlow EZ ZONE PM PID Controller 64 Chapter 7 Profiling Page Parameter Name Description Select a step to edit or view Step Type Select a step type Note When configuring the profile type there will be a Time prompt a
151. o move backwards through the levels parameter to submenu sub menu to menu menu to Home Page Press and hold the Infinity Key for two seconds to return to the Home Page Some of these menus and parameters may not appear depending on the controller s options See model number information in the Appendix for more information If there is only one instance of a menu no sub menus will appear Output Point 10 Set Point Open Limit High Analog Input Menu Puf SEn Sensor Type Process Value _SEt Output Menu L n Linearization Fa Function tj to cb RTD Leads Pressure Units ot PE Output Un t Units Aunt Altitude Units Fan Function SL o Scale Low F L Filter F Function Instance Sh Scale High oC E Control r l o Range Low a b Time Base r h Range High Digital Input Output Menu T Low Power Scale PEE Process Error Enable _ Stol 6l ore High Power Scale PEL Process Error Low d 1o Digital Input Output SEPE o tput
152. ofiling Ramp and Soak and Battery Backup with Real Time Clock S Custom Firmware Options B and E are not available with PM3 or PM6 way Roo w E z Power Supply Digital Input Output 1 100 to 240V ac 2 100 to 240V ac plus 2 Digital I O points 3 15 to 36V dc and 24V ac 4 15 to 36V dc and 24V ac plus 2 Digital I O points Output 1 and 2 Hardware Options Output 1 Output 2 CA Switched dc open collector None CH Switched dc open collector NO ARC 15 A power control CC Switched dc open collector Switched dc CJ Switched dc open collector Mechanical relay 5 A form A CK Switched dc open collector Solid State Relay 0 5 A form A EA Mechanical relay 5 A form C None EH Mechanical relay 5 A form C NO ARC 15 A power control EC Mechanical relay 5 A form C Switched dc EJ Mechanical relay 5 A form C Mechanical relay 5 A form A EK Mechanical relay 5 A form C Solid State Relay 0 5 A form A FA Universal process None FC Universal process Switched dc cannot use variable time base FJ Universal process Mechanical relay 5 A form A cannot use variable time base FK Universal process Solid State Relay 0 5 A form A cannot use variable time base AK None Solid State Relay 0 5 A form A KH Solid State Relay 0 5 A form A NO ARC 15 A power control KK Solid State Relay 0 5 A form A Solid state relay 0 5 A form A Options CH EH and KH are not available with PM3 1 32 DIN Communications Options A None 1 EIA
153. ol monitor ing for several different alarm situations and oper ating switched devices such as lights and motors Each process needs to be thought out carefully and the controller s inputs procedures and outputs set up properly Inputs The inputs provide the information that any given programmed procedure can act upon In a simple form this information may come from an operator pushing a button or as part of a more complex pro cedure it may represent a remote set point being re ceived from another controller Each analog input typically uses a thermocouple or RTD to read the temperature of something It can also read volts current or resistance allowing it to use various devices to read humidity air pressure operator inputs and others values The settings in the Analog Input Menu Setup Page for each analog input must be configured to match the device con nected to that input Each digital input reads whether a device is active or inactive A PM with digital input output hardware includes two sets of terminals each of which can be used as either an input or an output Each pair of terminals must be configured to function as either an input or output with the Direction parameter in the Digital Input Output Menu Setup Page The Function or EZ Key on the front panel of the PM also operates as a digital input by toggling the function assigned to it in the Digital Input Function parameter in the Function Key Menu Setup Pag
154. om Menu Alarm Hysteresis Alarm High Set Alarm Low Set User Restore Set Display Units Input Calibration CIP Class Instance Attribute hex dec Modbus Relative Ad dress Default Some values will be rounded off to fit in the four character display Full values can be read with other interfaces If there is only one instance of a menu no submenus will appear Watlow EZ ZONE PM PID Controller Param eter ID 14005 14003 uint RWES Chapter 8 Factory Page Parameter Name Description Security Setting Profiling Page Change the security level of the Profiling Page Security Setting Password Enable Turn security features on or off Security Setting Read Lock Set the read security clearance level The user can access the selected level and all lower levels If the Set Lockout Security level is higher than the Read Lockout Security the Read Lockout Secu rity level takes priority Security Setting Write Security Set the write security clearance level The user can access the selected level and all lower levels If the Set Lockout Security level is higher than the Read Lockout Security the Read Lockout Secu rity level takes priority Security Setting Locked Access Level Determines user level menu visibility when security is enabled See Features section under Password Security Security Setting Rolling Password When power is cycled a new Public Key will be
