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User Manual PAX2C – 1/8 DIN Temperature

1. Pro Please see the Digital Output Parameter s Configuration area for more information about mapping an alarm to a digital output Alarm Alarm Alarm Alarm Alarm On Time Off Time Alarm Reset Standby Assignment Action Value Value Hysteresis Delay Delay Logic Action Operation High Low Value ALARM ASSIGNMENT ALARM ACTION NONE Pu nn AbH RbLO RuH AULO dEH dELU bR d bdin Hur Selects the parameter to be used to trigger the Alarm Enter the action for the selected alarm See Alarm Figures for a nnn A No AI A t al disabled 3 2 g nong o Alarm Assignment I isle visual detail of each action Pu Input Process Value n nu No Alarm Action RbHi Absolute high with balanced hysteresis Abid Absolute low with balanced hysteresis RUHI Absolute high with unbalanced hysteresis 58 AULG Absolute low with unbalanced hysteresis dEHI Deviation high with unbalanced hysteresis dELU Deviation low with unbalanced hysteresis bAfid Outside band with unbalanced hysteresis bdin Inside band with unbalanced hysteresis HLur Heater Current Alarm Available only when Alarm Assignment is assigned to the Input Process Value PL of a Heater Current Monitor FlexCard ALARM HIGH VALUE 1999 to 9999 Enter desired alarm high value Alarm value can also be entered in the Display Parameter and Hidden Display Loops when Al x access is allowed The decimal point position is determined by the De
2. When an alarm configured for HCUR alarm action is displayed in the main parameter or hidden loops the 3 character mnemonic will be H x Hxx 7 2 5 HEATER CURRENT MONITOR FACTORY SERVICE PARAMETERS LAL FLA I Cur Hardware Selection Controller Calibration FACTORY SERVICE CODE j tod58 Enter the Service Code for the desired operation 59 FACTORY SERVICE OPERATIONS FALE Preparation for Heater Current Monitor Calibration Warning Input Calibration of this controller requires a signal source UN capable of producing a signal greater than or equal to 100 mA with an accuracy of 0 1 or better Before starting verify that the precision signal source is properly connected and is ready Allow a 30 minute warm up period before calibrating the controller Selecting fl at any calibration step will cause the card to maintain the existing calibration parameters for that step Selecting YES and pressing the P key will cause the card to store new calibration settings for that step Pressing D at any time will exit programming mode but any calibration step that has been calibrated will maintain the new settings Heater Current Input Calibration Procedure 1 After entering LadE IB select the desired hardware Hfur and press the P key 2 CER is displayed in the Line 2 units mnemonic Apply the zero input limit of the range indicated on Line 1 of the controller Press Fi to select YES Press P Display will ind
3. a SB A e pen O po EE EIL ae e ee EST E pem E E T A T E E E or eeu 7 REX T RESI S Da emesemmasape ox o o o E ae e o 3 eT ERR ETT EE PID Values DPOF PraP nkt d rk a ee ee ee se G Primary PID Values DPOF PraP ntt drt Alternate PID Values DPOF Prof ntt dErt Alarm Values Basic Mode 1 4 Advanced Mode 1 16 TES Lx wessearmese A m oe weed LL 1 x34 esr e amu lt n De at wenesmenexeuREI 1 eo J oe dE pedum e y SE Et d Ere pene A T A E LII Each PID value is individually configurable When an Alarm is configured for Heur the Alarm High Value H x is viewed by enabling AL x The Alarm Low Value L x is viewed by enabling bd x 29 6 3 4 DISPLAY PARAMETERS DisPLAY M1IN Max CONFIGURATION H LU MAX Capture MIN Capture Delay Time Delay Time MAX CAPTURE DELAY TIME Ul to250 seconds When the PAX2C process value is above the present MAX value for the entered delay time the controller will capture that process value as the new MAX reading A delay time helps to avoid false captures of sudden short spikes MIN CAPTURE DELAY TIME flO to250 seconds When the PAX2C process value is below the present MIN value for the entered delay time the controller will capture that process value as the new MIN reading A delay time helps to avoid false captures of sudden short spikes Programming Security Code
4. PROGRAMMING SECURITY CODE rn L dE tog5n d5P n The Security Code determines the accessibility of programming parameters This code can be used along with the Program Mode Lock out PLUL Refer to the User Input Function Key Parameters To access the Hidden Parameter display loop a security code 1 250 must be entered If a 0 security code is programmed Full Programming is available following the Parameter Loop Pressing the P key takes you into the Parameter Loop and is used to step through the loop Full Programming Parameters can be viewed and modified Parameter Display Loop Programming Access to selected parameters that can be viewed and or modified without entering Full Programming The following chart indicates the levels of access based on various CodE and User Input FLUE settings 30 CENE USER INPUT HIDDEN AND FULL AS PLIC STATE PROGRAMMING ACCESS Active or After Parameter Display Loop with 20 Ye N A Not Active correct code at OdE prompt Not Active Access after Parameter Display Loop 6 4 PID PROGRAMMING PF d Pro PID PARAMETER MENU SELECTION n Ctrl SP Pid Pide ONOFF tunE Select the PID parameter menu to be programmed Ifa FlexCard option card is installed a hardware selection programming loop will appear between the Main Programming Loop and the Parameter Programming Selection Loop See Section 7 0 Programming the FlexCard for more details EMPE ErnF HERE Aut
5. 5 mA Off State Leakage Current mA max 60 Hz Operating Frequency 20 400 Hz SSR Drive Type Two isolated sourcing PNP Transistors Isolation To Sensor amp User Input Commons 500 Vrms for min Not Isolated from all other commons Rating Output Voltage 18 24 VDC unit dependent 10 30 mA max total both outputs QUAD FORM C RELAY CARD PAXCDS60 Type Four FORM C relays Isolation To Sensor amp User Input Commons 500 Vrms for min Contact Rating Rated Load 3 Amp 30 VDC 125 VAC Total Current With All Four Relays Energized not to exceed 4 amps Life Expectancy 100 K cycles min at full load rating External RC snubber extends relay life for operation with inductive loads LINEAR DC OUTPUT CARD PAXCDL Either a 0 4 20 mA or 0 10 V linear DC output is available from the analog output option card The programmable output low and high scaling can be based on various display values Reverse slope output is possible by reversing the scaling point positions ANALOG OUTPUT CARD PAXCDL10 Types 0 to 20 mA 4 to 20 mA or 0 to 10 VDC Isolation To Sensor amp User Input Commons 500 Vrms for min Not Isolated from all other commons Accuracy 0 17 of FS 18 to 28 C 0 4 of FS 0 to 50 C Resolution 1 3500 Compliance 10 VDC 10 KO load min 20 mA 500 O load max Powered Self powered 1 0 INSTALLING THE CONTROLLER INSTALLATION INSTALLATION ENVIRONMENT The PAX2C meets NEMA 4X IP65 requirements when
6. Bit 2 Set ADC Overrange Status of Solid State Outputs Bit State O OFF 1 ON Read Write Bit 3 O4 Bit 2 O3 Bit 1 O2 Bit 0 O1 only outputs configured for ASGN NONE are writeable 255 15 otherwise writes are ignored 60 TROUBLESHOOTING GUIDE LEEREN RN No Display At Power Up Check power level and power connections No Display After Power Up Check dLEU and dint program settings in the Display menu Program Locked Out Check for Active User Input programmed for PL L Deactivate User Input Enter proper access code at COdE D prompt universal access code No Line 1 Display Check program settings for Line 1 Display Assignment No Line 2 Display Check program settings for Line 2 Value Access Confirm at least one Line 2 Parameter Value is enabled in Main Display Loop No Programmable Units Display Check program settings for Line 1 2 Units Mnemonic s Incorrect Process Display Value Check Input Jumper Setting Input Level and Input Connections Contact factory Display of LOL ULUL Short OPERI or See General Controller Specifications Display Messages Modules or Parameters Not Accessible Check for corresponding option option card Verify parameter is valid in regard to previous program settings Error Code ELEY Keypad is active at power up Check for depressed or stuck keypad Press any key to clear Error Code Error Code EPAr Parameter Data Checksum Error Press any key to clea
7. SIART AND STORED IN MEMORY TIME Output 1 OP1 ON orF on OFF PHASE On Off Control Hysteresis AUTO TUNE OF HEAT COOL SYSTEMS During Auto Tune of heat cool systems the controller switches the cooling output on and off in addition to the heat output The output deadband parameter determines the amount of overlap or deadband between the two outputs during Auto Tune See ON OFF Control on page 36 for the operation of this parameter The output deadband parameter remains unchanged after Auto Tune is complete Therefore when proportional control is started after the completion of Auto Tune this parameter may need to be adjusted It is important that external load disturbances be minimized and if present other zone controllers idled as these may have an effect on the PID constant determination The controller also sets the Output Heat and Output Cool Gain parameters Hthn and ELEN for heat cool systems AUTO TUNE OF CASCADE SYSTEMS REMOTE SETPOINT Cascade systems involve the use of two controllers the Primary and the Secondary The secondary controller must have remote setpoint capability In such a system the Secondary controller should be tuned first followed by tuning of the primary controller Prior to tuning the Secondary controller it is essential that the Remote Setpoint is scaled to match the secondary process range This is important for proper Auto Tuning of the primary cont
8. Tel 1 717 767 6511 Tel 31 0 334 723 225 Gurgaon 122002 Haryana India Tel 86 21 6113 3688 Fax 1 717 764 0839 Fax 31 0 334 893 793 Tel 91 984 487 0503 Fax 86 21 6113 3683 62
9. controller followed by a command terminator character or Command Chart COMMAND DESCRIPTION NOTES Node Controller Address a specific controller Must be followed by Address a two digit node address Not required when Specifier address 00 T Transmit Value Read a register from the controller Must be read followed by register ID character V Value Change Write to register of the controller Must be followed write by register ID character and numeric data Reset Reset a register or output Must be followed by register ID character Block Print Initiates a block print output Registers are defined Request in programming Signifies end of transmission Command String Construction The command string must be constructed in a specific sequence The controller does not respond with an error message to invalid commands The following procedure details construction of a command string The first characters consist of the Node Address Specifier N followed by a 2 character address number The address number of the controller is programmable If the node address is 0 this command and the node address itself may be omitted This is the only command that may be used in conjunction with other commands 2 After the optional address specifier the next character is the command character The next character is the Register ID This identifies the register that the command affects The P command does not require a Reg
10. entered HIDDEN e PARAMETER Held DISPLAY LOOP Pro Pra n End Full Programming MANUAL REMOTE MNEMONIC Color Zone 7 MAN Flashes when the controller or a FlexCard is operating in manual PID Control mode REM Flashes when the controller or a FlexCard is operating in Remote Setpoint mode The Mnemonic zone is tri colored and may be configured to change color based on specified alarm logic conditions Main Display Loop In the Main display loop the D key is pressed to advance through the selected Line 2 values The Line 2 units mnemonics are used to indicate which Line 2 value is currently shown When in the Main display loop the Function keys perform the user function as programmed in the User Input parameter section Parameter and Hidden Parameter Display Loops To utilize the Hidden Parameter display loop a security code 1 250 must be programmed See Programming Security Code in the Display Parameters programming section for details The Parameter display loop is accessed by pressing the P key key must be pressed twice if displaying a dEnt value The selected Parameter display loop values can be viewed and or changed per the Line 2 Value Access setting programmed for each available value The Hidden Parameter display loop follows the Parameter display loop and can only be accessed when the correct security code is entered at the Code prompt Combining the two parameter loops
11. functions independent of the selected display SELECT MINIMUM VALUE DISPLAY When activated the Minimum value appears on Line 2 as long as active maintained When the user input is inactive the previously selected display is returned The D or P keys override and disable the active user input The Minimum continues to function independent of the selected display RESET MINIMUM VALUE When activated r5Et flashes on the display and the Minimum value resets to the present Input value momentary action The Minimum function then continues updating from that value This selection functions independent of the selected display When activated rSEt flashes and the Maximum and f Minimum readings are set to the present Input value momentary action The Maximum and Minimum function then continues updating from that value This selection functions independent of the selected display 19 RESET ALARMS When activated the controller will reset active alarms r as configured in the Alarm Mask Selection ASEL below momentary action Basic Mode 4 Alarms Max Advanced Mode 16 Alarms Max ALARM MASK ASSIGNMENT Selects the alarms that will be reset when the User Input Function key is activated Any alarm configured as YES will be reset Please see the Alarms section of the manual for more information on the alarm reset operation When activated the display intensity changes to the next intensity leve
12. lt 20h gt Max Register Reads 64 lt 20h gt Max Register Writes 64 lt 10h gt Number Guid Scratch Pad Regs 16 SUPPORTED EXCEPTION CODES 01 Illegal Function Issued whenever the requested function is not implemented in the controller 02 Illegal Data Address Issued whenever an attempt is made to access a single register that does not exist outside the implemented space or to access a block of registers that falls completely outside the implemented space 03 Illegal Data Value Issued when an attempt is made to read or write more registers than the controller can handle in one request 07 Negative Acknowledge Issued when a write to a register is attempted with an invalid string length PAX2C FREQUENTLY USED MODBUS REGISTERS Only frequently used registers are shown below The entire Modbus Register Table can be found at www redlion net and on the flash drive shipped with the PAX2C Negative values are represented by two s complement Note The PAX2C should not be powered down while parameters are being changed Doing so may corrupt the non volatile memory resulting in checksum errors REGISTER ADDRESS REGISTER NAME LOW LIMIT ___ FREQUENTLY USED REGISTERS __ 40008 Output Power 1000 40013 Auto Tune Code 40029 40030 40031 Alarm Reset Register 40032 40033 40034 40035 40036 40037 40038 40039 40040 40041 40042 40043 40044 40045 40046 40047 40048 40049 40050 1999 Digital Outp
13. provides an area for parameters that require general access and or protected or secure access depending on the application needs While in the Parameter and Hidden Parameter loops pressing the D key will return the controller to the Main display loop To directly access the Code prompt press and hold the P key This can be done from the Main display loop or at any point during the Parameter display loop Also to directly access Full Programming mode while in the Hidden Parameter loop press and hold the P key to bypass any remaining Hidden Parameter loop values 6 0 PROGRAMMING THE PAX2C It is highly recommended that controller programming be performed using Crimson programming software Program settings should be saved or recorded as programming is performed BASIC ADVANCED CONFIGURATION MODE The PAX2C provides two different user selectable configuration modes Basic Configuration Mode b5 Basic is the default mode When the PAX2C is configured in this mode a maximum of four alarms are supported and no mapped backlight color changes are available Default backlight colors are user selectable Advanced Configuration Mode Adil In the Advanced mode a maximum of sixteen alarms are supported and all backlight color configuration menu parameters are enabled Select this mode when you require more than four alarms or where process dependent display color changes are desired FULL PROGRAMMING ENTRY Full Programming is entered
14. 15 to 75 RH environment and Accuracy over a 0 to 50 C and 0 to 85 RH non condensing environment The specification includes the A D conversion errors linearization conformity and thermocouple ice point compensation Total system accuracy is the sum of controller and probe errors Accuracy may be improved by field calibrating the controller readout at the temperature of interest These curves have been corrected to ITS 90 7 EXCITATION POWER Jumper selectable Transmitter Power 18 VDC 5 50 mA max Reference Voltage 2 VDC 2 Compliance 1KQ load min 2 mA max Temperature Coefficient 40 ppm C max Reference Current 1 05 mADC 2 Compliance 10 KO load max Temperature Coefficient 40 ppm C max 8 USER INPUTS Two programmable user inputs Max Continuous Input 30 VDC Isolation To Sensor Input Common Not isolated Logic State User programmable URL for sink source Lo H 0 INPUT STATE i USrALE SINK Lo SOURCE H 20KQ pull up to 3 3V 20KQ pull down Active Vin lt 1 1 VDC Vin gt 2 2 VDC Inactive Vin gt 2 2 VDC Vin lt 1 1 VDC 9 CUSTOM LINEARIZATION Data Point Pairs Selectable from 2 to 16 Display Range 1999 to 9999 Decimal Point 0 to 0 000 10 MEMORY Nonvolatile FRAM memory retains all programmable parameters and display values 11 ENVIRONMENTAL CONDITIONS Operating Temperature Range 0 to 50 C Storage Temperature Range 40 to 60 C Vibration to IEC 68 2 6 Operat
15. 49 Analog Output Register AOR ID Q This register stores the present signal value of the analog output The range of values of this register is 0 to 4095 which corresponds to the analog output range per the following chart Register Output Signal Value 0 20 mA 4 20mA 0 10 v o oo 400 0 000 Due to the absolute accuracy rating and resolution of the output card the actual output signal may differ 0 15 FS from the table values The output signal corresponds to the range selected 0 20 mA 4 20 mA or 0 10 V Writing to this register VQ while the analog output is in the Manual Mode causes the output signal level to update immediately to the value sent While in the Automatic Mode this register may be written to but it has no effect until the analog output is placed in the manual mode When in the Automatic Mode the controller controls the analog output signal level Reading from this register TQ will show the present value of the analog output signal Example VQ2047 will result in an output of 10 000 mA 12 000 mA or 5 000V depending on the range selected Digital Output Register DOR ID S This register stores the states of the setpoint outputs Reading from this register TS will show the present state of all the digital outputs A 0 in the setpoint location means the output is off and a 1 means the output is on S abcd s d DO4 c DO3 b DO2 a DOl In Automatic Mode the controller c