155. operty and or injury or loss of life High Power Note es 1 Slot C Maximum wire size termina 98 os tion and torque rating gg Poet iM ums e 0 0507 to 3 30 mm 30 to e LU AER 12 AWG single wire termi Mos Cd g 3 100 to 240V ac Semi Sig F47 nation or two 1 31 mm 16 e 47 to 63 Hz AWG 14VA maximum power consumption PMA 8 amp 9 e 0 8 Nm 7 0 Ib in torque 10VA maximum power consumption PM3 amp 6 PM L2 Note Adjacent terminals may be labeled differently depend ing on the model number Digital Input 5 6 Note To prevent damage to the Voltage Input controller do not connect wires to unused terminals UU M Digital Input I Note Update rate 10 Hz l Maintain electrical isolation Slot C Dry contact or dc voltage between analog input 1 digi 98 i tal input outputs switched DC Voltage i dc open collector outputs and 99 Input not to exceed 36V at process outputs to prevent F 3mA EENE NM l ground loops CD e rie ale when gt 3V TREE CE Input inactive when 2V Ds common The control output common B5 Dry Contact ee u terminal and the digital com DC Input pg Input inactive when gt mon terminal are referenced DC Inout 500 Q a ue to different voltages and D5 Input active when lt 100 Q e 7 must remain isolated aaa short circuit 13 E PM 24 5 24 Vdc Watlow EZ ZONE PM PID Controller e 16 Chapter 2 Install and Wire N AN Warni
156. ositive mechanical break on all hot legs simultaneously e dc loads with hybrid relays The triacs used for arc suppression will turn off only with ac line voltage hybrid switches to drive any inductive loads such as relay coils transformers or solenoids cycle times less than five seconds on hybrid switches on loads that exceed 264V ac through relay on loads that exceed 15 amperes load on loads less than 100 mA NO ARC relays in series with other NO ARC re lays Retransmitting a Process Value or Set Point The retransmit feature allows a process output to provide an analog signal that represents the set point or process value The signal may serve as a remote set point for another controller or as an in put for a chart recorder documenting system perfor mance over time In choosing the type of retransmit signal the op erator must take into account the input impedance of the device to be retransmitted to and the required signal type either voltage or milliamps Typically applications might use the retransmit option to record one of the variables with a chart re corder or to generate a set point for other controls in a multi zone application Output 1 can be ordered as process outputs Select retransmit as the Output Function Setup Page Output Menu Set the output to volts or milliamps with Output Type o S Select the signal to retransmit with Retrans mit Source c 5 Range High Output
157. outputs Control Loop 1 Heat Hysteresis Set the control switching hysteresis for on off con trol This determines how far into the on region the process value needs to move before the output turns on Operations Page Auto Auto 10 Manual 54 oF FJ Off 62 RUE o Auto 10 Manual 54 50 0 to 200 0 no No 59 YES Yes 106 Low Set Point to High Set Point Setup Page Low Set Point to High Set Point Setup Page 0 001 to 9 999 000 F or units 1 110 555 to 5 555 000 C 0 001 to 9 999 000 F or units 1 110 555 to 5 555 000 C Default Modbus Rela tive Address Instance 1 Map 1 Map2 2200 2680 Instance 1 Map 1 Map2 2202 2682 Instance 1 Map 1 Map2 1880 2360 Instance 1 Map 1 Map2 1998 2398 Instance 1 Map 1 Map2 1920 2400 Instance 1 Map 1 Map2 2160 2640 Instance 1 Map 1 Map2 2176 2656 Instance 1 Map 1 Map2 1890 2370 Instance 1 Map 1 Map2 1900 2380 CIP Class Instance Attribute hex dec 0x6B 107 1 0x15 21 0x6B 107 1 0x16 22 0x97 151 1 1 0x97 151 1 0x14 20 0x97 151 1 0x15 21 0x6B 107 1 1 0x6B 107 1 9 0x97 151 1 6 0x97 151 1 OxB 11 Note Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only Watlow EZ ZONE PM PID Controller e 37 Chapter 5 Operations Page
158. parameters Then the loop automatically switches to the adaptive mode which fine tunes the PID parameters Once the process variable has been at set point for a suitable period about 30 minutes for a fast process to roughly two hours for a slower process and if no further tuning of the PID parameters is desired or needed TRU TUNE may be turned off However keeping the controller in the adaptive mode allows it to automatically adjust to load changes and compen sate for differing control characteristics at various set points for processes that are not entirely linear Once the PID parameters have been set by the TRU TUNE adaptive algorithm the process if shut down for any reason can be restarted in the adaptive control mode Turn TRU TUNE on or off with TRU TUNE Enable Setup Page Loop Menu Use TRU TUNE Band Setup Page Loop Menu to set the range above and below the set point in which adaptive tuning will be active Adjust this parameter only in the unlikely event that the controller is unable to stabilize at the set point with TRU TUNE Band set to auto 0 This may occur with very fast processes In that case set TRU TUNE Band to a large value such as 100 Use TRU TUNE Gain Setup Page Loop Menu to adjust the responsiveness of the adap tive tuning calculations Six settings range from 1 with the most aggressive response and most poten tial overshoot highest gain to 6 with the least ag gres
159. place sensor Match setting to sensor used Check calibration of controller Possible Causes Corrective Action Watlow EZ ZONE PM PID Controller Appendix LPo Loop Open Error LPr i Loop Reversed Error cP I Ramping 1 EUN I Autotuning 1 No heat cool action No Display No Serial Communication Open Loop Detect is active and the process value did not devi ate by a user selected value in a user specified period Open Loop Detect is active and the process value is headed in the wrong direction when the output is activated based on deviation value and user selected value Setting of Open Loop Detect Time incorrect Setting of Open Loop Detect Deviation incorrect Thermal loop is open Open Loop Detect function not required but activated Setting of Open Loop Detect Time incorrect Setting of Open Loop Detect Deviation incorrect Output programmed for incor rect function Thermocouple sensor wired in reverse polarity Set correct Open Loop Detect Time for application Set correct Open Loop Devia tion value for application Determine cause of open ther mal loop misplaced sensors load failure loss of power to load etc Deactivate Open Loop Detect feature Set correct Open Loop Detect Time for application Set correct Open Loop Devia tion value for application Set output function correctly Wire thermocouple correctly red wire is negative
160. r display Use the Up O and Down Q keys to scroll through possible responses such as Clear or Silence L Then push the Advance or Infinity key to execute the action See the Keys and Displays chapter and the Home Page chapter for more details An alarm that is not latched self clearing will deactivate automatically when the alarm condition has passed Turn alarm latching on or off with Latching Setup Page Alarm Menu The alarm state begins when the temperature A reaches the Alarm High Set Point Alarm High Set Point X Alarm Hysteresis Normal Operating Range The alarm state continues until the temperature drops to the Alarm High Set Point minus the hysteresis A latching alarm could be turned off by A the operator at this point A non PE Low latching alarm would turn off Set Point Temperature Process Temperature automatically Time Alarm Silencing If alarm silencing is on the operator can disable the alarm output while the controller is in an alarm state The process value or temperature has to enter the normal operating range beyond the hysteresis zone to activate the alarm output function again An active message such as an alarm message will cause the display to toggle between the normal settings and the active message in the upper display and in the lower display Push the Advance Key to display in the upper display and the message source in the lower di
161. r in the bottom Using the Up or Down Q arrow keys will allow for a custom ized selection of choice There are twenty positions available that can be customized Modifying the Display Pairs The Home Page being a customized list of as many as 20 parameters can be configured in pairs of up to 10 via the Display Pairs prompt found in the Diagnostic Menu Factory Page The listing in the table that follows is what one may typically find in the Home Page as defaults based on control ler part numbers It is important to note that some of the prompts shown may not appear simply because the feature is not being used or is turned off As an example the prompt Cool Power C P r_I will not ap pear unless the Cool algorithm 89 is turned on in the Setup Page under the Loop menu The Display Pairs prompt will default to 1 therefore the upper display will reflect the Active Process Value and the lower display will reflect the Active Set Point by default As stated above the user can define pairs of prompts to appear on the display every time the Ad vance key is pushed When configuring the Cus tom Menu to your liking it should be noted that if 2 changeable writable prompts are displayed in a Pair i e Control Mode on top and Idle Set Point on the bottom only the lower display Idle Set Point can be changed The display can be configured to scroll by go ing to the Factory Page under the Diagnostic Menu and changing the Display T
162. rameters Profile Event Output A Select whether Event Output 1 or 2 is on or off during this step Step Type Parameters Profile Event Output B Select whether Event Output 1 or 2 is on or off during this step Note i 0 to 9 999 Control 62 Profiling Page Modbus Relative Ad dress Instance 1 Map 1 Map2 2594 4524 Offset to next instance Map 1 equals 50 Map 2 equals 100 Instance 1 Map 2 4526 point in the profile 47 Off 62 On 63 Off 62 on On 63 Mode set to Off Off Map 1 Hol d Hold last closed loop set 2596 User reverts to previ Offset to next ous set point 100 instance Map 1 equals 50 Map 2 equals 100 Instance 1 Map 1 2582 Map 2 4512 Offset to next instance Map 1 equals 50 Map 2 equals 100 O Instance 1 Map 1 Map2 2584 4514 Offset to next instance Map 1 equals 50 Map 2 equals 100 Off ff Some values will be rounded off to fit in the four character display Full values can be read with other interfaces CIP Class Instance Attribute hex dec 0x79 121 1 to 40 OxD 13 Param eter ID 21013 uint RWE 21014 uint RWE 0x79 121 21007 uint 1to 40 RWE 7 0x79 121 21008 uint 1to 40 RWE 8 E 0x79 121 1 to 40 OxE 14 W Write E EEPROM S User Set Watlow EZ ZONE PM PID Controller Chapter 7 Profiling Page Chapter 8 Factory Page Navigating the Factory Page To go to the