16. 7 2 1 INPUT PROGRAMMING FJ fur HLur Faat dL PE Fnd JOFSE FLEr bAnd Hi E LU E PRES 5ESL MAPE di SP ASH WP WP WP WP WP n WP VIP WP TP WP AP nang ng 00 t oo i i u i er REY 00 H SEL 1 I Hardware Selection Heater Enable Display Display Display Filter Filter Max Delay Min Delay Scaling Scaling Input n Display n Current Square Decimal Rounding Offset Setting Band Time Time Points Style Value Value Monitor Root Point Value HEATER CURRENT MONITOR NONE or any installed digital output Select the output that is activating the heater that is being monitored FILTER BAND D to9999 display units The digital filter will adapt to variations in the input signal When the variation exceeds the input filter band value the digital filter disengages When the variation becomes less than the band value the filter engages again This allows for a stable readout but permits the display to settle rapidly after a large process change The value of the band is in display units independent of the Display Decimal Point position A band setting of 0 keeps the digital filter permanently engaged MAX DELAY TIME G8 to 9953 seconds When the input display is above the current MAX value for the Max Delay time Hi E the controller will capture the display value as the new max value Longer delay time helps to avoid false captures of short input fluctuations M
17. 7 8 bits Baud 1200 to 38 400 Parity no odd or even Bus Address Selectable 0 to 99 RLC Protocol or 1 to 247 Modbus Protocol Max 32 controllers per line RS485 Transmit Delay Selectable for 0 to 0 250 sec 2 msec min DEVICENET CARD PAXCDC30 Compatibility Group 2 Server Only not UCMM capable Baud Rates 125 Kbaud 250 Kbaud and 500 Kbaud Bus Interface Phillips 82C250 or equivalent with MIS wiring protection per DeviceNet Volume I Section 10 2 2 Node Isolation Bus powered isolated node Host Isolation 500 Vrms for 1 minute between DeviceNet and controller input common PROFIBUS DP CARD PAXCDC50 Fieldbus Type Profibus DP as per EN 50170 implemented with Siemens SPC3 ASIC Conformance PNO Certified Profibus DP Slave Device Baud Rates Automatic baud rate detection in the range 9 6 Kbaud to 12 Mbaud Station Address 0 to 125 set by rotary switches Connection 9 pin Female D Sub connector Network Isolation 500 Vrms for 1 minute between Profibus network and sensor and user input commons Not isolated from all other commons DIGITAL OUTPUT CARDS PAXCDS The PAX2C controller has 6 available digital output option cards Only one PAXCDS card can be installed at a time Logic state of the outputs can be reversed in the programming These option cards include DUAL RELAY CARD PAXCDS10 Type Two FORM C relays Isolation To Sensor amp User Input Commons 2000 Vrms for 1 min Contact Rating O
18. Automatic and Manual the controlling outputs remain constant exercising true bumpless transfer When transferring from Manual to Automatic the power initially remains steady but Integral Action corrects if necessary the closed loop power demand at a rate proportional to the Integral Time Pip CONTROL OVERVIEW PROPORTIONAL BAND Proportional band is defined as the band of process units that the process changes to cause the percent output power to change from 0 to 100 The band may or may not be centered about the setpoint value depending upon the steady state requirements of the process The band is shifted by manual offset or integral action automatic reset to maintain zero error Proportional band is expressed as process display units OUTPUT REVERSE DIRECT POWER ACTING ACTING d 54 Digital P BAND P BAND Digital I 400 Output Output l I I I 0 l l TEMPERATURE HEATING COOLING SETPOINT The proportional band should be set to obtain the best response to a disturbance while minimizing overshoot Low proportional band settings high gain result in quick controller response at expense of stability and increased overshoot Settings that are excessively low produce continuous oscillations at setpoint High proportional band settings low gain result in a sluggish response with long periods of process dro
19. Bit 1 O2 Bit 0 Ot ED T e oU 4i Cool Power S o 1000 9 Readony 1 01 oS oras Resenvedforurewse LLL Bit 6 AutoTune 0 NO 1 YES Bit 5 MAN 0 PID Auto Mode 1 PID Manual User Mode Bit 4 PSEL 0 Primary PID 1 Alternate PID PID Control Flags 1000 Read Write ae 0 Enable Integral Action 1 Disable Integral Bit 2 RSPt 0 Local SP 1 Remote SP Bit 1 SPSL 0 SP1 1 Req SP2 Bit 0 SPrP 0 SP Ramping Enable 1 SP Ramping Disable 56 7 2 PX2FCA1 HEATER CURRENT INPUT FLEXCARD To access the Parameter Programming Selection Loop which follow an IPE or lut Main Programming Loop selection a hardware selection will be required To program the Heater Current Input FlexCard make a hardware selection of FEA I If more than one Heater Current Input FlexCard is installed verify that the Line 1 units is indicating the address FCx x Address 1 thru 3 of the FCAI card to be programmed If properly installed the FlexCard address is the same as the option slot position in which it is installed When installed in a PAX2C the Heater Current Input FlexCard Input Output and Alarm parameters become available in many PAX2C programming menu selections Heater Current Input FlexCard parameter selections are identified by the FlexCard address FCx where x Address 1 thru 3 If properly installed the FlexCard address is the same as the option slot position in which it is installed
20. N m Spring cage clamp terminal block top terminal block Wire Strip Length 0 28 7 mm Wire Gauge Capacity 24 16 AWG 0 2 1 5 mm PROCESS INPUT REMOTE SETPOINT CARD PX2FCA00 Note A maximum of two Process Input Remote Setpoint cards can be installed in a PAX2C Input Ranges 0 to 10 VDC 0 to 20 mA DC A D Conversion 16 bit 6 8 samples second Input Specifications ACCURACY INPUT MAX INPUT INPUT RANGE 0 50 C IMPEDANCE SIGNAL 10V 0 196 of span 538 KO 30V 20 mA 0 196 of span 100 150 mA HEATER CURRENT MONITOR CARD PX2FCA10 A D Conversion 16 bit 6 8 samples second Input Specifications Type Single phase full wave monitoring of load currents Input 100 mA AC output from current transformer RLC p n CT005001 or equiv Input Resistance 5 Q Accuracy 1 0 full scale 5 to 100 of range Frequency 50 to 400 Hz Overload 200 mA continuous Output on time delay for break alarm 1 second COMMUNICATION CARDS PAXCDC A variety of communication protocols are available for the PAX2C controller Only one PAXCDC card can be installed at a time Note For Modbus communications use RS485 Communications Output Card and configure communication EfPE parameter for Modbus SERIAL COMMUNICATIONS CARD PAXCDC1_ and PAXCDC2 Type RS485 or RS232 Communication Type Modbus ASCII RLC Protocol ASCID and Modbus RTU Isolation To Sensor amp User Input Commons 500 Vrms for 1 min Not Isolated from all other commons Data
21. Offset matches the reference temperature If not repeat steps 8 thru 14 Preparation for Analog Output Card Calibration Warning Calibration of this controller requires an external meter N with an accuracy of 0 005 or better Before starting verify that the precision voltmeter voltage output or current meter current output is connected and ready Perform the following procedure 1 After entering fodE IB select ANLB 2 Using the chart below step through the five selections to be calibrated At each prompt use the PAX2C EN and V2 keys to adjust the external meter display to match the selection being calibrated When the external reading matches or if the particular range is not in need of calibration press the P key to advance to the next range 0 00 mA FN and 2 to adjust External Meter 4 00 mA ex and VZ to adjust External Meter 20 00 mA rand VZ to adjust External Meter 0 00 V FN and YZ to adjust External Meter 10 00 V E and Z to adjust External Meter 3 Calibration Complete This parameter selection is affected by FlexCard installation See Section 7 0 Programming the FlexCard 7 0 PROGRAMMING THE FLEXCARD It is recommended that the FlexCard programming be performed using Crimson A FlexCard provides an additional input type for use in the PAX2C Depending on the FlexCard model additional Parameters and Outputs may also be available Section 7 0 subsections show the Parameter Programming Loop
22. Programming Selection Loop See Section 7 0 Programming the FlexCard for more details MAIN PROGRAMMING LOOP PARAMETER PROGRAMMING SELECTION LOOP 15 2 seconds PARAMETER PROGRAMMING LOOP Analog Input Setup Parameters User Input Function Key Parameters Analog Output Setup Parameters Digital Output Setup Parameters Display General Configuration Parameters Display Zone Configuration Parameters Display Line 2 Parameter Value Access Display Min Max Configuration Parameters Display Security Code Configuration Parameters PID Control Parameters PID Setpoint Parameters PID Parameters Output Power Parameters On Off Parameters PID Tuning Parameters Alarm Parameters USB Configuration Parameters Serial Communications Parameters Factory Service Operations Display Loop Section 6 1 1 6 2 1 6 2 2 6 3 1 6 3 2 6 3 3 6 3 4 6 3 5 6 4 1 6 4 2 6 4 3 6 4 4 6 4 5 6 4 6 6 5 1 6 6 1 6 6 2 6 1 INPUT PROGRAMMING PE INPUT SELECT Pra nn AMLE USEr nu Select the Input to be programmed Ifa FlexCard option card is installed a hardware selection programming loop will appear between the Main Programming Loop and the Parameter Programming Selection Loop See
23. Programming The FlexCard 2 2 2 2450000 cess eee eee RR eee eee 53 7 1 PAZFCAO Process Input FIexCard i423 34 33 3 d Rose CREER OCC Red CR P OR 53 7 2 PX2FCA1 Heater Current Input FlexCard 0 000002 eee 57 TGUDIECSHOOMNG GUE C Pm 61 ORDERING INFORMATION Controller Part Numbers eae Universal Input Temperature Process Controller with FlexBus Horizontal PX2C8H00 Universal Input Temperature Process Controller with FlexBus Vertical PX2C8V00 Option Card and Accessories Part Numbers Standard EE z Option Cards RS485 Serial Communications Card with Terminal Block PAXCDC10 Extended RS485 Serial Communications Card with Dual RJ11 Connector PAXCDC1C RS232 Serial Communications Card with Terminal Block PAXCDC20 een Extended RS232 Serial Communications Card with 9 Pin D Connector PAXCDC2C DeviceNet Communications Card PAXCDC30 Profibus DP Communications Card PAXCDC50 Analog Output Card PAXCDL10 FlexBus Process Input Remote Setpoint Input Card With Digital Outputs PX2FCAOO Heater Current Monitor Input Card With Digital Outputs PX2FCA10 USB Programming Cable Type A Mini B CBLUSBO1 Horizontal Replacement Case with knock out features RCPX2H00 Vertical Replacement Case with knock out features RCPX2V00 Note For Modbus communications use an RS485 Communications Output Card and configure communication EYPE parameter for Modbus This card is not suitable for use in older PAX2C models For pr
24. Read Write set 1 1 1 9999 9999 9999 9999 9999 0 ReadWrie AdweList AorBy 17 1 Display Unt 0 Readwrte ActveList AorBy 17 1DispyUmt 0 Readwrie o Reaiwrie 0 Reaawrite Active List Aor B 1 1 Display Unit 9e 0 ReadWite 9e 0 Reaawrie 9e 0 ReadWite 999 9 ReadWnte Active List or B Only for Band or Deviation Alarm Acton 999 o Read Write Active List A or B Only for Band or Deviation Alarm Action 47 REGISTER FACTORY ADDRESS REGISTER NAME LOW LIMIT HIGH LIMIT SETTING ACCESS COMMENTS 40051 Active Alarm 3 Band Dev Value 1999 9999 o Read Write Active List A or B Only for Band or Deviation Alarm Action 40052 Active Alarm 4 Band Dev Value 1999 9999 o Read Write Active List A or B Only for Band or Deviation Alarm Action cti i ion 40053 ive Alarm 5 Band Dev Value 1999 9999 o Read Write Active List A or B Only for Band or Deviation Alarm Action A 40054 Active Alarm 6 Band Dev Value 1999 9999 o Read Write Active List A or B Only for Band or Deviation Alarm Action 40055 Active Alarm 7 Band Dev Value 1999 9999 o Read Write Active List A or B Only for Band or Deviation Alarm Action 40056 Active Alarm 8 Band Dev Value 1999 9999 0 Read Write Active List A or B Only for Band or Deviation Alarm Action 40057 Active Alarm 9 Band Dev Value 1999 9999 0 ReadWrite Active List A or B Only f
25. Scaling Lust 10 These programming steps are only available when Analog Output Custom Scaling is set to ll ANALOG LOW SCALE VALUE 1999 9 9999 Enter the parameter value that corresponds to 0 mA 0 20 mA 4 mA 4 20 mA or 0 VDC 0 10 VDC ANALOG HIGH SCALE VALUE 1999 9 9998 Enter the parameter value that corresponds to 20 mA 0 20 mA 20 mA 4 20 mA or 10 VDC 0 10 VDC Non Linear Analog Output Scaling Lust 4E5 These programming steps are only available when Analog Output Custom Scaling is set to ME5 SCALING POINTS P to Ib Select the number of scaling points to be used to generate the Non p Linear Analog Output signal Each scaling point has a coordinate pair consisting of an Analog Output Value luk n for a corresponding parameter value di SP n PES Ri OUTPUT VALUE FOR SCALING POINT 1 i tod 0d Enter the first Analog Output Value by using the E or V2 arrow keys PARAMETER VALUE FOR SCALING POINT 1 1999 9 9998 Enter the first coordinating parameter value The decimal point follows the dfPt selection for the Analog Output Assignment value OUTPUT VALUE FOR SCALING POINT 2 tod ud Enter the second Analog Output Value by using the FN or Ezy arrow keys Follow the same procedure for each additional scaling point used PARAMETER VALUE FOR SCALING POINT 2 1999 to 9999 Enter the second coordinating parameter value Follow the same ocedure for each additional s
26. Univ Annun x Univ Annun x Univ Annun x Univ Annun x Univ Annun x Univ Annun x Univ Annunx Univ Annun x Univ Annunx Univ Annun x Display Color Units Unit 1 Unit 2 Display Mode Assignment Green Orange Red Backlight Green Orange Red Orange Red Green Mnemonic Mnemonic Mnemonic Backlight Backlight Assignment Backlight Backlight Backlight Assignment Assignment Assignment Assignment Assignment Mnemonics Mnemonics Mnemonics Mnemonics Mnemonics Mnemonics Mnemonics Display Color Green Orange Red Backlight Green Orange Red Orange Red Green Backlight Backlight Assignment Backlight Backlight Backlight Assignment Assignment Assignment Assignment Assignment ZONE CONFIGURATION LINE 1 amp LINE 2 in amp inc LINE 1 ASSIGNMENT LINE x DISPLAY COLOR MORE Pu Hi Lg Select the value to be assigned to the primary or top line of the controller display MONE Line 1 is Disabled Pil Input Process Value Bren l rf b rEd Enter the desired Display Line Bar Graph and Programmable Units Display color br n Green lr E Orange rEd Red HI Maximum Display Value LI Minimum Display Value This parameter selection is affected by FlexCard installation See Section 7 0 Programming the FlexCard 24 LINE x UNITS MNEMONIC OFF n DFF Disables display mnemonics Ili Enables display mnemonics Allows programming of up to three individual characters Wt 1 Ukg and UNEJ from a preprogrammed list The characte
27. assign the same selection to more than one output Line 2 mnemonic indicates the source from which the parameter value is derived PAX2C input Pel or FlexCard input FEx when installed x FlexCard address SPSL EnFL AGE Output not assigned HERE Heat Output Power CODI Cool Output Power All Alarm PAN Manual Control Mode active SPSL Setpoint 2 select D Pr P Setpoint Ramping in process ROPE Remote Setpoint active LOE Integral Lock enabled LunE Auto Tune in process Endn Auto Tune done EnFL Auto Tune fail OUTPUT CYCLE TIME Bl tob seconds The Output Cycle Time value is the sum of a time proportioned SEC output s on and off cycle With time proportional outputs the percentage of output power is converted into output on time of the output cycle time value For example if the controller s algorithm calls for 65 power and has a cycle time of 10 seconds the output will be on for 6 5 seconds and off for 3 5 seconds A cycle time equal to or less than one tenth of the process time constant is recommended This parameter is only available when the digital output assignment is configured as HERE or COOL OUTPUT LOGIC rEu Enter the logic of the output The nar logic selection leaves the output operation as normal on when active The rEu logic selection reverses the output logic off when active nar Output Cycle Time Available when ASEN MERE or CooL 22 Available
28. by pressing and holding the P key Full Programming will be accessible unless the controller is programmed to use the Hidden Parameter loop or PLO is active with fod D In this case programming access will be limited by a security code and or a hardware program lock Refer to the previous section for details on Line 2 display loops and limited programming access Full Programming permits all parameters to be viewed and modified In this mode the front panel keys change to Programming Mode Operations and certain user input functions are disabled 14 MAIN PROGRAMMING LOOP The Main Programming Loop provides access to seven main programming modules These modules group together functionally related parameters The F and VZ keys are used to select the desired programming module The displayed module is entered by pressing the P key PARAMETER PROGRAMMING SELECTION LOOP After entering P key a main programming module selection the user gains access to the programming selection loop This loop breaks down the specific module into more specific and detailed parameter groups For example the Input Parameter module provides for selection of Analog and User input parameters The F and VZ keys are used to select the desired parameter programming selection The parameter programming selection is entered by pressing the P key PARAMETER PROGRAMMING LOOP After entering P key a parameter in the parameter programming selection loop th
29. com port thus initiating a transmission During tj the command characters are under transmission and at the end of this period the command terminating character is received by the controller The time duration of t is dependent on the number of characters and baud rate of the channel t 10 of characters baud rate At the start of time interval ty the controller starts the interpretation of the command and when complete performs the command function This time interval t varies from 2 msec to 15 msec If no response from the controller is expected the controller is ready to accept another command If the controller is to reply with data the time interval t is controlled by the use of the command terminating character and the Serial Transmit Delay parameter dLAY The standard command line terminating character is This terminating character results in a response time window of the Serial Transmit Delay time LAY plus 15 msec maximum The dt parameter should be programmed to a value that allows sufficient time for the release of the sending driver on the RS485 bus Terminating the command line with results in a response time window t2 of 2 msec minimum and 15 msec maximum The response time of this terminating character requires that sending drivers release within 2 msec after the terminating character is received At the beginning of time interval t the controller responds with the first character of
30. connector with the main circuit board Main l l I Connectors option card connector and then press to fully engage the connector Verify the Circuit tab on the option card rests in the alignment slot on the display board Board I Analog Output 5 If installing an option card that includes a terminal block on the top of the Standard Card i hj Le Card option card a knock out on the top of the PAX case will need to be removed Connectors to allow the top terminal block to be inserted later Locate the 1 1 shaped knock out that aligns with the option slot for which the option card is being Serial Setpoint installed Carefully remove the knock out being careful not to remove Communications N l output additional knock outs Trim knock out tabs gates that remain on the case The top terminal block on the option card will need to be removed before Finger completing step 6 Pa Slot 4 V Tab 6 Slide the assembly back into the case Be sure the rear cover latches engage in the case If option card includes a top terminal block install top terminal block at this time is near a commercial radio transmitter Also Signal or Control cables within an enclosure should be routed as far away as possible from contactors control relays transformers and other noisy components 4 Long cable runs are more susceptible to EMI pickup than short cable runs 5 In extremely high EMI environments the use of external EMI