163. rmi nation or two 1 31 mm2 16 AWG e 0 8 Nm 7 0 Ib in torque Note Adjacent terminals may be labeled differently depend ing on the model number Note To prevent damage to the controller do not connect wires to unused terminals Note Maintain electrical isolation between analog input 1 digi tal input outputs switched dc open collector outputs and process outputs to prevent ground loops Note The control output common terminal and the digital com mon terminal are referenced to different voltages and must remain isolated Quencharc Note Switching pilot duty inductive loads relay coils solenoids etc with the mechanical relay solid state relay or open collector output options requires use of an R C sup pressor Digital Output 5 6 Slot C Digital Output Update rate 10 Hz Output voltage 24V Current limit Output 5 24 mA maximum Current limit Output 6 10 mA maximum driving single pole DIN A MITE l Capable of driving a 3 pole Internal Circuitry B5 e DIN A MITE er eae B5 Open circuit voltage 22 to 32V do D6 Pm BRA D5 Switched DC Wiring Example Using DO 5 and 6 t eee A7 XN switched dc outputs Htr 1 VDC D5 2r EMI
164. s Current File Indicates current file be ing executed Note Some values will be rounded off to fit in the four character display Full values can be read with other interfaces 0 to 9 999 off 62 Running 149 Pause 146 Available with PM4 PM8 and PM9 models only Operations Page Modbus Rela tive Address Off Instance 1 Map 1 Map2 2548 4514 Instance 1 Map 1 Map2 2538 Default 4358 Instance 1 Map 1 Map2 2522 4342 Instance 1 Map 1 Map2 2524 4344 CIP Class Instance Attribute hex dec 0x7A 122 1 OxF 15 Ox7A 122 1 OxA 10 Paqram eter ID 22015 uint RW 22010 uint R 22002 uint R 22003 uint Ox7A 122 1 2 Ox7A 122 1 3 Watlow EZ ZONE PM PID Controller Chapter 5 Operations Page 6 Chapter 6 Setup Page Navigating the Setup Page To go to the Setup Page from the Home Page press both the Up O and Down Q keys for six seconds will appear in the upper display and will appear in the lower display e Press the Up O or Down Q key to view available menus On the following pages top level menus are identified with a yellow background color ePress the Advance Key to enter the menu of choice e If a submenu exists more than one instance Note press the Up O or Down Q key to select and then press the Advance Key to enter Press the Up or Down Q key to move through available menu prompts Press the Infinity Key t
165. s delivered from the factory default If rate is desired navigate to the Setup Page and then the Global Menu where Ramping Type can be changed Step Type Parameters Target Set Point loop 1 Select the set point for this step Step Type Parameters Hours Select the hours plus Minutes and Seconds for a timed step Step Type Parameters Minutes Select the minutes plus Hours and Seconds for a timed step Step Type Parameters Seconds Select the seconds plus Hours and Minutes for a timed step Note Profiling Page Default Unused 1 to 10 profile 1 11 to 20 profile 2 21 to 30 profile 3 31 to 40 profile 4 Unused Step 50 End 27 Jump Loop 116 Wait For Time 1543 Wait For Both 210 Wait For Process 209 Wait For Event 144 Soak 87 Time 143 Rate 81 1 999 000 to 9 999 000 F or units 1 128 to 5 537 000 C Some values will be rounded off to fit in the four character display Full values can be read with other interfaces CIP Class Instance Attribute hex dec Modbus Relative Ad dress Param eter ID 21001 Juint RWE Instance 1 0x79 121 Mapi Map2 1to40 2570 4500 1 Offset to next instance Map 1 equals 50 Map 2 equals 100 0x79 121 1 to 40 Instance 1 Map1 Map2 2572 4502 Offset to next instance Map 1 equals 50 Map 2 equals 100 0x79 121 1 to 40 Instance 1 Map1 Map2 2574 4504 Offset to next instance M
166. sive response and least potential for overshoot lowest gain The default setting 3 is recommended for loops with thermocouple feedback and moderate response and overshoot potential Before Tuning Before autotuning the controller hardware must be installed correctly and these basic configuration pa rameters must be set e Sensor Type Setup Page Analog Input Menu and scaling if required e Function Setup Page Output Menu and scaling if required How to Autotune a Loop Enter the desired set point or one that is in the middle of the expected range of set points that you want to tune for TRU TUNE feature does not function for on off 2 Enable TRU TUNE control 3 Initiate an autotune See Autotuning in this chapter Watlow EZ ZONE PM PID Controller e 75 Chapter 9 Features When autotuning is complete the PID parameters Follow these steps for a thermocouple or pro should provide good control As long as the loop isin cess input the adaptive control mode TRU TUNE continu 1 Apply the low source signal to the input you are ously tunes to provide the best possible PID control calibrating Measure the signal to ensure it is ac for the process curate 2 Read the value of Electrical Measurement AN Factory Page Calibration Menu for that input 3 Calculate the offset value by subtracting this val WARNING During autotuning the controller sets the output ue from the low source signal to 100 p