31. controller sets the Target Setpoint to the current process measurement and ramps to setpoint In a properly designed and functioning system the process will have followed the Target Setpoint value to the Setpoint value When using a Remote Setpoint this parameter may be used to establish a maximum rate of change of the Remote Setpoint reading If the controller or transmitter that supplies the Remote Setpoint reading is changing too rapidly resulting in control problems the ramp rate can be used to reduce the rate of change of the Remote Setpoint reading BPrr ea n LI REMOTE SETPOINT ASSIGNMENT nant oP Pu DP Select the value to be used as the Remote Setpoint The selections 5P setpoint and Pi process variable are typically used for slave ratio control applications while UP Output Power is used in internal cascade control applications The value selected would typically be associated with different hardware main input or FlexCard than what is being programmed unless running open loop applications The following programming steps are only available when the Remote Setpoint Assignment F5P is assigned PSP NONE REMOTE SETPOINT RATIO MULTIPLIER HOG to 9 999 RE io Enter the desired multiplier to be applied to the assigned remote i H Hf setpoint value REMOTE SETPOINT BIAS 1999 to 9999 n Enter the desired amount of bias offset to apply to the assigned B remote setpoint value bi AS R
32. dRER 1 B H Select either 7 or 8 bit data word lengths Set the word length to match the other serial communications equipment on the serial link Parity Bit selection is only available when Data Bit dALA is 7 PARITY BIT PHrh EVEN Odd ng Set the parity bit to match that of the other serial communications equipment on the serial link The controller ignores the parity when receiving data and sets the parity bit for outgoing data If no parity is selected with 7 bit word length an additional stop bit is used to force the frame size to 10 bits METER UNIT ADDRESS ll to 99 RLC Protocol tog 4 1 Modbus Select a Unit Address that does not match an address number of any other equipment on the serial link Meter Unit Address Abbreviated Printing Print Options Transmit Delay TRANSMIT DELAY gogi to i258 seconds 663499 Following a transmit value terminator or Modbus command the PAX2C will wait this minimum amount of time in seconds before issuing a serial response The following programming steps are only available when Communications Type EYPE is programmed for rLL FlexCards are not supported in RLC Protocol ABBREVIATED PRINTING Rhru n YES SRL nn Select fi for full print or Command T transmissions meter address mnemonics and parameter data or YES for abbreviated print transmissions parameter data only This will affect all the parameters selected in the print option
33. desired When programmed for Heating action reverse the output power decreases when the Process Value is above the setpoint value When programmed for Cooling direct the output power will increase if the Process value is above the Setpoint Value botH PID CONTROL MODE ErnF Auto MAR Ruta Select Automatic or Manual Operation In Automatic Auta mode closed loop On Off or PID Control the controller calculates the required output to reach and maintain setpoint and responds accordingly In manual mode MAM the calculated PID algorithm heat and cool output percentages are not used to control the controller outputs The controller is instead placed into an open loop mode where the control does not work from a setpoint or process feedback The following programming step is only available when PID Control Mode is set to Manual Mode MA OUTPUT POWER BP 1005 to 1200 Output Power is the level the Control Output assigned to OP will B assume when exiting programming A positive value represents heat power and a negative value represents cool power This parameter can also be accessed in the Display Parameter or Hidden Loops when enabled in Display LICS Parameter Programming Loop 6 4 2 PID PARAMETERS SETPOINT PARAMETERS 37 SETPOINT SELECTION J oP ot SPI SP 5 p I Select the desired Setpoint Value SP1 or SP2 to use as the control point SETPOINT 1 VALUE GP 1999 93739 nn One of the two value
34. in the Boolean logic calculation If the Alarm Logic is assigned as Single SNGL the last alarm selected as YES will be used Pressing the D key completes the Alarm Mask Assignment and advances to the next Backlight Color Assignment The following programming steps are only available in the Advanced Operating Mode These parameters allow Universal Annunciator x backlights to change color or alternate between two colors when the mapped parameter is activated When multiple backlight assignments are programmed for a particular zone the color priority is defined as follows from Lowest to Highest brn Orb rEd Bnllr rdir rdbn BACKLIGHT ASSIGNMENT DESCRIPTIONS MONE Backlight color change disabled 5 P 51 Setpoint 2 Select Gut Output 1 Gute Output 2 Gut J Output 3 fuk Output 4 Hir Alarm PIAR Manual Control Mode 5 Pr P Setpoint Ramping in process RSPE Remote Setpoint Active LIE Integral Lock enabled EunE Auto Tune in process Endn Auto Tune Done EnFL Auto Tune Fail This parameter selection is affected by FlexCard installation See Section 7 0 Programming the FlexCard UNIVERSAL ANNUNCIATOR x GREEN BACKLIGHT ASSIGNMENT MONE Duti SPSL Brn UAx MONE Duke uE3 uk Abe MAR SPrP RSPE ILOC tunE Endn EnfL Assign the parameter to be used to activate the Green backlight on Universal Annunciator n UNIVERSAL ANNUNCIATOR x ORANGE BACKLIGHT ASSIGNMENT Bi nb Ufix AD
35. ng 4ES Selects the alarms to be logically combined per the Alarm Logic Assignment Alarms configured as YE5 will be used in the Boolean logic calculation If the Alarm Logic is assigned as Single SNGL the last alarm selected as YES will be used Pressing the D key completes the Alarm Mask Assignment and advances to the next Backlight Color Assignment This parameter selection is affected by FlexCard installation See Section 7 0 Programming the FlexCard MNEMONICS GREEN BACKLIGHT ASSIGNMENT MNEMONICS GREEN ORANGE BACKLIGHT ASSIGNMENT hrn none Bub Dub Buk Buk Ale PAR hnl r none Bub Duk Buk Butt Alr PAAR SPSL SPeP RSPE ILDL EunE Endn EnFL SPSL SPeP RSPE ILOE tunE Endn EnFL NONE NONE Assign the parameter to be used to activate the Green backlight for Assign the parameter to be used to activate the alternating Green the mnemonics Orange backlight for the mnemonics MNEMONICS ORANGE BACKLIGHT ASSIGNMENT MNEMONICS RED ORANGE BACKLIGHT ASSIGNMENT UrWB none Duki Duk Oued duty Aie man Jr r none Ouk Dub Out Qut Abr MAN SPSL SPeP RSPE ILDL kunE Endn EnFL SPSL SPeP RSPE LDL EunE Endn EnFL NONE NONE Assign the parameter to be used to activate the Orange backlight Assign the parameter to be used to activate the alternating Red for the mnemonics Orange backlight for the mnemonics MNEMONICS RED BACKLIGHT ASSIGNMENT MNEMONICS RED GREEN BACKLIGHT ASSIGNMENT MONE Assign the paramete
36. on off control mode proportional band 0 DEVIATION EN TIME OUTPUT INTEGRAL OUTPUT POWER PROPORTIONAL OUTPUT TIME BASED ON THE THREE PID SETTINGS INTEGRAL TIME I l i NOTE TOTAL OUTPUT POWER IS CALCULATED I I L DERIVATIVE TIME Derivative time is defined as the time in seconds in which the output due to proportional action alone equals the output due to derivative action with a ramping process error As long as a ramping error exists the derivative action is repeated by proportional action every derivative time The units of derivative time are seconds per repeat Derivative action is used to shorten the process response time and helps to stabilize the process by providing an output based on the rate of change of the process In effect derivative action anticipates where the process is headed and changes the output before it actually arrives Increasing the derivative time helps to stabilize the response but too much derivative time coupled with noisy signal processes may cause the output to fluctuate yielding poor control Little or no derivative action usually results in decreased stability with higher overshoots No derivative action usually requires a wider proportional band and slower integral time to maintain the same degree of stability as with derivative action Derivative action is disabled by setting the time to zero i DEVIATION
37. parameters in the Display Parameters programming section for configuration details Decrement selected parameter value Hold 2 and momentarily press FA key to decrement next decade or D key to decrement by 1000 s UNIVERSAL ANNUNCIATOR ZONES Color Zone 3 6 The PAX2C has four programmable universal annunciator zones UAn UAn4 Each zone has a user defined two digit annunciator mnemonic to suit a variety of applications Universal annunciator zones are tri colored and may be configured to change color based on specified alarm logic conditions LINE 2 DISPLAY LOOPS The PAX2C offers three display loops to allow users quick access to needed information Display loops provide quick access to selected parameters that can be viewed and modified on Line 2 without having to enter Full Programming mode These values may include input max min List A B selection output power PID parameters control alarm parameters setpoint values selection and display intensity and contrast settings MAIN DISPLAY LOOP Code 0 PLOC Disabled Code 0 PLOC Enabled e Code 1 250 PLOC N A 5 DisPLAY LOoP Held DISPLAY LOOP VALUE VALUE S CHANGE DISPLAY LOOP CHANGE dEnt ANGE dEnt Held i En PARAMETER P PARAMETER DISPLAY DISPLAY LOOP PARAMETER LOOP DISPLAY C LOOP TT P L dt Wrong 1 250 code P
38. program section The key sequence required to make a change is dependent on the display loop F in which the change is being performed Refer to the Parameter Access Parameter and Hidden Loop Parameter Access descriptions that follow for the specific key sequence required Pressing the P Parameters selected as PrEd PEnt HrEd or HEnt will be consecutively key takes you into the Parameter Loop and is also used to step through the loop displayed on Line 2 when advancing through the Parameter or Hidden display Parameters may be configured for multiple display loop access selections Not loops The P key is used to advance through these loops While viewing a all settings are available for each parameter The Parameter Access table parameter selected as PEnt or HEnE the parameter setting can be changed by indicates which settings are available for each parameter using the and VZ keys to make a change and then pressing the P key to make the change active and advance to the next available parameter The Line 2 units mnemonic indicates the parameter currently being displayed on Line 2 Function drEd View in Main display loop Cannot change or reset keys are disabled while in the Parameter and Hidden display loops SELECTION DESCRIPTION 28 LINE 2 PARAMETER VALUE ACCESS PARAMETER ACCESS SELECTIONS PARAMETER PARAMETER DISPLAY HIDDEN DISPLAY SELECTION PARAMETER DESCRIPTION MAIN DISPLAY D KEY P KEY AFTER CODE m a prre a a a e ee ae e
39. range for temperature control Temperature and 100 0 for process control Voltage Current 2 Set both the Integral Time nt and Derivative Time dErt to 0 seconds 3 Set the active PID Power Filter FLEr to 0 seconds 4 Set the Output Cycle Time CULE to no higher than one tenth of the process time constant when applicable 5 Place the controller into Manual Control Mode A and adjust the Power to drive the process value to the Setpoint value Allow the process to stabilize after setting the Power 41 stabilize and starts to oscillate set the Proportional Band two times higher and go back to Step 5 If the process is stable decrease Proportional Band setting by two times and change the Setpoint value a small amount to excite the process Continue with this step until the process oscillates in a continuous nature Fix the Proportional Band to three times the setting that caused the oscillation in Step 7 9 Set the Integral Time to two times the period of the oscillation 10 Set the Derivative Time to 1 8 0 125 of the Integral Time 11 Set the Output Filter to 1 40 0 025 the period of the oscillation N oo 6 5 ALARM PROGRAMMING Flr ALARM PARAMETER MENU SELECTION AL i AL 2 AL 3 AL 4 Basic Mode RL 5 through AL B Advanced Mode Select the Alarm parameter to be programmed Please see the Digital Output Parameter s Configuration area for more information about mapping an alarm
40. set to zero unless an offset is desired 6 6 PORT PROGRAMMING Part PORT PARAMETER MENU SELECTION uSb 5ErL Select the Communication Port Mode 6 6 1 USB Port PARAMETERS i55 USB SETUP CFE SErL CNF E Configures USB with settings required to operate with Crimson configuration software This will internally configure the PAX2C USB port to use Modbus RTU protocol 38400 baud 8 bits and controller address of 247 The serial port settings in the Serial Parameters 5ErL will not change or show this SE Configures USB to utilize serial settings and protocol as configured in the Serial Parameters 44 6 6 2 SERIAL PORT PARAMETERS 5Eri Baud Rate Communications Type COMMUNICATIONS TYPE EYPE SRL ASE ASE Modbus ASCII rLL RLC Protocol ASCII r ku Modbus RTU Select the desired communications protocol Modbus provides access to all controller values and parameters RLC Protocol is limited to commands and registeres listed on page 47 Since Modbus protocol is included within the PAX2C the PAX Modbus option card PAXCDC4 should not be used An RS485 PAXCDC1 or RS232 PAXCDC2 communications card should be used BAUD RATE iod Hod AGO J600 Sep BMP Set the baud rate to match the other serial communications equipment on the serial link Normally the baud rate is set to the highest value that all the serial equipment are capable of transmitting and receiving DATA BIT
41. suppression devices such as Ferrite Suppression Cores for signal and control cables is effective The following EMI suppression devices or equivalent are recommended Fair Rite part number 0443167251 RLC part number FCOR0000 Line Filters for input power cables Schaffner FN2010 1 07 Red Lion Controls LFIL0000 6 To protect relay contacts that control inductive loads and to minimize radiated and conducted noise EMI some type of contact protection network is normally installed across the load the contacts or both The most effective location is across the load a Using a snubber which is a resistor capacitor RC network or metal oxide varistor MOV across an AC inductive load is very effective at reducing EMI and increasing relay contact life b If a DC inductive load such as a DC relay coil is controlled by a transistor switch care must be taken not to exceed the breakdown voltage of the transistor when the load is switched One of the most effective ways is to place a diode across the inductive load Most RLC products with solid state outputs have internal zener diode protection However external diode WIRING OVERVIEW Electrical connections are made via terminals located on the back or top of the controller All conductors should conform to the controller s voltage and current ratings All cabling should conform to appropriate standards of good installation local codes and regulations It is recommended that the power su
42. unique functions when used with the PAX2C WARNING Exposed line voltage will be present on the circuit boards when power is applied Remove all power to the controller AND load circuits before accessing the controller CAUTION The option and main circuit boards contain static sensitive components Before handling the cards discharge static charges from your body by touching a grounded bare metal object Ideally handle the circuit boards at a static controlled clean workstation Dirt oil or other contaminants that may contact the circuit boards can adversely affect circuit operation To Install 1 For option card specific installation instructions see the installation instructions provided with the option card being installed 2 When handling the main circuit board hold it by the rear cover When handling the option card hold it by the terminal block 3 Remove the main assembly from the rear of the case by squeezing both finger Alignment TOP VIEW holds on the rear cover and pulling the assembly out of the case Or use a Slots small screwdriver to depress the side latches and pull the main assembly out of the case Do not remove the rear cover from the main circuit board l 4 Locate the appropriate option card slot location on the main circuit board Align the option card terminal block with the slot terminal block position on j E i i i E FlexCard the rear cover Align the option card
43. when Available when E mg m Output Logic Alarm Mask Assignment Alarm Logic Assignment The following two programming steps become available when the Digital Output Selection is configured as Alr Alarm ALARM LOGIC ASSIGNMENT SABEL And r The PAX2C supports three different modes when an output is assigned as Alr Alarm BEBE Any single alarm Selecting YES to any selection will change other alarm selections to Mil And Allows multiple alarms to be mapped to an output using AND Boolean logic For example If A and A 2 are active the output will energize lr Allows multiple alarms to be mapped to an output using OR Boolean logic For example IfA or A 2 are active the output will energize ALARM MASK ASSIGNMENT ng YES Selects the alarms to be logically combined per the Alarm Logic Assignment Alarms configured as 5 will be used in the Boolean logic calculation If the Alarm Logic is assigned as Single SNGL the last alarm selected as YES will be used Pressing the D key completes the Alarm Mask Assignment and returns to Digital Output Selection 2 This parameter selection is affected by FlexCard installation See Section 7 0 Programming the FlexCard 6 3 DISPLAY PROGRAMMING d 5 p DISPLAY SELECT ro nn CAFE cone LUOES Hii L dE If a FlexCard option card is installed a hardware selection menu will appear when entering the Parameter Programming Lo
44. z Potentiometer Signal as Voltage Input 2 wire requiring T z 3 wire requiring excitation e excitation Be Terminal 3 High end of pot Terminal 3 Jumper to Oo T 8 Terminal 7 Wiper O of a terminal 7 s Lr amp i Terminal 8 Low end of pot 25 E a Terminal 7 Resistance gt gt m Excitation Jumper 2 V REF gt gt zZ Terminal 8 Resistance 3 7 8 1 TV Jumper V Excitation Jumper i Voltage Resistance Input Jumper 2 Volt 3 7 8 1 05 mA REF 1 05 mA Module 1 Input Range 2 Volt 2V T V Jumper V position A REF 1 Note The Apply signal scaling style 2V REF Pub Voltage Resistance Input should be used because the signal Jumper Set per input signal 10K MAX will be in volts Rmin 1KQ CAUTION Sensor input common is NOT isolated from user input common In order to maintain safe operation of the controller the sensor input common must be suitably isolated from hazardous live earth referenced voltages or input common must be at protective earth ground potential If not hazardous live voltage may be present at the User Inputs and User Input Common terminals Appropriate considerations must then be given to the potential of the user input common with respect to earth common and the common of the isolated option cards with respect to input common 4 3 TEMPERATURE INPUT SIGNAL WIRING IMPORTANT Before connecting signal wires verify the T V Jumper is in the T position 2 Wire RTD CAUTION Sensor input common i
45. 999 to 9999 display units Thermocouple Inputs Input Impedance 20MQ Lead Resisitance Effect 0 03 un V O Max Continuous Overvoltage 30 VDC INPUT ACCURACY ACCURACY A NDARD WIRE COLOR TYPE 18 to 28 C 0to 50 C ANSI BS 1843 T 200 to 400 C 1 2 C 2 1 C irs go blue white red blue E 200t0 750 C 1 0 C 24 C irs oo Purple t brown red blue J 200t0 760C 1 1 C 23 ms oo white yellow red blue K 200to1250C 3C 34 C rTs 90 Yellow brown red blue o o o no white o o o o white 150 to 300 C 3 9 C 5 7 C irsop ne no 300 to 1820 C 2 8 C 4 4 C andard standard N 200to1300C 43 3 t c imrg 9o orange orange red blue C o o s ASTM v no RTD Inputs Type 3 or 4 wire 2 wire can be compensated for lead wire resistance Excitation current 100 ohm range 136 5 pA 10 10 ohm range 2 05 mA 10 Lead resistance 100 ohm range 10 ohm lead max 10 ohm range 3 ohms lead max Max continuous overload 30 VDC eem ee ens Epod RES EE zum Resistance Inputs TTia aloalo a gt 0 05 of rdg 0 2 of rdg 999 ohm 0 3 ohm 0 4 ohm 1 75 V 1 ohm 0 05 of rdg 0 2 of rdg 9999 ohm i ohm 41 5 ohm 17 5V 1 ohm Higher resolution can be achieved via input scaling After 20 min warm up 5 samples per second input update rate Accuracy is specified in two ways Accuracy over an 18 to 28 C and