167. splay Use the Up O and Down Q keys to scroll through possible responses such as Clear or Silence 5 L Then push the Advance or Infinity key to execute the action See the Keys and Displays chapter and the Home Page chapter for more details Turn alarm silencing on or off with Silencing Setup Page Alarm Menu Alarm Blocking Alarm blocking allows a system to warm up after it has been started up With alarm blocking on an alarm is not triggered when the process tempera ture is initially lower than the alarm low set point or higher than the alarm high set point The process temperature has to enter the normal operating range beyond the hysteresis zone to activate the alarm function If the EZ ZONE PM has an output that is func tioning as a deviation alarm the alarm is blocked when the set point is changed until the process value re enters the normal operating range Turn alarm blocking on or off with Blocking Setup Page Alarm Menu Open Loop Detection When Open Loop Detection is enabled L g E the controller will look for the power output to be at Watlow EZ ZONE PM PID Controller 83 o Chapter 9 Features 100 Once there the control will then begin to mon itor the Open Loop Detect Deviation _ L dg as it relates to the value entered for the Open Loop Detect Time L d E If the specified time period expires and the deviation does not occur an Open Loop Error will be triggered O
168. t If Alarm Type Setup Page Alarm Menu is set to process set the process value that will trigger a high alarm deviation set the span of units from the closed loop set point that will trigger a high alarm Alarm 1 to 4 Alarm State Current state of alarm Alarm 1 to 4 Alarm Clearable Current state of alarm 1 999 000 to 9 999 000 F or units 1 128 000 to 5 537 000 C 1 999 000 to 9 999 000 F or units or 1 128 000 to 5 537 000 C Startup 88 None 61 Blocked 12 Alarm low 8 Alarm high 7 Error 28 No 59 Yes 106 Operations Page CIP Class Instance Attribute hex dec Modbus Rela Default tive Address Instance 1 Map1 Map2 1482 1882 Offset to next instance Map 1 equals 50 Offset to next instance Map 2 equals 60 300 0 F Instance 1 Map1 Map2 units 1480 1880 150 0 C Offset to next instance Map 1 equals 50 Offset to next instance Map 2 equals 60 Instance 1 Map 1 Map2 1496 1896 Offset to next instance Map1 50 Map 2 60 Instance 1 Map 1 Map2 1502 1902 0x6D 109 1to4 OxC 12 Offset to next instance Map1 1 equals 50 Map 2 equals 60 Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Available with PM4 PM8 and PM9 models only Watlow EZ ZONE PM PID Controller Chapter 5 Operations Page P Str Note Parameter
169. t 1 process 17 input 1 RTD 17 input 1 thermocouple 17 input 2 thermocouple 18 low power 16 Modbus RTU or Standard Bus EIA 485 communications 23 output 1 mechanical relay form C 20 output 1 solid state relay form A 21 output 1 switched dc open collector 19 20 output 1 universal process 20 output 2 mechanical relay form A 22 output 2 no arc relay form A 22 output 2 solid state relay form A 22 output 2 switched DC open collec tor 21 output 3 switched dc open collec tor 23 Standard Bus EIA 485 communica tions 23 X Y Z Zone Display 62 Watlow EZ ZONE PM PID Controller e 101 Appendix Declaration of Conformity Series EZ ZONE PM C 4 WATLOW an ISO 9001 approved facility since 1996 1241 Bundy Blvd Winona MN 55987 USA Declares that the following product Designation Series EZ ZONE PM Panel Mount Model Numbers PM 3 6 8 9 or 4 Any Letter or number 1 2 3 or 4 A C E F or K A C H J or K Any letter or number Any letter or number A C E F or K A C H J or K Any three letters or numbers Classification Temperature control Installation Category II Pollution degree 2 IP66 Rated Voltage and Frequency 100 to 240 V ac 50 60 Hz or 15 to 36 V dc 24 V ac 50 60 Hz Rated Power Consumption 10 VA maximum PM3 PM6 Models 14 VA maximum PM8 PM9 PM4 Models Meets the essential requirements of the following European Union Directives by using the relevant standards
170. t defective goods must be be in new condition in the original boxes and they must be returned within 120 days of receipt A 20 percent restocking charge is applied for all returned stock controls and accessories If the unit is unrepairable you will receive a letter of explanation and be given the option to have the unit returned to you at your expense or to have us scrap the unit Watlow reserves the right to charge for no trouble found NTF returns The EZ ZONE PM PID Controller User s Manual is copyrighted by Watlow Winona Inc March 2010 with all rights reserved EZ ZONE PM is covered by U S Patent No 6 005 577 and Patents Pending Table of Contents Chapter 1 Overview 0 0 cece ee ees 3 Standard Features and Benefits 0 0000 c cece eee eee 3 A Conceptual View of the PM LL 4 Getting Started Quickly 0 0 cece cece eens 5 Chapter 2 Install and Wire 1 2 ees 7 DIMENSIONS 2 224 19e rEERESTPRCUERRE ts eer aces E DR 7 INSTAN ATOM a acea ee tot Wek OR Adee dit an alee a tas 12 VO CE 14 Chapter 3 Keys and Displays 0 000 cece eee eee eee 26 Chapter 4 Home Page 2 cece eee eee 28 Conventions Used in the Menu Pages 0 000 cee eee 31 Chapter 5 Operations Page 0 000 33 Analog Input Menu n nnana 0 cece cette eee 34 Linearization Menu 34 Process Value Menus see eh RR ERES 35 Digital Input Output Menu