46. AT COOL DEADBAND VALUE dEAd gt 0 INPUT i SP 1 2 dERd 1 2 HYSE SP 1 2 dERd SP 1 2 dERd 1 2 HYSE SP SP 1 2 dERd 1 2 HYSE SP 1 2 dERd SP 1 2 dERd 1 2 HYSE Heat Digital Output Cool Digital Output ON OFF ON HEAT COOL DEADBAND VALUE dEAd lt 0 PID CONTROL In PID Control the controller processes the input and then calculates a control output power value by use of a specialized control algorithm The system is controlled by the output power value to keep the process at the setpoint The Control Action for PID Control can be set to reverse for heating output on when below the setpoint or direct for cooling output on when above the setpoint applications For heat and cool systems the heat and cool outputs are used The PID parameters can be established by using Auto Tune or they can be manually tuned to the process TYPICAL PID RESPONSE CURVE P amp I TIME PROPORTIONAL PID CONTROL In Time Proportional applications the output power is converted into output On time using the Cycle Time For example with a four second cycle time and 75 power the output will be on for three seconds 4 x 0 75 and off for one second The cycle time should be no greater than 1 10 of the natural period of oscillation for the process The natural period is the time it takes for one complete oscillation when the process is in a continuousl
47. CUT OUT SCREWS 2 0 SETTING THE JUMPERS The PAX2C controller has four jumpers that must be checked and or changed Current Input prior to applying power The following Jumper Selection Figures show an For current input only one jumper must be configured to select the current enlargement of the jumper area range This jumper is shared with the voltage input range To avoid overloads To access the jumpers remove the controller base from the case by firmly select the jumper position that is high enough to accommodate the maximum squeezing and pulling back on the side rear finger tabs This should lower the signal input level to be applied latch below the case slot which is located just in front of the finger tabs It is Note The position of the T V jumper does not matter when the controller is recommended to release the latch on one side then start the other side latch in the current input mode Warning Exposed line voltage exists on the circuit boards Remove Temperature Input all power to the controller and load circuits before accessing inside For temperature measurement the T V jumper must be in the T temperature of the controller position For RTD sensors the RTD jumper must also be set FRONT DISPLAY Resistance Input Three jumpers are used to configure the resistance input The T V jumper must be in the V voltage position and the excitation jumper must be in the Main 1 05 mA REF position The voltage resistance jumper position is de
48. EMOTE SETPOINT TRANSFER ROPE LDE pm nr Select whether to use the Local Setpoint LOD or the Remote BIL Setpoint RFE as the control setpoint This parameter can also be accessed in the Display Parameter or Hidden Loops when enabled in Display LO 5 Parameter Programming Loop 6 4 3 PID PARAMETERS PID PARAMETERS PF i PID PARAMETER SELECTION Pad Pra RLE p Select the desired set of PID values Primary or Alternate to be SEL used in the PID calculation PRIMARY ALTERNATE PROPORTIONAL BAND ror 1109999 n The Proportional Band entered as process units is the amount of LI Process Value change required to vary the output full scale The Proportional Band is adjustable from 0 to 9999 and should be set to a value that provides the best response to a process disturbance while minimizing overshoot A Proportional Band of 0 forces the controller into On Off Control with its characteristic cycling at setpoint The optimal value may be established by invoking Auto tune L3 m tL PRIMARY ALTERNATE INTEGRAL TIME ntt D tob 5000 seconds The Integral Time is the time in seconds that it takes the integral action to equal the proportional action during a constant process error As long as the error exists integral action is repeated each Integral Time The higher the value the slower the response The optimal value may be established by invoking autotune For integral times greater than 9999 the value is settable in increm
49. I may be used to constrain the Remote Setpoint value to safe limits or narrow the operating range for stability purposes See AUTO TUNE on page 40 for tuning procedure of Cascade controllers PRIMARY PROCESS SECONDARY PROCESS SECONDARY PRIMARY PROCESS PROCESS SENSOR OUTPUT SENSOR OUTPUT 39 AUTO TUNE EXPLANATIONS AUTO TUNE Auto Tune is a user initiated function where the controller automatically determines the Proportional Band Integral Time Derivative Time Digital Filter Control Ouput Dampening Time and Relative Gain Heat Cool values based on the process characteristics The Auto Tune operation cycles the controlling output s at a control point three quarters of the distance between the present process value and the setpoint The nature of these oscillations determines the settings for the controller s parameters Prior to initiating Auto Tune it is important that the controller and system wiring and operation be verified This can be accomplished in On Off Control or Manual Control Mode If there is a wiring system or controller problem Auto Tune may give incorrect tuning or may never finish Auto Tune may be initiated at a start up process value when at process setpoint or at any other process point However insure normal process conditions example minimize unusual external load disturbances as they will have an effect on the PID calculations TEMPERATURE 4 SP TYPICAL RESPO
50. IN DELAY TIME G8 to 9955 seconds When the input display is below the current MIN value for the Min Delay time LU E the controller will capture the display value as the new min value Longer delay time helps to avoid false captures of short input fluctuations 7 2 2 HEATER CURRENT MONITOR OurPur PARAMETERS lut FLA I Cur Pro ng Duk i duke Hardware Selection Digital Output Selection 57 DIGITAL OUTPUT SELECTION fuk Dut Selects the digital output to be programmed 7 2 3 HEATER CURRENT MONITOR DISPLAY PARAMETERS LLS FLA I Cur To program the PAX2C to display parameters originating from the Heater Current Monitor Input FlexCard a hardware selection following a LUES selection in the Parameter Programming Selection Loop is provided See FCA1 PARAMETER VALUE ACCESS Table for a list of PX2FCA1 parameters that can be displayed on Line 2 of the PAX2C Pro DISPLAY SELECT nn nu CAFR 20nE LOCS Hid OCDE Select the display parameters to be programmed Pro di SP 6 Display Hardware Select Selection FCA1 PARAMETER VALUE ACCESS PARAMETER ACCESS SELECTIONS PARAMETER PARAMETER SELECTION DESCRIPTION MAIN DISPLAY D KEY AFTER CODD dEnt PrEd PEnt Pu input Process vawe CT x mee li Reset Maximum and Minimum Values L x e ee EARE Ex x x X X X X x 3 rna a BR xIx x x x 3 aad 7 2 4 HEATER CURRENT MONITOR ALARM PARAMETERS H x
51. ISCONNECT OPTION CARDS WARNING Disconnect all power to the controller before installing option cards Adding Option Cards The PAX2C controller can be fitted with up to three option cards FlexCard option cards can be placed in any of the three available PAX2C option card slots and allows for multiple and duplicate 2 max FlexCards to be used in a single controller Standard option cards require that the option card be placed in a specific PAX2C option card slot Standard option card use is also limited to only one option card for each function type The function types include Setpoint Control PAXCDS Communications PAXCDC and Analog Output PAXCDL Option cards can be installed initially or at a later date ANALOG INPUT FLEXCARDS PX2FCA Analog Input FlexCard option cards can be placed in any of the three available PAX2C option card slots and allow for multiple and duplicate 2 max FlexCards to be used in a single controller BOTH ANALOG INPUT FLEXCARDS Output Specifications Four Solid State NFET outputs Type Switched DC N Channel open drain MOSFET Current Rating 1 A DC max VDS ON lt 0 2V 1A VDS Max 30 VDC Offstate Leakage Current 0 5 uA max Output Power Supply Vout 18 to 25 VDC 40 mA maximum Connections High compression cage clamp terminal block rear terminal block Wire Strip Length 0 3 7 5 mm Wire Gauge Capacity 26 to 16 AWG 0 14 to 1 5 mm Torque 4 4 5 3 inch lbs 0 5 0 6
52. LAY VALUE FOR SCALING POINT 1 1999 to 9999 Enter the first coordinating Display Value by using the arrow keys This is the same for KEY and APLY scaling styles The decimal point follows the dfPk selection INPUT VALUE FOR SCALING POINT 2 1999 to 9999 For Key in KEY enter the known second Input Value by using the arrow keys For Apply APLY the existing programmed value will appear If this is acceptable press the P key to save and continue to the next parameter To update program this value apply the input signal that corresponds to Scaling Point 2 press V2 key and the actual signal value will be displayed Then press the P key to accept this value and continue to the next parameter Follow the same procedure if using more than 2 scaling points DISPLAY VALUE FOR SCALING POINT 2 1999 to 9999 Enter the second coordinating Display Value by using the FVor VZ arrow keys This is the same for KEY and APLY scaling styles Follow the same procedure if using more than 2 scaling points ENABLE SCALE LIST no YES fi Scaling points from List A are active without regard to List A List B selection YES Enables List B scaling points When List A is selected List A scaling points are active When List B is selected List B scaling points are active pw Temperature type only Process type only 6 1 2 User InputT FUNCTION KEY PARAMETERS 1 5Er UREE Fe US SCF uore SEFE j I U
53. LP0890 UsER MANUAL PAX2C 1 8 DIN TEMPERATURE PROCESS PID CONTROLLER WITH FLEXBUS SAFETY SUMMARY All safety related regulations local codes and instructions that appear in this literature or on equipment must be observed to ensure personal safety and to prevent damage to either the instrument or equipment connected to it If equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired Do not use this controller to directly command motors valves or other actuators not equipped with safeguards To do so can be potentially harmful to persons or equipment in the event of a fault to the controller cE cVYL Jus ListeD 3RSD PROCESS CONTROL EQUIPMENT all power to the controller and load circuits before accessing inside Warning Exposed line voltage exists on the circuit boards Remove of the controller CAUTION Risk of Danger Read complete instructions prior to installation and operation of the unit CAUTION Risk of electric shock Ordering IN Ormation Lr 4 Using This Manlal uem cos codes ta pee EREEERAGUMESG e Ree a E d a a x 5 Crimson Programming Software iissss suu RR REX OE RD REG RE X RR RR ROS 5 General Controller Specifications uou Ces ae a cC CC e ic oic ms 6 Optom Cards soss gcas desiran a ee e ea e n a E E R E E E 8 1 0 Installing the COnwollen uiui hg ER RERO RR Sea s ie ebeceeees S85 10 2 0 Setting the JUMperS occ te he ek
54. NSE CURVES 2 WITH PID TUNING CODES 0 TO 4 1 0 TIME AUTO TUNE PID TUNING CODE FIGURE INITIATE AUTO TUNE Below are the parameters that affect Auto Tune calculations If changes are needed then they must be made before starting Auto Tune Please note that it is necessary to configure the input and control alarm outputs prior to initiating auto tune Paseo ramen 1 Enter the Setpoint value via the PID Menu or via the Display Parameter or Hidden Menu Loop Menu if enabled 2 Initiate Auto Tune by changing Auto Tune tunf to YES via the PID Menu or via the Display Parameter or Hidden Menu Loop Menu if enabled 3 During Auto Tune Autx will be displayed on Line 2 where x Auto Tune phase 1 4 AUTO TUNE PROGRESS The controller will cycle the controlling output s to generate four phases The bottom display will flash the phase number Parameter viewing is permitted during Auto Tune The time to complete the Auto Tune phases is process dependent The controller should automatically stop Auto Tune and store the calculated values when the four phases are complete If the controller remains in Auto Tune unusually long there may be a system problem Auto Tune may be stopped by entering lU in the Initiate Auto Tune Parameter tun AUTO TUNE OPERATION REVERSE ACTING INPUT SETPOINT AUTO TUNE HS CONTROL f N gx HEINE nuvs f NJ NU AUTO TUNE AUTO TUNE COMPLETE PID SETTINGS ARE CALCULATED
55. Pid SP RSP OP Pet FE o Oe bR5 The following data configures the Output of the PAXCDL10 Pro Gut Duk Edl Analog output programming for steam valve position EYPE J i Configure for O to 10 Volt output ASEA GP Assign to follow Output Power of PX2FCAO FCx where x address of PX2FCAO ALG 000 Configure to provide O volt signal at 0 0 OP closed ANH ii Configure to provide 10 volt signal at 100 0 OP open The following data configures the Input and Setpoint of the PAX2C primary controller Pra VPE PAPE Pet PE ARLE EYPE Ec E SEA E IEE of Input programming for primary loop Analog input programming Configure for type T thermocouple Display temp in degree C Turn on ice point compensation Pro Pid Pid Pet PID programming of primary loop Pid 5P Remote Setpoint programming of primary loop SP 285 Enter primary loop setpoint In some cases the Remote Setpoint signal may change too rapidly or have excessive process noise This may lead to instability or even oscillation of the secondary controller The Setpoint Ramp Parameter SPrP and SPrr is effective in limiting the amount of change to the secondary process due to the Remote Setpoint value change The Setpoint Ramp Rate parameter should be set to a minimum value that is consistent with the response time of the primary process Additionally Setpoint Limit Low and Setpoint Limit High parameters SPLO SPH
56. RE Dub Huk2g Dubk3 Buk Abe MAN AGRE SPSL SPrP RSPE ILOC kunE Enda EnFL Assign the parameter to be used to activate the Orange backlight on Universal Annunciator x UNIVERSAL ANNUNCIATOR x RED rEd BACKLIGHT ASSIGNMENT Ufix AONE Dub Duk Dubk3 Bok Air MAN AGRE SPSL SPrP RSPE ILOC kun Enda EnFL Assign the parameter to be used to activate the Red backlight on Universal Annunciator x UNIVERSAL ANNUNCIATOR x GREEN ORANGE brllr Uflx BACKLIGHT ASSIGNMENT MONE Bub Duke Duti Duk Abe MAN SPSL SPrP RSPE jLBL LunE bnda EnFt Assign the parameter to be used to activate the alternating Green Orange backlight on Universal Annunciator x MONE UNIVERSAL ANNUNCIATOR x RED ORANGE BACKLIGHT ASSIGNMENT MONE Dub Gute Duti Duk Abe MAN SPSL SPrP RSPE jLBL LunE Enda EnFt Assign the parameter to be used to activate the alternating Red Orange backlight on Universal Annunciator x UNIVERSAL ANNUNCIATOR x RED GREEN BACKLIGHT ASSIGNMENT AONE Bub Gute Outi Duk Abe MAN SPSL SPrP RSPE jLBL LunE Enda EnFt Assign the parameter to be used to activate the alternating Red Green backlight on Universal Annunciator x ZONE CONFIGURATION Mnemonics Mn MNEMONICS DISPLAY COLOR Era Orflh rEd Enter the desired Mnemonics Display color firn Green fir lb Orange rEd Red The following programming steps are only available in the Advanced Operating Mode These parameters allow the mnemonic backlight
57. REE User Input Active State USr User Input 1 U5r 2 User Input 2 F Function Key 1 Fg Function Key 2 SEF Second Function Key 1 SF Second Function Key 2 USER INPUT ACTIVE STATE Lo Hi Select the desired active state for the User Inputs Select Lo for sink input active low Select H for source input active high The active state of the user input must be selected before programming the function of the specific user input USER INPUT FUNCTION KEY SELECT The two user inputs are individually programmable to perform specific control functions While in the Display Mode or Program Mode the function is executed the instant the user input transitions to the active state The front panel function keys E and VZ are also individually programmable to perform specific control functions While in the Display Mode the primary function is executed the instant the key is pressed Holding the function key for three seconds executes a secondary function It is possible to program a secondary function without a primary function In most cases if more than one user input and or function key is programmed for the same function the maintained level trigger actions will be performed while at least one of those user inputs or function keys are activated The momentary edge trigger actions will be performed every time any of those user inputs or function keys transition to the active state Note In the following exp
58. SELECTION PARAMETER DISPLAY HIDDEN DISPLAY Input Process Value Pu PE rum Max Value a eee eee E E E EAE RP Remote Setpoint Value Ex o x STs OP Output Power must be in manual mode toed x x x x x x fu Deviation ee SPrP__ SetpointRamping oo Po x ox x J x x x FE Remote Setpoint Ratio Mutipier oo x x x x x BIAS Remote SetpointBias x x x x x i OFSE output onset ee Prof Proportonal Bang e e e laa EEEREN lnk Integral Time E Derivative Time eH Reset Maximum and Minimum Values Jo o oS x So SPrP_ Setpoint Ramping Disable P x x x J x x x ot integral Action tock o Box ox x J x x x ErnF Automanuai ControlMode x x x x x x PL PID Parameter Selection TT x x x x x Ent TmigEmbe ee x j x x x 54 e Fri pevam O x LL IL rio Reset Minimum vale S x J x ox FACE 7 1 4 Process PID PARAMETERS F d FLAU Pre Pro PID PARAMETER MENU SELECTION ng tru oP Pid Phir OngF bunk Select the PID parameter menu to be programmed Hardware PID Parameter Selection Menu Selection 7 1 5 Process FACTORY SERVICE PARAMETERS LAL FLAU Prc FACTORY SERVICE CODE tog5 Enter the Service Code for the desired operation Controller Hardware Calibration Selection Preparation for Voltage and Current Input Calibration Warning Input Calibra
59. Section 7 0 Programming the FlexCard for more details 6 1 1 ANALOG INPUT PARAMETERS iib This section details the programming for the analog input Input Temperature Ice Point Enable Input Decimal Rounding Offset Digital Scaling Scaling Input n Display n Enable Type Scale Compensation Square Update Resolution Increment Value Filter Points Style Value Value Scale Root Rate List wg Temperature Type Only Process Type Only INPUT TYPE SQUARE ROOT EYPE en Zu t PES Fook YES ng Li BA gu ie RES l L ng This parameter allows the controller to be used in applications in cru oma dd AER which the measured signal is the square of the process value PU co mA tu u This is useful in applications such as the measurement of flow with eR ein u a differential pressure transducer call mi 0 RES Example It is necessary to square root linearize the output of a differential Select the desired input type Shaded selections indicate temperature input pressure transmitter to indicate and control flow The defining equation is F types 278 VAP where AP 0 500 PSI transmitted linearly by a 4 20 mA transducer At full flow rate AP 500 PSI the flow is 6216 ft h The TEMPERATURE SCALE following scaling information is used with the controller PL 0 HE 400 mA Rook YES di SP2 62 b ft3 hr ASPI D flhr INPE 2000 mA oF ar Select the temperature scale If changed those parameters that relate to the t
60. TIME output PROPORTIONAL OUTPUT POWER 36 l DERIVATIVE OUTPUT TIME NOTE TOTAL OUTPUT POWER IS CALCULATED BASED ON THE THREE PID SETTINGS DERIVATIVE TIME I aM PRIMARY ALTERNATE PID VALUES The PAX2C allows two different groups of PID parameters in memory These are designated as the Primary Pr and Alternate A it PID values It is possible to toggle between these values using the PID parameter selection which is available in the PID Parameter Programming Loop This functionality P5EL is also available via the user inputs function keys or Line 2 user function The Active ALE PID parameters reflect the PID values that are selected via the P5EL parameter If a change is made to an active PID value such as a user change or after an Auto tune the values will automatically be copied into the Primary or Alternate group depending on which group is currently selected by the P5EL parameter REMOTE SETPOINT CONTROL OVERVIEW A typical remote setpoint application will require a PX2FCAO process input FlexCard to be installed A Process Input FlexCard is used in remote setpoint applications by selecting the FlexCard process value as the Remote Setpoint Assignment in PID SP Parameter Programming Loop A PX2FCAO can also be used to monitor a secondary process signal Configuration of the PX2FCAO as a Remote Setpoint signal allows ratio control master setpoint multiple slave operation and the ability to cascade the PAX2C wi
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62. Universal Annunciator mnemonic to be displayed If the selected parameter is active the mnemonic is displayed If the selected parameter is not active the mnemonic will be disabled off MONE Backlight color change disabled 5 P 51 Setpoint 2 Select Duk Output 1 Duke Output 2 Duk J Output 3 Duk H Output 4 AL r Alarm PIAR Manual Control Mode SPP Setpoint Ramping in process RSPE Remote Setpoint Active LIE Integral Lock enabled EunE Auto Tune in process Endn Auto Tune Done EnFL Auto Tune Fail The following two programming steps become available when the Backlight Assignment is configured as Alr Alarm These steps also follow each of the six different Advanced Operating Mode backlight color assignment parameters when assigned to Alr ALARM LOGIC ASSIGNMENT SEL And r The PAX2C supports three different modes when an output is assigned as Alr Alarm ERE Any single alarm Selecting YES any selection will change other alarm selections to Jl And Allows multiple alarms to be mapped to an output using AND Boolean logic For example If A and A 2 are active the output will energize Dr Allows multiple alarms to be mapped to an output using OR Boolean logic For example If A or A 2 are active the output will energize ALARM MASK ASSIGNMENT ng YES Selects the alarms to be logically combined per the Alarm Logic Assignment Alarms configured as YE5 will be used
63. age return lt CR gt and lt LF gt When block print is finished an extra lt SP gt lt CR gt lt LF gt is used to provide separation between the blocks Abbreviated Transmission Numeric data only Byte Description 1 12 12 byte data field 10 bytes for number one byte for sign one byte for decimal point 13 lt CR gt carriage return 14 lt LF gt line feed 15 lt SP gt Space 16 lt CR gt carriage return 17 lt LF gt line feed These characters only appear in the last line of a block print Controller Response Examples 1 Node address 17 full field response Input 875 17 INP 875 lt CR gt lt LF gt 2 Node address 0 full field response Alarm 2 250 5 SP2 250 5 lt CR gt lt LF gt 3 Node address 0 abbreviated response Alarm 2 250 last line of block print 250 lt CR gt lt LF gt lt SP gt lt CR gt lt LF gt Auto Manual Mode Register MMR ID O This register sets the controlling mode for the outputs In Auto Mode 0 the controller controls the digital outputs and analog output In Manual Mode 1 the outputs are defined by the registers DOR and AOR When transferring from auto mode to manual mode the controller holds the last output value until the register is changed by a write Each output may be independently changed to auto or manual O abcde Le Analog Output d DO4 c DO3 b DO2 a DOI Example VO11 places DO1 DO3 in Auto Mode DO4 and Analog Output in manual mode
64. aling In this case separate HOWE PU Hi ig uP 5P dEu menus appear to select the number of Sci poni du to enter the oi Parameter values for each point When a non linear Analog Output signal is desired up to 16 scaling points may be used to provide a piece wise linear approximation The greater the number of scaling points used the greater the derived PAX2C input Pel or FlexCard input FEx when installed conformity accuracy The Analog Output signal will be linear between x FlexCard address Sits sequential scaling points Each scaling point has a coordinate pair consisting of NONE Output not assigned an Output Value Gut n for an associated Display Value d 5P n Data from Pi Process Value tables or equations or empirical data could be used to derive the required number of segments and data values for the coordinate pairs Enter the analog output type Verify that correct output type terminals are wired Only one range can be used at a time ANALOG OUTPUT ASSIGNMENT Assign the parameter for the analog output to retransmit Line 2 mnemonic indicates the source from which the parameter value is HI Maximum Display Value LI Minimum Display Value OF Output Power SP Active Setpoint Value Local or Remote dE Deviation from the Setpoint value This parameter selection is affected by FlexCard installation See Section 7 0 Programming the FlexCard 20 Linear Analog Output
65. amming mode or access the parameter and hidden display loops Press and hold to skip parameters and go directly to Code or Programming Menu A User programmable Function key 1 hold for 3 seconds for user programmable second function 1 User programmable Function key 2 hold for 3 seconds for user programmable second function 2 Factory setting for F1 F2 and second function F1 F2 is no mode PROGRAMMING MODE OPERATION Return to the previous menu level momentary press Quick exit to Display Mode press and hold Access the programming parameter menu store selected parameter and index to next parameter Increment selected parameter value Hold F and momentarily press V2 key to increment next decade or D key to increment by 1000 s A DISPLAY LINE 2 Color Zone 2 Line 2 consists of a 4 digit bottom line display eight segment bar graph and a three digit units mnemonic Values such as Setpoints Output Power Deviation PID Parameters Tuning Status List A B Status and Alarm Values may be shown on the Line 2 display The eight segment bar graph may be mapped to values such as Output Power Deviation or Setpoints The three digit units mnemonic characters can be used to indicate engineering units for the Line 2 display value Line 2 is a tri colored display and may be configured to change color based on specified alarm logic configurations Line 2 is also used to view the display loops described in the next section See Line 2
66. and 30 C Set T V jumper in the T position Connect a thermocouple with an accuracy of 1 C or better to the controller 5 In the Analog Input Parameters verify Input Type tYPE is set to the type of thermocouple connected in step 4 Temperature Scale SEAL is C Ice Point Compensation E is turned ON Decimal Resolution d Pt is 0 0 Rounding Increment rnd is 0 1 and Display Offset F5E is set to 0 Bw 52 an Place the thermocouple in close thermal contact to a reference thermometer probe Use a reference thermometer with an accuracy of 0 25 C or better The two probes should be shielded from air movement and allowed sufficient time to equalize in temperature A calibration bath could be used in place of the thermometer 7 If a difference exits between PAX2C display and reference thermometer continue calibration 8 Note the PAX2C display reading as the Display Mode reading to be used in Step 12 9 Enter the Factory Service Operations select ad 48 and press P 10 Select E and press P 11 Display will indicate the Existing ICE Point Value 12 Calculate a new ICE Point Value using Existing ICE Point Value reference temperature Display Mode reading All values are in C 13 Using Ft and V2 change Existing ICE Point Value to indicate the new ICE Point Value calculated in Step 12 14 Press P and return to Display Mode Verify the Display Mode reading with 0 Display
67. and Heat High Limit may be used to limit LILI controller power due to process disturbances or setpoint changes rol Enter the safe output power limits for the process HELa OUTPUT COOL GAIN to 5000 The Output Cool Gain defines the gain of the cooling output relative to the gain established by the Proportional Band A value of 100 causes the cool gain to mimic the gain determined by the proportional band A value less than 100 can be used in applications in which the cooling device is oversized while a value greater than 100 can be used when the cooling device is undersized For the majority of applications the default value of 100 is adequate and adjustments should only be made if the process requires it COOL POWER LOW AND HIGH LIMITS to 20A The Cool Low Limit and Cool High Limit may be used to limit controller power due to process disturbances or setpoint changes 6 4 5 PID PARAMETERS ON OFF PARAMETERS HUF ON OFF HYSTERESIS HY SE D to 50D process units n The On Off Hysteresis is used to eliminate output chatter by fie ting the on and off points of the output s when performing on separating p e outp p g off control The hysteresis value is centered around the setpoint This results in the transition of the output occurring above and below the setpoint by half of the On Off Hysteresis value This value affects outputs programmed as Heat or Cool During auto tune the controller cycles the pr
68. ar process See the Auto Tune Explanations Section for more information OPERATION OVERVIEW CONTROLLER POWER UP Upon applying power the controller delays control action and temperature indication for several seconds to perform several self diagnostic tests and display basic controller information Initially the controller illuminates both displays and all annunciators to allow verifification that all display elements are functioning The controller then displays the unit model type on the top display as well as the current firmware revision number on the bottom display The controller then checks for correct internal operation and displays an error message Exx if an internal fault is detected see Troubleshooting for further information Upon completion of this sequence the controller begins control action by displaying the temperature process value and updating the output s based on the PID control calculation START UP The controller s PID settings must be tuned to the process for optimum control Minimal tuning consists of adjusting the Proportional Band Integral Time and Derivative Time parameters to achieve the optimum response to a process disturbance The controller should only need to be tuned once but must be re tuned if the process has been significantly changed Several options exist for tuning these parameters A Use the controller s built in Auto Tune feature see Auto Tune B Use a manual tuning techniqu
69. ary controller can direct the setpoint of the Secondary controller over its entire operating range The setpoints can be viewed during operation by configuring the SP display LOC for the secondary loop setpoint to be displayed For proper Auto tuning of the Primary loop it is necessary that the secondary loop input scaling dISP 1 and dISP 2 to be respectively programmed as the actual process low and process high values of the Secondary process Example The temperature of a large vat of dye is to be controlled by adjusting the steam pressure to the vat The steam pressure range can vary from 0 to 200 psi and is sensed by a sensor with a 4 to 20mA output The steam pressure is adjusted by opening closing a pressure control valve that requires a 0 to 10 VDC analog input The vat temperature is to be maintained at 285 C and is sensed using a Type T thermocouple A PAX2C PAXCDL10 and a PX2FCAO FlexCard are used in a Cascade arrangement to regulate the temperature of a large vat of dye The PX2FCAO is used as the secondary process controller to monitor and control steam pressure The input to the PX2FCAO is wired to a pressure sensor that senses the steam pressure The PAXCDLIO is used to provide a 0 10 VDC signal which is programmed to correspond to the OP of the PX2FCAO The PAXCDL10 output is wired to a pressure control valve which directly adjusts the steam pressure A 0 volt output fully closes the valve and a 10 volt output f
70. ay is divided into seven independently programmable color zones Line 1 Line 2 Universal Annunciators 1 4 amp Status Mnemonics Line 1 and 2 4 digits each line Display Range 1999 to 9999 Units Programmable 3 digit units annunciator Bar Graph Programmable 8 segment bar graph Universal Annunciator 1 thru 4 Programmable 2 digit annunciator Status Mnemonics MAN Controller is in Manual Control Mode REM Controller is in Remote Setpoint Mode Vertical Model Digit Size Line 1 0 51 13 mm Line 2 0 44 11 2 mm Horizontal Model Digit Size Line 1 0 62 15 7 mm Line 2 0 47 12 0 mm POWER AC Power 40 to 250 VAC 50 60 Hz 20 VA DC Power 21 6 to 250 VDC 8 W Isolation 2300 Vrms for 1 min to all inputs and outputs KEYPAD 2 programmable function keys 4 keys total A D CONVERTER 24 bit resolution DISPLAY MESSAGES OLOL Appears when measurement exceeds signal range ULUL Appears when measurement exceeds signal range Shrt Appears when shorted sensor is detected RTD range only OPEN Appears when open sensor is detected TC RTD range only 5 Appears when display values exceed display range Appears when display values exceed display range INPUT CAPABILITIES ec Current Input eo EIER Ee icu c A Te TERR Voltage Input Er BET Er e ege nma em nna e rnm Temperature Inputs Scale F or C Offset Range 1
71. caling point used End Custom Scaling selections 21 ANALOG UPDATE TIME DO to 4 0 seconds Enter the analog output update rate in seconds A value of 0 0 SC allows the controller to update the analog output at the Input Update Rate The following programming step is only available when Input Type in the Analog Input Parameter Programming Loop is set for a temperature input TC RTD PROBE BURN OUT ACTION Lo Hi Enter the probe burn out action In the event of a temperature probe failure the analog output can be programmed for low or high scale 6 2 2 DIGITAL OUTPUT PARAMETERS 145 This section is only accessible when an option card with digital output hardware is installed in the PAX2C see Ordering Information x 7 Digital Output Number 1 4 Digital Output Digital Output Selection Assignment DIGITAL OUTPUT SELECTION Duti Gute Dub3 Gut Selects the digital output to be programmed In the following parameters the x in futx reflects the selected output number After the output is completely programmed the display returns to the Output Select menu Repeat steps for each output to be programmed The number of outputs available is dependent on the specific digital output card installed PAXCDS DIGITAL OUTPUT ASSIGNMENT n nE HERE COL Ale PAR SPrP RSPE ILDE LtunE Enda This selection is used to assign the digital output to various internal values or conditions It is possible to
72. cimal Resolution setting in the FLA Input Parameter Programming Loop When an alarm is configured for Hfur Alarm Action the 3 character mnemonic for the corresponding Alarm High Value when viewed in any of the display loops will be H x Alarm 1 9 or Hxx Alarm 10 16 To view the Alarm High Value in one of the display loops enable viewing of Fil x Flxx in the appropriate display LUCS Parameter Programming Loop Reference Display Parameter Line 2 Parameter Value Access Lt ALARM LOW VALUE 1999 9 99993 Enter desired alarm low value Alarm value can also be entered in the Display Parameter and Hidden Display Loops when bd x access is allowed The decimal point position is determined by the Decimal Resolution setting in the FLA Input Parameter Programming Loop When an alarm is configured for Hfur Alarm Action the 3 character mnemonic for the corresponding Alarm Low Value when viewed in any of the display loops will be L x Alarm 1 9 or Lxx Alarm 10 16 To view the Alarm Low Value in one of the display loops enable viewing of bd x bdxx in the appropriate display LUL5 Parameter Programming Loop Reference Display Parameter Line 2 Parameter Value Access HEATER CURRENT MONITOR ALARM ACTION The Heater Current Monitor Alarm Action Hfur is useful for monitoring the condition of external AC control circuitry via a Heater Current Monitor FlexCard The alarm is assigned to the Process Value current measured on t
73. circuit breaker for AC input and a 1 Amp 250 V UL approved fuse for DC input It shall be easily accessible and marked as a disconnecting device to the installed controller This device is not directly intended for connection to the mains without a reliable means to reduce transient over voltages to 1500 V AC DC N AC DC AC DC N AC DC 4 2 VOLTAGE RESISTANCE CURRENT INPUT SIGNAL WIRING IMPORTANT Before connecting signal wires the Input Range Jumpers and Excitation Jumper should be verified for proper position Voltage Signal Process Current Process Current Signal Current Signal 3 wire i Signal 2 wire requiring 18V requiring 18 V excitation external powered excitation Terminal 3 Volt supply z z f Excitation Jumper 18 V Terminal 6 ADC signal mE i i Terminal 8 ADC common QO cx LE Excitation Jumper 18 V O 2 a Q m o 1 8 I O gt I x a O O o 9 i S TE x a i 2 g E g a X x En l i Bae te eee E I l l 4 Z gt l Voltage Signal 3 wire 3 6 7 8 i 6 8 requiring 18 V excitation 7 8 f i Terminal 3 Volt supply i 7 aa WEE Terminal 7 VDC signal Iout Vout re x f TRANSMITTER f Terminal 8 VDC common ZWIEE TRANSMITTER so Excitation Jumper 18 V 200VDC MAX gt A DC MAX 1 1 1 I l l Resistance Signal
74. control loop Disturbances occurring to the secondary process are quickly compensated for by the secondary loop controller before the effect appears in the primary process This early loop compensation or feed forward action of Cascade control can improve control quality compared with standard single loop control Since the primary and secondary monitor different process inputs they normally have different tuning PID values With the addition of a FlexCard which provides a second analog input and an additional PID controller the PAX2C is capable of performing Cascade control The flexibility of the PAX2C FlexCard platform provides for the ability to assign the primary secondary loop functions to either the main PAX2C Input PID or to the FlexCard Input PID depending on the application and available FlexCard Input type In Cascade control the Primary loop provides the setpoint for the Secondary loop This is accomplished by assigning the Remote Setpoint RSP for the secondary loop controller to the primary loop controller output power OP The Primary loop output power 0 100 0 is scaled by the Rtio and bIAS Remote Setpoint scaling parameters of the secondary PID controller to yield the Secondary directed setpoint The Remote Setpoint is used by the secondary loop to calculate the secondary loop output OP Normally the Remote Setpoint is scaled to equal the process range of the secondary When scaled this way the Prim
75. e see Manual Tuning C Use a third party tuning software package generally expensive and not always precise D Use values based on control loop experience calculated values or values from a similar process If the controller is a direct replacement the PID settings from the controller being replaced may be used as good initial values If not a direct replacement be sure to consider any differences in the controllers and the PID settings when replacing The PAX2C proportional band is entered in process units Other RLC products may use a percentage of the input range The PID settings may be fine tuned by using the techniques outlined in the PID Control section After tuning the controller to the process it is important to power the load and the controller at the same time for best start up response CONTROLLER POWER DOWN At power down all parameters and programming is saved to provide a quick and predictable process response on the next power up Powering down the controller at the same time the process is powered down will prevent integral wind up CONTROL MopE EXPLANATIONS ON OFF CONTROL The controller operates in On Off Control when the Proportional Band is set to 0 0 In On Off control the process will constantly oscillate around the setpoint value The On Off Control Hysteresis balanced around the setpoint can be used to eliminate output chatter The Output Assignment can be set for heating reverse output on w