171. ters can be written to Pages with security levels greater than 2 will be locked out unaccessible 2 If Set Lockout Security is set to 0 and Read Lockout Security is set to 5 all pages will be accessible however changes will not be allowed on any pages or menus with one exception Set Lockout Security can be changed to a higher level 3 The operator wants to read all the menus and not allow any parameters to be changed In the Factory Page Lockout Menu set Read Lockout Security to 5 and Set Lockout Security to 0 4 The operator wants to read and write to the Home Page and Profiling Page and lock all other pages and menus In the Factory Page Lockout Menu set Read Lockout Security to 2 and Set Lockout Security to 2 In the Factory Page Lockout Menu set Lock Operations Page to 3 and Lock Profiling Page to 2 5 The operator wants to read the Operations Page Setup Page Profiling Page Diagnostics Menu Lock Menu Calibration Menu and Cus tom Menus The operator also wants to read and write to the Home Page In the Factory Page Lockout Menu set Read Lockout Security to 1 and Set Lockout Security to 5 In the Factory Page Lockout Menu set Lock Operations Page to 2 and Lock Profiling Page to 3 Using Password Security It is sometimes desirable to apply a higher level of security to the control where a limited number of menus are visible and not providing access to others without a security password Without t
172. ther interfaces Available with PM4 PM8 and PM9 models only Watlow EZ ZONE PM PID Controller Chapter 6 Setup Page Parameter Name Description Process Value 1 Pressure Units Set the units that will be applied to the source Process Value 1 Altitude Units Set the units that will be applied to the source A unt Process Value 1 Filter Filtering smooths out the output signal of this func tion block Increase the time to increase filtering igital Input Output Menu Digital Input Output 5 to 6 Direction Set this function to oper ate as an input or output Digital Output 5 to 6 Action Function Select what function will drive this output Note Setup Page Modbus Rela tive Address PSI Instance 1 Map1 Map2 3334 HFt Instance 1 Map 1 Map2 3336 Instance 1 Map 1 Map2 3330 Instance 1 Map 1 Map2 1000 1120 Default PS Pounds per Square Inch 1671 Pf Sc Pascal 1674 RE P1 Atmosphere 1675 P 15 Millibar 1672 Eor c Torr 1673 HF E Kilofeet 1677 FE Feet 1676 0 0 to 60 0 seconds DEPE Output 68 L on Input Dry Contact 44 n Input Voltage 193 Offset to next instance Map 1 amp Map 2 equals 30 Instance 1 Mapi1 Map2 1008 1128 oF F Off 62 L 0 Limit 126 Ent b Profile Event Out B 234 Offset to next instance Map 1 amp Map 2 equals 30 Ent RJ Profile Event Out A 233 SoF g
173. thermistor R1 S1 RTD thermocouple or volts thermistor Slot A Terminal Definitions for Slot C Slot C Terminal Function Configuration 98 power input ac or dc all 99 power input ac or dc CC Standard Bus or Modbus RTU EIA 485 common Standard Bus or Modbus CA Standard Bus or Modbus RTU EIA 485 T R PM 1 AAAA CB Standard Bus or Modbus RTU EIA 485 T R CF Standard Bus EIA 485 common PM A AAAA CD Standard Bus EIA 485 T R CE Standard Bus EIA 485 T R B5 digital input output common PM 2__ AAAA D6 digital input or output 6 PM 4__ AAAA D5 digital input or output 5 Back View Back View Slot Orientation Slot Orientation 1 16 DIN PM6 1 32 DIN PM3 Watlow EZ ZONE PM PID Controller e 14 Chapter 2 Install and Wire Back View Back View Slot Orientation 1 8 Slot Orientation DIN Vertical PM8 1 8 DIN Horizontal PM9 dino 3ndino zmdmno mdo randul 1 3ndui Dig O 5 amp 6 485 Comms Power Dig 1 0 5 amp 6 485 Comms Power F 1 Back View Slot Orientation 1 4 DIN Hori
174. tical d n 15 75 mm 53 34 mm 0 62 in 2 10 in ea 1 52 mm 0 06 in i PET m EZ ZONE e d di D j H o gt d o cj a um d Cd 3 95 in cH D D E i 4 E d B A Y V 10 16 mm 0 40 in Bg 54 86 mm SL lt lt 2 16 in 1 21 in 101 60 mm 4 00 in 1 8 DIN PM8 Vertical Recommended Panel Spacing 45 2 mm 1 78in ry 92 3 mm 3 635 in Y Panel thickness 0 060 in 1 53 mm 21 6 mm to 0 375 in 9 52 mm 0 85 in IN 21 6 mm 0 85 in Watlow EZ ZONE PM PID Controller e 9 o Chapter 2 Install and Wire 1 8 DIN PM9 Horizontal E La 15 75 mm 0 62 in 1 52 mm a 100 33 mm 0 06 in 3 95 in ry F SN i an 1 I 54 86 mm 53 34 mm 2 16 in 2 10 in y a 0 Y SML d I 10 16 mm oc 0 40 in EN 30 73 mm 1 21 in 101 60 mm rm