76. e PAX2 internal Modbus protocol supports complete controller configuration and is much more responsive USB The USB programming port is primarily intended to be used to configure the PAX2 with the Crimson programming software It can also be used as a virtual serial communications port following installation of the PAX2 USB drivers that are supplied with the Crimson software When the USB port is being used i e the USB cable is connected between PAX2 and PC all serial communications with the serial option card if used is disabled USB Cable type required USB A to Mini B not supplied PAX2 CONFIGURATION USING CRIMSON AND USB Install Crimson software 2 Supply power to PAX2 3 Ensure USB Setup in USB Port Parameters is set to AFE factory default setting 4 Attach USB cable USB A to Mini B between PC and PAX2 Create a new file File New or open an existing PAX2 database within Crimson Configure Crimson Link options Link Options to the PC port which the USB cable is attached in Step 4 Un nN SUPPORTED FUNCTION CODES FC03 Read Holding Registers 1 Up to 64 registers can be requested at one time 2 HEX lt 8000 gt is returned for non used registers FC04 Read Input Registers 1 Up to 64 registers can be requested at one time 2 Block starting point can not exceed register boundaries 3 HEX lt 8000 gt is returned in registers beyond the boundaries 4 Input registers are a mirror o
77. e Parameter Programming Loop is entered This loop is a sequence of parameters that can be changed programmed The P key is pressed to enter the program selection and advance to the next parameter After advancing through all the parameters in the Parameter Programming Loop the display returns to the Parameter Programming Selection Loop If a parameter selection has been changed the P key must be pressed in order to save the change Pressing the D key before pressing the P key will cause the unit to abort a selected change SELECTION VALUE ENTRY For each parameter the top line display shows the parameter while the bottom line shows the selections value for that parameter The EA and V7 keys are used to move through the selections values for the parameter Pressing the P key stores and activates the displayed selection value This also advances the controller to the next parameter Numerical Value Entry The Fi and VZ keys will increment or decrement the parameter value When the F or FY key is pressed and held the value automatically scrolls The longer the key is held the faster the value scrolls For large value changes press and hold the F or VZ key While holding that key momentarily press the opposite arrow key or N to shift decades 10 s 100 s etc or momentarily press the D key and the value scrolls by 1000 s as the arrow key is held Releasing the arrow key removes the decade or 1000 s scroll feature The a
78. e eee eee ER ad a Rx RARE RSEN Ead cR e Ee ee 10 3 0 Installing Option Cards isdem ERRARE P bU RA GOD ES RP ES ROS coheed 11 4 0 Wiring the Gonlroller a xau sew EE eee ERERSGG ee ee AX DR Kr RES Seed E Rr 11 5 0 Reviewing the Front Buttons and Display 0000 cece eee 13 6 0 Programming Ihe PAX2C ccd onde het ee sees cede stet ehe EEERHGEqu Ed e Ed 14 6 1 Input Programming PE i 14 3a o couse Gennes dagen thas me oe ERE d hp 16 6 2 Output Programming k uci ERR REA CR e RO CREE UICE UR e mace dde 8 20 6 3 Display Programming d SP iussus ERATUM deus xxn X XXE RC R desc 23 6 4 PID Programming Pd 3d us REX RE XR E p 4 EGRE XU EC RR 24 REOR R UR 31 Operation OVOlVIBW 2x 1 0 2 9 9 cure he OE eu ede NE deep b iib aes daw NI Rc el aoe Sc Re 36 Control Mode Explanations x 43 29 09 ARDOR RCR Roe od 60 404524 Soe eee Pete dCi 36 Pid Control QUBEVIBW 024 dace Voca pio iE KE ee eee dered n EO ORC Meee oe eos oe 37 Remote Setpoint Control Overview 0 222 38 Auto lune EXplanalloris 25 23 4 23 cp act grece adr ode 3 R49 Up ROC ACA Hed eh dodo RC RC 40 6 5 Alarm Programming Alr so hence eke ene RR ees ls denn o X BR e aed oae gi 42 6 6 Port Programming Far 2L once esed Re hee Robe dae Ex eR EP Rae E 44 Serial Communications Overview eeeeseeecele unn 46 PAX2C FREQUENTLY USED MODBUS REGISTERS 00002200 eee 47 6 7 Factory Service Operations FALE 00 2c 51 7 0
79. e on or off Alarm Figures With reverse logic rfu the below alarm states are opposite AL Hys SP AL AL SP AL Dev AL Hys ALARM STATE OFF ALARM ON ALARM ON 4 A 4 STATE A A lreeeee POINTS TRIGGER POINTS Absolute High Acting Balanced Hys AbH Absolute Low Acting Unbalanced Hys AULG Deviation High Acting Dev lt 0 dEH STATE TRIGGER POINTS SP AL Bnd a AL D AL YeHys i X f SP AL t AL AL 4 Hys SP AL Bnd ALARM ON ALARM OFF on OFF on ALARM ON STATE STATE SIAE TRIGGER POINTS 4 TRIGGER POINTS TRIGGER POINTS Absolute Low Acting Balanced Hys Abi 0 Deviation High Acting Dev gt 0 dEH Band Outside Acting bAfd SP AL Bnd AL M SP AL Bnd AL Mys SP AL Dev ALARM ON ALARM ON ALARM ON OFF ON OFF ON STATE i STATE n n STATE i i i n TRIGGER POINTS TRIGGER POINTS TRIGGER POINTS Absolute High Acting Unbalanced Hys RUH Deviation Low Acting Dev gt 0 dEL 0 Band Inside Acting hd n n this mode when an alarm is assigned to a PID controlled process value PV the actual SP value is added to the alarm value to have an alarm that tracks the setpoint The Alarm Value fl x should be
80. ed Operating Mode These parameters allow Line x backlights to change color or alternate between two colors when the mapped parameter is active When multiple backlight assignments are programmed for a single zone the color priority is defined as follows from Lowest to Highest brn Or 9 REd bn r Pdr Fdbn BACKLIGHT SELECTION DESCRIPTIONS MONE Backlight color change disabled 5 P 5 Setpoint 2 Select Gut Output 1 Duk Output 2 Gut J Output 3 Gut 4 Output 4 Alr Alarm PHAN Manual Control Mode 5 Pr P Setpoint Ramping in process R 5PE Remote Setpoint Active LIE Integral Lock enabled EunE Auto Tune in process Endn Auto Tune Done EnFL Auto Tune Fail 25 The following two programming steps become available when the Backlight Assignment is configured as ALr Alarm These steps also follow each of the six different Advanced Operating Mode backlight color assignment parameters when assigned to flr ALARM LOGIC ASSIGNMENT 5f bL Or The PAX2C supports three different modes when an output is assigned as Air Alarm And Any single alarm Selecting 4E5 to any selection will SMEL m change other alarm selections to Sid And Allows multiple alarms to be mapped to an output using AND Boolean logic For example If A and A 2 are active the output will energize Dr Allows multiple alarms to be mapped to an output using OR Boolean logic For example IfA or A 2 a
81. ed and ready Allow a 30 minute warm up period before calibrating the controller Selecting at any calibration step will cause the controller to maintain the existing calibration parameters for that step Selecting YES and pressing P key will cause the controller to store new calibration settings for the range selected Pressing D at any time will exit programming mode but any range that has been calibrated will maintain the new settings RTD Calibration Procedure 1 After entering fodE 48 select rtd 2 Press the P key until the desired range along with is displayed in the Line 2 units mnemonic 3 Apply zero ohms to the input of the controller 4 Press Fi to select YES 5 Press P Display will indicate on Line 2 as the controller reads and stores the new calibration parameter Display will indicate the desired range along with a value in the upper right corner in ohms to be applied in the next step in the Line 2 units mnemonic of the controller 7 Apply the signal level in ohms as indicated by the Line 2 units mnemonic on the controller 8 Press F to select YES 9 Press P Display will indicate on Line 2 as the controller reads and stores the new calibration parameter 10 Repeat Preparation and Calibration Procedure for each Input Range to be calibrated nN Ice Point Calibration Procedure 1 Remove all option cards 2 Verify ambient temperature of controller environment is between 20 C
82. emperature scale should be checked As a result of the scaling and square root linearization the following represents the readings at various inputs PSI mA ft Ihr ICE POINT COMPENSATION For TC Input Range Selection only P nn DFF 600 This parameter turns the internal ice point compensation on or off Normally the ice point compensation is on If using external compensation set this parameter to off In this case use copper leads from the external compensation point to the controller x Temperature type only Process type only 16 INPUT UPDATE RATE SEC 5 i 2g WB Select the input update rate conversions per second The 5P5 selection does not affect the display update rate however it does affect alarm and analog output response time The default factory setting of 20 is recommended for most applications Selecting a fast update rate may cause the display to appear very unstable DECIMAL RESOLUTION Display Units D to 8 to du temperature process Select desired display resolution The available selections are dependent on the Input Type selected EUPE ROUNDING INCREMENT Fnd bog ck oH 20 59 100 Rounding selections other than one cause the Input Display to round to the nearest rounding increment selected ie rounding of 5 causes 122 to round to 120 and 123 to round to 125 Rounding starts at the least significant digit of the Input Display Remai
83. ents of 1 second F ca PRIMARY ALTERNATE DERIVATIVE TIME B to 9933 seconds n The Derivative Time is the seconds per repeat that the controller ii looks ahead at the ramping error to see what the proportional contribution will be and then matches that value every Derivative Time As long as the ramping error exists the derivative contribution is repeated every derivative time Increasing the value helps to stabilize the response Too high of a value coupled with noisy signal processes may cause the output to fluctuate too greatly yielding poor control Setting the time to zero disables derivative action The optimal Derivative Time may be established by invoking auto tune dErE PRIMARY ALTERNATE POWER FILTER FLEr I to BOD seconds in The Power Filter is a time constant entered in seconds that ILI dampens the calculated output power Increasing the value increases the dampening effect Generally a Power Filter in the range of one twentieth to one fiftieth of the controller s integral time or process time constant is effective Values longer than these may cause controller instability due to the added lag effect The optimal power filter may be established by invoking auto tune PRIMARY ALTERNATE OUTPUT OFFSET 000 to 800 nn This value shifts the zero output point of the controller s output LLLI power calculation This feature is most commonly used in proportional only applications to remove s
84. f Holding registers FCO6 Preset Single Register 1 HEX lt 8001 gt is echoed back when attempting to write to a read only register 2 If the write value exceeds the register limit see Register Table then that register value changes to its high or low limit It is also returned in the response FC16 Preset Multiple Registers 1 No response is given with an attempt to write to more than 64 registers at a time 2 Block starting point cannot exceed the read and write boundaries 40001 41711 3 If a multiple write includes read only registers then only the write registers will change 4 If the write value exceeds the register limit see Register Table then that register value changes to its high or low limit 46 FC08 Diagnostics The following is sent upon FC08 request Module Address 08 FC code 04 byte count Total Comms 2 byte count Total Good Comms 2 byte count checksum of the string Total Comms is the total number of messages received that were addressed to the PAX2 Total Good Comms is the total messages received by the PAX2 with good address parity and checksum Both counters are reset to 0 upon response to FC08 and at power up FC17 Report Slave ID The following is sent upon FC17 request RLC PX2C ab lt 0100h gt lt 40h gt lt 40h gt lt 10h gt a SP Card 0 No SP 2 or 4 SP b Linear Card 0 None 1 Yes lt 0100 gt Software Version Number 1 00
85. he input of the Heater Current Monitor card The HEATER CURRENT MONITOR parameter in the HCM card Input programming provides for selection of the meter controller output to be monitored i e the output which actuates the heater control circuit The state of this output along with the measured PX2FCAI card Process Value determines when the Heater Current Monitor alarm activates The Alarm High Value ALH or H x is the value that represents the required circuit on current value If the Heater Current Monitor card input measures a current less than the Alarm High Value during the ON state of the monitored output the alarm becomes active The Alarm Low Value ALLO or L x is the value that represents the allowable circuit off current If the Heater Current Monitor card input measures a current greater than the Alarm Low Value during the OFF state of the monitored output the alarm becomes active In both cases the monitored output must be in the respective ON or OFF state for a minimum of 1 second before the Hur alarm will activate This delay prevents false alarm triggering due to brief power glitches in the heater circuit during switching Additional on off delay can be added by increasing the EDf L FF parameters ALHI H x Hys ALLO L x y Hys ON ON ALARM STATE HEATER ON ALARM STATE ON OFF HEATER OFF 1 i A i TRIGGER POINTS ON Heater Current Monitor Action HL ur
86. hen below the setpoint or for cooling direct output on when above the setpoint applications ON OFF CONTROL FIGURES INPUT SP 1 2 HYSt SP SP 1 2 HYSE OFF ON Digital Output REVERSE ACTING INPUT 4 SP 1 2 HYSE SP SP 1 2 HYSt OFF Digital Output DIRECT ACTING Note HYSt in the On Off Control Figures is a user defined value in the PID Configuration Parameters For heat and cool systems one Digital Output is assigned as HEAk reverse and another Digital Output is assigned as DJL direct The Proportional Band Output Heat Gain and Output Cool Gain are set to 0 0 The Output Deadband in Cooling sets the amount of operational deadband or overlap between the outputs The setpoint and the On Off Control Hysteresis applies to both Heat and Cool outputs The hysteresis is balanced in relationship to the setpoint and deadband value 36 ON OFF CONTROL HEAT COOL OUTPUT FIGURES Z INPUT I SP 1 2 HYSE SP SP 1 2 HYSE Heat Digital Output OFF ON Cool Digital Output ON OFF ON HEAT COOL DEADBAND VALUE dEAd 0 INPUT I SP 1 2 dERd 1 2 HYSE SP 1 2 dERd SP 1 2 dERd 1 2 HYSE SP SP 1 2 dERd 1 2 HYSE SP 1 2 dERd SP 1 2 dERd 1 2 Hus OFF Heat Digital Output OFF ON Cool Digital Output HE
87. icate on Line 2 as the controller reads and stores the new calibration parameter Display will indicate FUL in the Line 2 units mnemonic Apply the signal level indicated on Line 1 of the controller Press FA to select YES Press P Display will indicate on Line 2 as the controller reads and stores the new calibration parameter Pw OOo QN tA PX2FCA1 FREQUENTLY USED MODBUS REGISTERS Only frequently used registers are shown below The entire Modbus Register Table can be found at www redlion net and on the flash drive shipped with the PAX2C Negative values are represented by two s complement Note The PAX2C should not be powered down while parameters are being changed Doing so may corrupt the non volatile memory resulting in checksum errors REGISTER FACTORY ADDRESS REGISTER NAME LOW LIMIT HIGH LIMIT SETTING ACCESS COMMENTS __ FREQUENTLYUSEDREGISTeRS 4n001 Input Process Value Hi word 1 1 Display Unit 1999 N A Read Only ADC Overrange Value 1048576 4n002 Input Process Value Lo word Underrange Value 1048576 4n003 Input Process Maximum Hi word f a 1999 N A Read Only 1 1 Display Unit 4n004 Input Process Maximum Lo word 4n005 Input Process Minimum Hi word p 1999 N A Read Only 1 1 Display Unit 4n006 Input Process Minimum Lo word 4n007 Input Process Status Flags 4n008 Output Status Register Eo Read Only Bit 3 Set ADC Underrange
88. ing LodE 48 select the input signal type urr WoLk rE5 to be calibrated 2 Press the P key until the desired range along with cEP is displayed in the Line 2 units mnemonic 3 Apply the zero input limit of the range indicated on Line 1 of the controller Press Fi to select YES 5 Press P Display will indicate on Line 2 as the controller reads and stores the new calibration parameter Display will indicate the desired range along with Fil in the Line 2 units mnemonic 7 Apply the signal level indicated on Line 1 of the controller 8 Press F to select MES 9 Press P Display will indicate on Line 2 as the controller reads and stores the new calibration parameter 10 Repeat Preparation and Calibration Procedure for each Input Range to be calibrated AR an This parameter selection is affected by FlexCard installation See Section 7 0 Programming the FlexCard Preparation for TC calibration TC calibration parameters will affect RTD calibration If using an RTD it is recommended that the RTD calibration be performed after completing the TC calibration AN Before starting verify the T V jumper is in the T position Verify the precision signal source is connected and ready Allow a 30 minute warm up period before calibrating the controller Selecting MG at any calibration step will cause the controller to maintain the existing calibration parameters for that step Selecting 4ES and pressing P key will ca
89. input is held active continuous transmissions occur ES These selections are only available for user inputs 6 2 OUTPUT PROGRAMMING Lt OUTPUT CARD SELECT Pra Cdl Ld5 n u Select the output card to be programmed Ex d5 PAXCDS For a selection to be available the output option card must be a a installed If there are no option cards with output capability installed No Card will be displayed when attempting to enter the Output Parameter Programming Selection Loop 6 2 1 ANALOG OurPur PARAMETERS Ld This section is only accessible when an option card with analog output hardware is installed in the PAX2C see Ordering Information Available when Available when usm USE YES Temp Only NONE Analog Analog Analog Analog Analog Scaling Output Parameter Analog Probe Output Type Output Output Custom Low Scale High Scale Points Value for Value for Update Burn out Assignment Scaling Value Value Scaling Scaling Time Action Point n Point n ANALOG OUTPUT TYPE ANALOG OUTPUT CUSTOM Non Linear SCALING 4 20 D i 8 B 2 ng YES Select Pl to enable two point Linear Analog Output scaling Typically the Analog Output signal changes in a Linear fashion with respect to changes in the assigned parameter value In this case two Analog Scale parameter values are programmed to correspond to the Low and High limits of the Analog Output signal range Select YES to enable Non Linear Analog Output sc
90. ion selections for each tab that appears across the top When completed click Close Repeat the configuration selection process for the Display Alarm Parameters area followed by applicable option card programming areas When all programming selections have been made save the configuration file Download the configuration file to the PAX2C by clicking the Link tab and selecting Update programming parameters using the controller s keypad Note that due to the extensive programming features of the PAX2C complete programming of the controller using the controller s keypad is not recommended When a FlexCard is installed additional parameters may be available Unique FlexCard parameters are defined in 7 0 Programming the FlexCard Parameters identified as Ffx that are not defined in the FlexCard programming portion of the manual function as defined in 6 0 Programming the PAX2C To find information regarding a specific topic or mnemonic it is recommended that the manual be viewed on a computer and the find function be used The alternate method of finding information is to identify the programming parameter involved Input Output Display PID Alarm or Communication and review the information contained in the section of the manual that pertains to that parameter SOFTWARE Programming Port AU 6 GENERAL CONTROLLER SPECIFICATIONS DISPLAY Negative image LCD with tri color backlight The displ
91. ional 5 150 Hz 2 g Shock to IEC 68 2 27 Operational 25 g 10 g relay Operating and Storage Humidity 0 to 85 max RH non condensing Altitude Up to 2000 meters DIMENSIONS In inches mm 2 54 Note To determine dimensions for horizontal controllers swap height and width Recommended minimum clearance behind the panel for mounting clip installation is 2 1 53 4 W x 5 5 140 H 0 10 12 CERTIFICATIONS AND COMPLIANCES CE Approved EN 61326 1 Immunity to Industrial Locations Emission CISPR 11 Class A IEC EN 61010 1 RoHS Compliant UL Listed File E179259 Type 4X Indoor Enclosure rating Face only IP65 Enclosure rating Face only IP20 Enclosure rating Rear of unit Refer to EMC Installation Guidelines section of the bulletin for additional information 3 CONNECTIONS High compression cage clamp terminal block Wire Strip Length 0 3 7 5 mm Wire Gauge Capacity 26 to 16 AWG 0 14 to 1 5 mnm Torque 4 4 5 3 inch Ibs 0 5 0 6 N m 4 CONSTRUCTION This controller is rated NEMA 4X IP65 for indoor use only IP20 Touch safe Installation Category II Pollution Degree 2 One piece bezel case Flame resistant Synthetic rubber keypad Panel gasket and mounting clip included 5 WEIGHT 8 oz 226 8 g 0 Onn NO ANA nf U A U ES 1 95 4 14 SE 105 16 CAUTION D
92. is Abii Absolute low with balanced hysteresis HYSTERESIS VALUE RUHI Absolute high with unbalanced hysteresis AULG Absolute low with unbalanced hysteresis nus to 9999 dEHI Deviation high with unbalanced hysteresis n Enter the desired hysteresis value See Alarm Figures for visual dELG Deviation low with unbalanced hysteresis fie indication or representation of how alarm actions balanced and BAN Outside band with unbalanced hysteresis F unbalanced are affected by the hysteresis value When the alarm is bdin Inside band with unbalanced hysteresis used as a control output usually balanced hysteresis is used Balanced hysteresis is equally divided above and below the alarm value For alarm applications usually unbalanced hysteresis is used For unbalanced hysteresis the hysteresis functions on the low side for high acting alarms and functions on the high side for low acting alarms Note Hysteresis This parameter selection is affected by FlexCard installation See Section 7 0 eliminates output chatter at the switch point while on off time delay can be used Programming the FlexCard to prevent false triggering during process transient events 42 ON TIME DELAY I to 9999 seconds Enter the time value in seconds that the alarm is delayed from turning on after the trigger point is reached A value of 0 0 allows the controller to update the alarm status per the response time listed in Specifications When the output logic i
93. ister ID character It prints according to the selections made in print options 4 If constructing a value change command writing data the numeric data is sent next 5 All command strings must be terminated with the string termination characters or The controller does not begin processing the command string until this character is received See Timing Diagram figure for differences between terminating characters Ww Register Identification Chart A V T V P V only in manual mode Proportional Band T V R P Reset command resets Alarm Outputs Integral Time Alarm Status 1 4 O P ET MP R D T R R Am vanes s Distal Cuput Reiter Command String Examples 1 Node address 17 Write 350 to Alarm 1 String N17VI350 2 Node address 5 Read Input value String NSTA 3 Node address 0 Reset Alarm 4 output String RL c IN S R PWI PB IN DE AL A 1 A 2 AL3 AL4 C T V P AO TL R Sending Numeric Data Numeric data sent to the controller must be limited to 4 digits 1999 to 9999 Leading zeros are ignored Negative numbers must have a minus sign The controller ignores any decimal point and conforms the number to the scaled resolution For example the controller s scaled decimal point position 0 0 and 25 is written to a register The value of the register is now 2 5 Note Since the controller does not issue a reply to value change commands follow wi
94. it cannot detect errors that may occur to an even number of bits Given this limitation the parity bit is often ignored by the receiving device The PAX2C controller ignores the parity bit of incoming data and sets the parity bit to odd even or none mark parity for outgoing data Stop bit The last character transmitted is the stop bit The stop bit provides a single bit period pause to allow the receiver to prepare to re synchronize to the start of a new transmission start bit of next byte The receiver then continuously looks for the occurrence of the start bit If 7 data bits and no parity is selected then 2 stop bits are sent from the PAX2C controller 6 7 FACTORY SERVICE OPERATIONS FALE Pro ng FACTORY SERVICE CODE toc5i Enter the Service Code for the desired operation RESTORE FACTORY DEFAULTS Use the Fi and FY keys to display IdE 66 and press P The controller will flash r 5EE and then return to L dE 50 This will overwrite all user settings with the factory settings MODEL AND CODE VERSION Use the Fi and FY keys to display IdE 5 and press P The controller will briefly display the model Pef on Line 1 and the current firmware version Ux xx on Line 2 and then return to LOdE 58 SERVICE FACTORY CALIBRATION Curr Yolk rE5 Ec ICE rid ANLE Use the Fi and V2 keys to display L dE 48 and press P The controller has been fully calibrated at the factory Scaling to convert the inp
95. l When the variation exceeds the input filter band value the digital filter disengages When the variation becomes less than the band value the filter engages again This allows for a stable readout but permits the display to settle rapidly after a large process change The value of the band is in display units independent of the Display Decimal Point position A band setting of 0 keeps the digital filter permanently engaged When the input display is below the current MIN value for the Min Delay time LU E the controller will capture the display value as the new min value Longer delay time helps to avoid false captures of short input fluctuations 53 7 1 2 PROCESS OUTPUT PARAMETERS fut FLAY Pre DIGITAL OUTPUT SELECTION But uke duty Buty Selects the digital output to be programmed Hardware Digital Output Selection Selection 7 1 3 Process DISPLAY PARAMETERS LUC5 FERE Pre To program the PAX2C to display parameters originating from the Process Input Remote Setpoint FlexCard a hardware selection following a LICS selection in the Parameter Programming Selection Loop is provided See FCA0 PARAMETER VALUE ACCESS Table for a list of PX2FCAO parameters that can be displayed on Line 2 of the PAX2C Pro n DISPLAY SELECT E3 Select the display parameters to be programmed Display Hardware Select Selection FCA0 PARAMETER VALUE ACCESS PARAMETER ACCESS SELECTIONS PARAMETER PARAMETER
96. l momentary action DISPLAY SELECT When activated Line 2 advances to the next enabled display momentary action Displays are enabled in Display LOLS Parameter Programming Loop SELECT PARAMETER LIST Two lists of input scaling points and alarm values including band and deviation are available The two lists are named L5EA and L5Eb If a user input is used to select the list then L5ER is selected when the user input is not active and LStb is selected when the user input is active maintained action If a front panel key is used to select the list then the list will toggle for each key press momentary action The display will indicate which list is active when the list is changed at power up and when entering Parameter or Hidden Loops if they contain alarm values To program the values for List A and List B first complete the programming of all the parameters Exit programming and switch to the other list Re enter programming and enter the desired values for the input scaling points alarms band and deviation if used PRINT REQUEST Communication Type RLC only When activated a print request is performed The serial type must be set to RLE for the serial port to process the request The data transmitted during a print request and the serial type is programmed in Section 6 6 2 If the user input remains active after the transmission is complete about 100 msec an additional transmission occurs As long as the user
97. lanations not all selections are available for both user inputs and front panel function keys Displays are shown with each selection Those selections showing both displays are available for both If a display is not shown it is not available for that selection USrx will represent both user inputs Fx will represent both function keys and second function keys NO FUNCTION FULL PROGRAMMING LOCK OUT When activated full programming is locked out maintained action A security code can be configured to allow programming access during lock out USER PROGRAM MENU SELECTION Fi Select the user program menu to be configured INTEGRAL ACTION LOCK When activated the Integral Action Lock of the PID computation is disabled USrx maintained action Fx toggle AUTO MANUAL MODE When activated the controller is placed in manual PID Control mode U5rx maintained action Fx toggle The output is bumpless when transferring to from either operating mode SETPOINT SELECTION When activated the controller uses Setpoint 2 SP2 as the active setpoint value USrx maintained action Fx toggle REMOTE SETPOINT TRANSFER When activated the controller uses Remote Setpoint RSP as the active setpoint value USrx maintained action Fx toggle This selection requires proper configuration of Remote Setpoint parameters in the PID SP Parameter Programming Loop PID PARAMETER SELECTION When activated the c
98. match that of other equipment in order for communication to take place The figures list the data formats employed by the controller Start bit and Data bits Data transmission always begins with the start bit The start bit signals the receiving device to prepare for reception of data One bit period later the least significant bit of the ASCII encoded character is transmitted followed by the remaining data bits The receiving device then reads each bit position as they are transmitted Since the sending and receiving devices operate at the same transmission speed baud rate the data is read without timing errors 50 Command Meter String Response Transmission pus Ready FL y Command First Reply Terminator Character men n Received of Reply Time Start wA Stop bit IDLE 0 ole b2 lb3lb4 bs s b7 1 IDLE 8 data no parity 1 stop IDLE 0 bo b bz bs lbs bs b6 P 1 IDLE 7 data parity 1 stop IDLE 0 bo b bz bs bs bs bs 1 1 IDLE 7 data no parity 2 stop Note bo bzis ASCII data Character Frame Figure Parity bit After the data bits the parity bit is sent The transmitter sets the parity bit to a zero or a one so that the total number of ones contained in the transmission including the parity bit is either even or odd This bit is used by the receiver to detect errors that may occur to an odd number of bits in the transmission However a single parity b
99. mity accuracy The Input Display will be linear between scaling points that are sequential in program order Each scaling point has a coordinate pair consisting of an Input Value fPE n and an associated desired Display Value d SP n Data from tables or equations or empirical data could be used to derive the required number of segments and data values for the coordinate pairs In the Crimson software several linearization equations are provided to help calculate scaling points 17 SCALING STYLE MES APLY SEL iP REY key in data apply signal If Input Values and corresponding Display Values are known the Key in KEY scaling style can be used This allows scaling without the presence of the input signal If Input Values have to be derived from the actual input signal source or simulator the Apply APLY scaling style must be used INPUT VALUE FOR SCALING POINT 1 1999 to 9999 For Key in KEY enter the known first Input Value by using the For F7 arrow keys The Input Range selection sets up the decimal location for the Input Value For Apply APLY the existing programmed value will appear If this is acceptable press the P key to save and continue to the next parameter To update program this value apply the input signal that corresponds to Scaling Point 1 press V4 key and the actual signal value will be displayed Then press the P key to accept this value and continue to the next parameter DISP
100. mote parameter selections are identified by the FlexCard address FCx where x Setpoint FlexCard is installed verify that the Line 1 units is indicating the Address 1 thru 3 If properly installed the FlexCard address is the same as the address FCx x Address 1 thru 3 of the FCAO card to be programmed If option slot position in which it is installed properly installed the FlexCard address is the same as the option slot position in which it is installed 7 1 1 INPUT PROGRAMMING PE FERE Prc fg Pro EUPE Rook dEPE Fnd OFS Fler bAMd Hi E LO E PRES SEUL PAPE idi SP l nPt HP InP InP InP HP InP InP InP HP HP WP I HP H n Goo GB G ru u if g KEY ooi 08 u SEL SEC SEC x x Hardware Selection Process Enable Display Display Display Filter Filter Max Delay Min Delay Scaling Scaling Input x Display x Input Square Decimal Rounding Offset Setting Band Time Time Points Style Value Value Type Root Point Value PROCESS INPUT TYPE MAX DELAY TIME a cu BU to 9939 seconds When the input display is above the current MAX value for the Max Delay time Hi E the controller will capture the display value as the new max value Longer delay time helps to avoid false captures of short input fluctuations Select the desired input type FILTER BAND MIN DELAY TIME D t0 3933 display units LU to 9999 seconds The digital filter will adapt to variations in the input signa
101. nding active alarm is reset immediately and remains reset until the next occasion that the trigger point is crossed Any alarms that are latched at power down will be reset LELg Latch with delay reset action This action latches the alarm on at the trigger point per the Alarm Action shown in Alarm Figures Latch means that the alarm can only be reset by a manual reset via front panel key or user input a serial reset command or a controller power loss When the user input or function key is activated momentary or maintained the controller delays the reset until the corresponding on alarm crosses the trigger off point Any alarms that are latched at power down will be reset 43 MANUAL RESET Hys OFF OFF Ruta OFF ON OFF OFF LEE 1 OFF OFF OFF ON LEC2 Alarm Reset Actions ALARM STANDBY OPERATION DEA ng YES x When 4E5 the alarm is disabled after a power up until the trigger point is crossed After the alarm trigger is reached the alarm operates normally per the Alarm Action and Reset Action A nn HL The following programming step is only available when Input Type in the Analog Input Parameter Programming Loop is set for a temperature input TC RTD BURN OUT ACTION on FE JFF BF F Enter the probe burn out action In the event of a temperature probe failure TC open RTD open or short the alarm output can be programmed to b
102. ne Relay Energized 5 amps 120 240 VAC or 28 VDC resistive load Total current with both relays energized not to exceed 5 amps Life Expectancy 100 K cycles min at full load rating External RC snubber extends relay life for operation with inductive loads QUAD RELAY CARD PAXCDS20 Type Four FORM A relays Isolation To Sensor amp User Input Commons 2300 Vrms for 1 min Contact Rating One Relay Energized 3 amps 240 VAC or 30 VDC resistive load Total current with all four relays energized not to exceed 4 amps Life Expectancy 100K cycles min at full load rating External RC snubber extends relay life for operation with inductive loads QUAD SINKING OPEN COLLECTOR CARD PAXCDS30 Type Four isolated sinking NPN transistors Isolation To Sensor amp User Input Commons 500 Vrms for 1 min Not Isolated from all other commons Rating 100 mA max Vsar 0 7 V max Vmax 30 V QUAD SOURCING OPEN COLLECTOR CARD PAXCDS40 Type Four isolated sourcing PNP transistors Isolation To Sensor amp User Input Commons 500 Vrms for 1 min Not Isolated from all other commons Rating Internal supply 18 VDC unregulated 30 mA max total External supply 30 VDC max 100 mA max each output DUAL TRIAC DUAL SSR DRIVE CARD PAXCDS50 Triac Type Isolated zero crossing detection Voltage 260 VAC max 20 VAC min Max Load Current 1 Amp 25 C 0 75 Amp 50 C Total load current with both triacs ON not to exceed 1 5 Amps Min Load Current
103. ning parameter entries scaling point values setpoint values etc are not automatically adjusted to this display rounding selection OFFSET VALUE 1999 to 9999 The process value can be corrected with an offset value This can be used to compensate for probe errors errors due to variances in probe placement or adjusting the readout to a reference thermometer DIGITAL FILTER DO to250 seconds The digital filter setting is a time constant expressed in tenths of a second The filter settles to 99 of the final display value within approximately 3 time constants This is an Adaptive Digital Filter which is designed to steady the Input Display reading A value of 0 disables filtering SCALING POINTS cto Ib Prt MP g Linear Scaling Points 2 For linear processes only 2 scaling points are necessary It is recommended that the 2 scaling points be at opposite ends of the input signal being applied The points do not have to be the signal limits Display scaling will be linear between and continue past the entered points up to the limits of the Input Signal Jumper position Each scaling point has a coordinate pair consisting of an Input Value IPE n and an associated desired Display Value di 5P n Nonlinear Scaling Points Greater than 2 For non linear processes up to 16 scaling points may be used to provide a piece wise linear approximation The greater the number of scaling points used the greater the confor
104. o Only available when PID Control Mode A I PID Control Control Manual Output Assignment Type Mode Power Available when PSP fion Setpoint Setpoint 1 Setpoint 2 Setpoint Setpoint Setpoint Setpoint Remote Remote Remote Remote Selection Value Value Low Limit High Limit Ramping Ramp Rate Setpoint Setpoint Setpoint Setpoint Timebase Assignment Ratio Multiplier Bias Transfer PID Primary Primary Primary Primary Primary Alternate Alternate Alternate Alternate Alternate Parameter Proportional Integral Derivative Power Filter Output Offset Proportional Integral Derivative Power Filter Output Offset Selection Band Value Time Value Time Value Value Value Band Value Time Value Time Value Value Value Pid Phdr FLEP dEAd HEGh HELo HEN ELEn fito ELH io 000 io 00 0 00 0 oo n0 Org Org Org Org Ory Org m Ory Fault Condition Output Output Heat Power Heat Power Output Cool Power Cool Power Power Value Deadband Heat Gain Low Limit High Limit Cool Gain Low Limit High Limit HY5E dERd ONgF fe 0 0 On Off On Off Hysteresis Deadband Pid eae Et LunE 2 An PID Tuning Initiate Code Tuning 31 6 4 1 PID PARAMETERS CONTROL PARAMETERS tr PID ASSIGNMENT nant PY Selects the parameter to be used as the PID input process value HOME No PID assignment PID disabled PH PID assigned to Process Value PID CONTROL TYPE EXPE HERE EDOL Select the type of PID control