175. tions parameters to determine the output value All heat and cool outputs use the same set point value Heat and cool each have their own set of control pa rameters All heat outputs use the same set of heat control parameters and all cool outputs use the same set of cool output parameters Each alarm output has its own set of configura tion parameters and set points allowing independent operation Auto closed loop and Manual open loop Control The controller has two basic modes of operation auto mode and manual mode Auto mode allows the con troller to decide whether to perform closed loop con trol or to follow the settings of Input Error Failure Setup Page Loop Menu The manual mode only allows open loop control The EZ ZONE PM con troller is normally used in the auto mode The manu al mode is usually only used for specialty applications or for troubleshooting Manual mode is open loop control that allows the user to directly set the power level to the controller s output load No adjustments of the output power level occur based on temperature or set point in this mode In auto mode the controller monitors the input to determine if closed loop control is possible The con troller checks to make certain a functioning sensor is providing a valid input signal If a valid input signal is present the controller will perform closed loop con trol Closed loop control uses a process sensor to de termine the difference b
176. troller was in the auto mode when the input error occurred it will resume closed loop control If the controller was in manual mode when the error occurred the controller will remain in open loop control The Manual Control Indicator Light is on when the controller is operating in manual mode You can easily switch between modes if the Con trol Mode parameter is selected to appear in the Home Page To transfer to manual mode from auto mode press the Advance Key until appears in the lower display The upper display will display for auto mode Use the Up O or Down Q keys to select P 74nA The manual set point value will be recalled from the last manual operation To transfer to auto mode from manual mode press the Advance Key until appears in the lower display The upper display will display Watlow EZ ZONE PM PID Controller amp 79 s Chapter 9 Features for manual mode Use the Up O or Down OQ keys to select RUE o The automatic set point value will be recalled from the last automatic operation Changes take effect after three seconds or imme diately upon pressing either the Advance Key or the Infinity Key On Off Control On off control switches the output either full on or full off depending on the input set point and hys teresis values The hysteresis value indicates the amount the process value must deviate from the set point to turn on the output Increasing the valu
177. us 36 P B Input Point 8 48 ALE J RL EG RL E 3 RL EM EL o Electrical Input Offset 72 1P 4 Input Point 9 48 Alarm Error 1 to 4 27 76 P 10 Input Point 10 48 AL g Alarm Logic 58 EL 5 Electrical Input Slope 72 B F 4 IP Fixed Address Part 4 61 BL I RLSeIRLh3 RLS 76 62 Alarm High 1 to 4 27 EL oo Electrical Output Offset 72 JC Jump Count Remaining 42 AL h IRL he ALA RLSSN Ent l Active Event Output 1 41 J 5 Jump Step 66 Alarm High 1 to 4 27 42 L d d Open Loop Detect Devia ALL UAC eA 3 RCLL4 Ent eJ Event Output 2 67 tion 54 Alarm Low 1 to 4 27 Er 1 Error Input 1 or 2 L d E Open Loop Detect Enable ALL HALL ACL FAL 27 53 Alarm Low 1 to 4 27 Er I Error Input 1 27 L d E Open Loop Detect Time 53 ALL HALL eA 3 RCLL4 FA Input Error Failure 53 79 L n Linearization 45 Alarm Low 1 to 4 27 F_ Digital Output Function L nr Linearization Menu 34 46 ALP UAlarm Menu 39 57 Instance 50 52 L oC Security Setting Menu 69 AL o Alarm Low Set Point 39 83 F Output Function Instance 71 RSg Alarm Sides 58 55 56 L ofl Locked Access Level 85 AS Alarm Silencing 59 83 F l Filter 46 L o CL Locked Access Level 68 70 At P Absolute Temperature 47 F L Filter Time 77 L o Lo Lock Operations Page 69 At SP Autotune Set Point 37 74 F n Output Function 55 56 84 Ht tna Attention 27 28 83 F n Function 48 L o CP Lock Profiling Page 70 71 At Jj Alarm Type 57 82 F Un Function Key Menu 59 84 Aunt Altitude Units 49 gt 6
178. used than use Map 2 Modbus registers The Data Map for Mod bus registers can be changed in the Setup Page un der the Menu This setting will apply across the control It should also be noted that some of the cells in the Modbus column contain wording pertaining to an off set Several parameters in the control contain more than one instance such as profiles 4 alarms 4 analog inputs 2 etc The Modbus register shown always represents instance one Take for an example the Alarm Silence parameter found in the Setup Page under the Alarm menu Instance one of Map 1 is shown as address 1490 and 50 is identified as the offset to the next instance If there was a desire to read or write to instance 3 simply add 100 to 1490 to find its address in this case the instance 3 address for Alarm Silence is 1590 To learn more about the Modbus protocol point your browser to http www modbus org Note There are two columns shown in the menus that follow for communications protocols identified as CIP Common Industrial Protocol and Profibus These columns will be useful if this control is used in conjunction with the EZ ZONE Remote User In terface Gateway RUI GTW where those protocols can be selected as optional hardware For this con trol as a secondary protocol beyond Standard Bus Modbus RTU can be ordered as optional hardware To learn more about the RUI GTW point your browser to the link below and search for keyword EZ ZONE
179. uts to 60 0 0 to 100 0 g 0 0 to 100 0 100 0 Note Some values will be rounded off to fit in the four character display Full values can be read with other interfaces Offset to next instance Map 1 amp Map 2 equals 30 Instance 1 Map 1 Map2 1016 1136 Digital Output 5 to 6 Low Power Scale The power output will never be less than the value specified and will represent the value at which output scaling begins Offset to next instance Map 1 amp Map 2 equals 30 Instance 1 Map1 Map2 1018 1138 o h 1 o hi Digital Output 5 to 6 High Power Scale The power output will never be greater than the value specified and will represent the value at which output scaling stops Offset to next instance Map 1 amp Map 2 equals 30 Available with PM4 PM8 and PM9 models only CIP Class Instance Attribute hex dec 0x6A 106 5 to 6 6 0x6A 106 5 to 6 2 0x6A 106 5 to 6 3 0x6A 106 5 to 6 9 0x6A 106 5 to 6 OxA 10 Param eter ID 6006 uint RWES 6002 6003 float RWES 6009 float RWES 88 6010 float RWES uint RWES Watlow EZ ZONE PM PID Controller o Chapter 6 Setup Page Parameter Name Description Digital Input 5 to 6 Level Select which action will be interpreted as a true state Digital Input 5 to 6 Action Function Select the function that will be triggered by a true state for Digital Input 5 and or 6 Note Lobu Low 53
180. wn Li Ct J Diagnostics Menu Diagnostics Pa Part Number r Eu Software Revision SbLd Software Build Number S Serial Number Date of Manufacture Calibration Menu 1 to e Calibration PAu Electrical Measurement ma rr 2o LO Watlow EZ ZONE PM PID Controller e 68 o Chapter 8 Factory Page Parameter Name Description Parameter 1 to 20 Select the parameters that will appear in the Home Page The Parameter 1 value will appear in the upper dis play of the Home Page It cannot be changed with the Up and Down Keys in the Home Page The Parameter 2 value will appear in the lower dis play in the Home Page It can be changed with the Up and Down Keys if the parameter is a writable one Scroll through the other Home Page parameters with the Advance Key 11d Custom 1 to 20 Instance ID Select which instance of the parameter will be se lected re Security Setting Menu Lolo LoC o Security Setting Operations Page Change the security level of the Operations Page Note Factory Page non E None d I Guaranteed Soak Deviation 1 Value P RC Profile Action Re quest E c Profile Start Idle Set Point TRU TUNE49 En Ramp Rate Cool Hysteresis Cool Proportional Heat Hysteresis Heat Proportional Dead Band Time Derivative Time Integral Cool Power Heat Power User Control Mode Autotune Open Loop Set Active Set Point Active Process Set Point Cust
181. y 84 Real Time Clock 32 44 Relative Humidty 47 Relative Temperature 47 Remote Enable 37 removing mounted controller 12 responding to a displayed message 27 28 restoring user settings 74 retransmit 77 Retransmit Source 56 78 Rolling Password 68 70 RTD Leads 45 S saving user settings 74 Scale High 45 56 77 78 Scale Low 45 56 77 78 Seconds 65 secure settings 84 85 Security Setting 69 71 sensor selection 77 Sensor Type 45 75 77 Serial Number 71 Set Lockout Security 84 set point high limit 77 Set Point High Limit Open Loop 54 set point low limit 77 Set Point Low Limit Open Loop 54 Setup Page 43 Sides Alarm 58 Silencing 59 83 single set point ramping 82 Software Build 71 Software Revision 71 Source 57 System Security 85 T Target Set Point 65 temperature units indicator lights 26 Thermistor 18 45 Time Base 50 55 Time Derivative 38 75 81 Time Integral 38 75 80 TRU TUNE Band 52 75 TRU TUNE Enable 52 75 TRU TUNE Gain 52 75 tuning the PID parameters 74 Type 57 U upper display 26 User Failure Action 53 User Password 68 70 User Restore Set 62 74 User Save Set 62 74 User Tune Aggressiveness 74 Using EZ ZONE Configurator Soft ware 87 using the software 84 V variable time base 81 W Wait Event 1 and 2 66 Wait For Process Instance 66 Wait For Time 65 weight 96 wiring digital input or output 5 16 high power 16 input 1 potentiometer 17 inpu
182. zontal PM4 randu zidio ndo peg suopeaunwwog zidu vindng indio EZ ZONE PM Isolation Blocks E um No Isolation No Isolation 1 Safety Isolation No Isolation um Watlow EZ ZONE PM PID Controller e 15 e Chapter 2 Install and Wire Low Isolation Low voltage Isolation 42V peak Safety Isolation 2300V ac Low Power N A Slot C Warning 98 o Use National Electric NEC gg P Minimum Maximum Ratings or other country specific 12 to 40V dc standard wiring and safety 20 to 28V ac Semi Sig F47 practices when wiring and AT t 63 Hz connecting this controller to mu crc auc di iaa e e e die a power source and to elec DM M AE PM__ 3 4 __ ___ trical sensors or peripheral pun devices Failure to do so may result in damage to equip ment and pr

User`s Manual EZ-ZONE® PM PID Controller Models

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User`s Manual EZ-ZONE&reg; PM PID Controller Models

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User`s Manual EZ-ZONE® PM PID Controller Models