105. ocess through 4 on off cycles so it is important to set the On Off Hysteresis to an appropriate value before initializing auto tune ON OFF DEADBAND 1999 to 99949 process units nn The On Off Deadband provides a means of offsetting the on points LILI of heat and cool outputs when operating in on off control This results in a deadband if the value is positive and overlap if the value is negative When determining the actual transition points of the outputs the On Off Hysteresis value must also be taken into consideration dE Ad 6 4 6 PID PARAMETERS PID TUNING PARAMETERS kunt PID TUNING CODE ELdE ll to 4 The PID Tuning Code is used to provide an auto tune that yields e the optimal P I and D values for various applications A setting of Very Aggressive 0 results in PID settings that will reach setpoint as fast as possible with no concern for overshoot A setting of Very Conservative increases time to reach setpoint in order to prevent overshoot Note If the PID Tuning Code is changed initiate auto tune for the change to affect the PID settings See the PID Tuning Explanations Section for more information Very Aggressive Aggressive P Default J Conservative 4 Very Conservative 35 INITIATE AUTO TUNE bunt ng YES n n n The Initiate Auto Tune is used to initiate an auto tune sequence Auto tune may be used to establish the optimal P I D and Power Filter values for a particul
106. oller reads and stores the new calibration parameter 55 PX2FCA0 FREQUENTLY USED MODBUS REGISTERS Only frequently used registers are shown below The entire Modbus Register Table can be found at www redlion net and on the flash drive shipped with the PAX2C Negative values are represented by two s complement Note The PAX2C should not be powered down while parameters are being changed Doing so may corrupt the non volatile memory resulting in checksum errors REGISTER FACTORY ADDRESS REGISTER NAME LOW LIMIT HIGH LIMIT oe ACCESS COMMENTS FREQUENTLY USED REGISTERS 4n001 Input Process Value Hi word 1 a Unit 1999 9999 Read Only ADC Overrange Value 1048576 4n002 Input Process Value Lo word Underrange Value 1048576 4n003 Input Process Maximum Hi word F 1999 9999 N A Read Only 1 1 Display Unit 4n004 Input Process Maximum Lo word 4n005 Input Process Minimum Hi word i 1999 9999 N A Read Only 1 1 Display Unit 4n006 Input Process Minimum Lo word 4n007 Active SP 1999 9999 Read Write 1 1 Display Unit 4n008 Active Remote SP 1999 9999 NA Read Only 1 1 Display Unit Bit 8 Set ADC Underrange Bit 7 Set ADC Overrange 4n009 Status Flags Read Only E zn M Bit 4 Set Auto Tune Done Bit 3 0 Auto Tune Phase Readiwito Stats of Solid State Outputs Bit State O OFF 1 ON o Output Status Register Status Register o Reaanwrt Bit 3 O4 Bit 2 O3
107. on Line 2 parameter values can be made accessible in HERE View and change in Hidden display loop the Main D Key Parameter P key and Hidden P key following code entry display loops Parameter Access Selections indicate the display loop by the first Display Loop Parameter Access character of the selection d Display Loop P Parameter Loop and H Hidden Parameters selected as drEd or dEnt will be consecutively displayed on Line 2 Loop The remaining three characters indicate if the selection allows for the by pressing the D key While viewing a parameter selected as dEnE the parameter parameter to only be viewed rEd or if the parameter can be viewed and entered setting can be changed by pressing the P key using the and VZ keys to make Ent An Ent selection for HI or LO parameters allows the parameter to be reset a change and then pressing the P key to make the change active The Line 2 in the corresponding display loop An Ent selection for any of the FACE units mnemonic indicates the parameter currently being displayed on Line 2 parameters allows the parameter to be changed within the corresponding display While viewing parameters in the Display Loop which are not presently being loop For a description of the FILE parameter function refer to the corresponding changed pressing a function key will perform the user function as programmed parameter description in the User Input Function Key Parameters User section in the User Input
108. onnect the shield to earth ground protective earth at one end where the unit is mounted b Connect the shield to earth ground at both ends of the cable usually when the noise source frequency is over 1 MHz Never run Signal or Control cables in the same conduit or raceway with AC power lines conductors feeding motors solenoids SCR controls and heaters etc The cables should be run through metal conduit that is properly grounded This is especially useful in applications where cable runs are long and portable two way radios are used in close proximity or if the installation protection at the load is always a good design practice to limit EMI Although the use of a snubber or varistor could be used RLC part numbers Snubber SNUB0000 Varistor ILS11500 or ILS23000 Care should be taken when connecting input and output devices to the instrument When a separate input and output common is provided they should not be mixed Therefore a sensor common should NOT be connected to an output common This would cause EMI on the sensitive input common which could affect the instrument s operation Visit RLC s web site at http www redlion net emi for more information on EMI guidelines Safety and CE issues as they relate to Red Lion Controls products 4 1 POWER WIRING AC Power MN N DC Power 2 N N N AC DC O Q O lt x OR C The power supplied to the controller shall employ a 15 Amp UL approved
109. ontroller uses the Alternate P I D and filter values for control USrx maintained action Fx toggle The controller initiates a bumpless transfer during each transfer in an effort to minimize any output power fluctuation This parameter selection is affected by FlexCard installation See Section 7 0 Programming the FlexCard ES These selections are only available for user inputs 18 SETPOINT RAMPING DISABLE When activated setpoint ramping is terminated and the controller will control at the target setpoint USrx maintained action When user input is deactivated setpoint ramping will occur at the next setpoint change When the Function key is pressed setpoint ramping is terminated and the controller will control at the target setpoint Fx toggle A second press of the function key enables setpoint ramping to occur at the next setpoint change SPrP SPrP Pet SELECT MAXIMUM VALUE DISPLAY When activated the Maximum value appears on Line 2 as long as active maintained When the user input is inactive the previously selected display is returned The D or P keys override and disable the active user input The Maximum continues to function independent of the selected display RESET MAXIMUM VALUE When activated r5Et flashes on the display and the f Maximum value resets to the present Input value momentary action The Maximum function then continues updating from that value This selection
110. ontrols the digital output state In Manual Mode writing to this register VS will change the output state Sending any character besides 0 or 1 in a field or if the corresponding output was not first in manual mode the corresponding output value will not change Example VS10 will result in output 3 on and outputs 1 2 and 4 off Control Parameters Register CTL ID M This register contains the status 0 FALSE and 1 TRUE of 8 control flags in the form abcdefgh where a Integral Lock b Alternate PID Set 1 Primary PID Set 0 c Remote SP 1 Local SP 0 d SP2 1 SP1 0 e Setpoint Ramping Status Read Only f Setpoint Ramping Disable g Manual Mode 1 Auto Mode 0 h AutoTune Example a TM response of CTL 00011000 would indicate Setpoint 2 has been selected and the Setpoint is ramping Sending VM10100 would leave Setpoint 2 selected and disable Setpoint ramping All other control flags would be set to the FALSE 0 state COMMAND RESPONSE TIME The controller can only receive data or transmit data at any one time half duplex operation When sending commands and data to the controller a delay must be imposed before sending another command This allows enough time for the controller to process the command and prepare for the next command At the start of the time interval t the computer program prints or writes the string to the
111. op A proportional band of 0 0 forces the controller into ON OFF control mode with its characteristic cycling at setpoint See ON OFF Control for more information 37 INTEGRAL TIME Integral time is defined as the time in seconds in which the output due to integral action alone equals the output due to proportional action with a constant process error As long as a constant error exists integral action repeats the proportional action every integral time Integral action shifts the center point position of the proportional band to eliminate error in the steady state The units of integral time are seconds per repeat Integral action also known as automatic reset changes the output power to bring the process to setpoint Integral times that are too fast small times do not allow the process to respond to the new output value This causes over compensation and leads to an unstable process with excessive overshoot Integral times that are too slow large times cause a slow response to steady state errors Integral action may be disabled by setting the time to zero If time is set to zero the previous integral output power value is maintained If integral action is disabled manual reset is available by modifying the output power offset DPOF initially set to zero to eliminate steady state errors Note The Proportional band shift due to integral action may itself be reset by temporarily setting the controller i to the
112. op See Section 7 0 Programming the FlexCard for more details Advanced Mode Only Display Display Display Operating Basic Mode Intensity Contrast Update Mode Reset Level Level Rate DISPLAY INTENSITY LEVEL OPERATING MODE EM dLEU D toY b5IE AME SP Enter the desired Display Intensity Level 0 4 by using the arrow keys The display will dim or brighten as the level selection is changed This parameter can also be accessed in the Display Parameter or Hidden Loops when enabled in Display LICS Parameter Programming Loop This parameter configures the controller to operate in Basic or Advanced Mode Basic mode offers a reduced menu structure geared towards simpler applications that may not require the more advanced features of the PAX2C Basic Mode b5 L Maximum of four alarms DISPLAY CONTRAST LEVEL Configuration of Display Color Zones is limited to a default r color no dynamic changing of zone colors based on di nt li to 5 mapped parameters d5P Advanced Mode Adiil Enter the desired Display Contrast Level 0 15 by using the arrow keys The display contrast viewing angle will adjust up or down as the level selection is changed This parameter can also be accessed in the Display Parameter or Hidden Loops when enabled in Display LOLS Parameter Programming Loop Maximum of sixteen alarms Full configuration on all seven Display Color Zones Warning When switching operating mode from dif to b5 any Ad
113. oper installation 3 case knock out features must be present on the top case surface horizontal controller or right case surface vertical controller To update a case to include these knock outs a replacement case is available UsING THIS MANUAL This manual contains installation and programming instructions for the PAX2C and all applicable option cards For ease of installation it is recommended that the Installation Guide received with the controller be used for the installation process Only the portions of this manual that apply to the application need to be read Minimally we recommend that General Controller Specifications Reviewing the Front Buttons and Display and Crimson Programming Software portions of this manual be read in their entirety We highly recommend that controller programming be performed using Crimson programming software When using Crimson the programming portion of this manual serves as an overview of the programming options that are available through Crimson The programming section of the manual will serve to provide expanded explanations of some of the PAX2C programming features found in Crimson For users who do not intend to use Crimson to program their controller this manual includes information to provide for a user to program one or all of the CRIMSON PROGRAMMING Crimson software is a Windows based program that allows configuration of the PAX controller from a PC Crimson offers standa
114. or Band or Deviation Alarm Action A 40059 ive Alarm 11 Band Dev Value 1999 9999 o Read Write Active List A or B Only for Band or Deviation Alarm Action 40060 ive Alarm 12 Band Dev Value 1999 9999 0 Read Write Active List A or B Only for Band or Deviation Alarm Action 40062 ive Alarm 14 Band Dev Value 1999 9999 o Read Write Active List A or B Only for Band or Deviation Alarm Action A 40061 Active Alarm 13 Band Dev Value 1999 9999 0 Read Write Active List A or B Only for Band or Deviation Alarm Action A A 40063 ive Alarm 15 Band Dev Value 1999 9999 o Read Write Active List A or B Only for Band or Deviation Alarm Action 40064 Active Alarm 16 Band Dev Value 1999 9999 0 Read Write Active List A or B Only for Band or Deviation Alarm Action cti cti cti d cti cti cti 40058 Active Alarm 10 Band Dev Value 1999 9999 0 ReadiWrite Active List or B Only for Band or Deviation Alarm Action ci cti cti cti cti cti SERIAL RLC PROTOCOL COMMUNICATIONS RLC Communications requires the Serial Communications Type Parameter EYPE be set to r LE SENDING SERIAL COMMANDS AND DATA TO THE CONTROLLER When sending commands to the controller a string containing at least one command character must be constructed A command string consists of a command character a value identifier numerical data if writing data to the
115. parameter to be used to activate the alternating Red Orange Backlight for Line x LINE x RED GREEN BACKLIGHT ASSIGNMENT rdom none Du im SPSL nan Ouke Duti Bub Abe MAN SPrP RSPE ILOC tunE Enda EnfFL Assign the parameter to be used to activate the alternating Red Green Backlight for Line x fren Or flG rEd Enter the desired Universal Annunciator Display color firn Green fir lb Orange rEd Red UNIVERSAL ANNUNCIATOR x UNITS MNEMONIC OFF n FF Disables display mnemonics fl Enables display mnemonics Allows programming of up to two individual characters Lt and l flE2 from a preprogrammed list The characters available for the programmable modes include RhtdEFBbHiuMkLPFnaBPERSEUN Bun 2313455 18 Jdc PS h Fano De uln E 1r blank Two character spaces are required to display this character UNIVERSAL ANNUNCIATOR x DISPLAY MODE Hd SP nor r u uflx FLSh Enter the desired Universal Annunciator Display Mode nor nar Displays the configured universal annunciator when the mapped parameter is activated on r Eu Displays the configured universal annunciator when the mapped parameter is deactivated off FL 5h Flashes the configured universal annunciator when the mapped parameter is activated on UNIVERSAL ANNUNCIATOR x ASSIGNMENT AONE Dub Gute Duti Duk Abe MAN SPSL SPrP RSPE ILDE LunE kandan EnFL Selects the parameter that when active enables the
116. pplied to the controller DC or AC be protected by a fuse or circuit breaker When wiring the controller compare the numbers embossed on the back of the controller case to those shown in wiring drawings for proper wire position Strip the wire according to the terminal block specifications stranded wires should be tinned with solder Insert the lead into the correct terminal and then tighten the terminal until the wire is secure Pull wire to verify tightness EMC INSTALLATION GUIDELINES Although Red Lion Controls Products are designed with a high degree of immunity to Electromagnetic Interference EMI proper installation and wiring methods must be followed to ensure compatibility in each application The type of the electrical noise source or coupling method into a unit may be different for various installations Cable length routing and shield termination are very important and can mean the difference between a successful or troublesome installation Listed are some EMI guidelines for a successful installation in an industrial environment 1 A unit should be mounted in a metal enclosure which is properly connected to protective earth 2 Use shielded cables for all Signal and Control inputs The shield connection should be made as short as possible The connection point for the shield depends somewhat upon the application Listed below are the recommended methods of connecting the shield in order of their effectiveness a C
117. properly installed The controller should be installed in a location that does not exceed the The controller is intended to be mounted into an enclosed panel Prepare the operating temperature and provides good air circulation Placing the controller panel cutout to the dimensions shown Remove the panel latch from the near devices that generate excessive heat should be avoided controller Slide the panel gasket over the rear of the controller to the back of The bezel should only be cleaned with a soft cloth and neutral soap product the bezel The controller should be installed fully assembled Insert the Do NOT use solvents Continuous exposure to direct sunlight may accelerate the controller into the panel cutout aging process of the bezel While holding the controller in place push the panel latch over the rear of the Do not use tools of any kind screwdrivers pens pencils etc to operate the controller so that the tabs of the panel latch engage in the slots on the case The keypad of the controller panel latch should be engaged in the farthest forward slot possible To achieve a proper pane Seal tighten the latch screws evenly until the controller is snug in the panel Torque to approximately 7 in lbs 79N cm Do not over tighten the screws 3 62 5 92 8 1 7 4 02 LATCHING REO SLOTS li PANEL LATCH 3 62 92 3 LATCHING TABS q PANEL GASKET HORIZONTAL PANEL CUT OUT VERTICAL PANEL
118. r Error Code verify Error Code Ed4n all program settings and cycle power Contact factory if Error Code returns at next power up Error Code EPra Parameter Data Validation Error Press any key to clear Error Code verify all program settings and cycle power Contact factory if Error Code returns at next power up Error Code ELAL Calibration Data Validation Error Contact factory Error Code EL in Linear Output Card Data Validation Error Press any key to clear Error Code and cycle power If Error Code returns at next power up replace Linear Option Card or contact factory Error Code Err FEx A previously installed FlexCard has been removed Install FlexCard of the same type with address x or Press D to delete FlexCard x programming or Press P to continue without FlexCard hardware installed 61 LIMITED WARRANTY a Red Lion Controls Inc Sixnet Inc N Tron Corporation or Blue Tree Wireless Data Inc the Company warrants that all Products shall be free from defects in material and workmanship under normal use for the period of time provided in Statement of Warranty Periods available at www redlion net current at the time of shipment of the Products the Warranty Period EXCEPT FOR THE ABOVE STATED WARRANTY COMPANY MAKES NO WARRANTY WHATSOEVER WITH RESPECT TO THE PRODUCTS INCLUDING ANY A WARRANTY OF MERCHANTABILITY B WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR C WARRANTY AGAINST INFRINGEMENT OF INTELLEC
119. r to be used to activate the Red backlight for Assign the parameter to be used to activate the alternating Red the mnemonics Green backlight for the mnemonics rEd none Que Ouk Dub3 duty Ate man rdBn none duet Ouk Gabi Dubs Rie MAN mu SPSL SPrP PSP ILOC LunE ndn tafl UM SPSL SPeP PSPb ILDE Lun Endn Enfl D This parameter selection is affected by FlexCard installation See Section 7 0 Programming the FlexCard 6 3 3 DISPLAY PARAMETERS LINE 2 PARAMETERS L LS LINE 2 VALUE ACCESS PARAMETER SELECTION LIPE di5P Pid Alr FREE Select the display parameters to be configured If a FlexCard option card is installed a hardware selection menu will appear when entering the Parameter Programming Loop See Section 7 0 Programming the FlexCard for more details DISPLAY PARAMETERS LINE 2 PARAMETER VALUE ACCESS This section provides information regarding parameters that can be SELECTION DESCRIPTION programmed to display on Line 2 Display Bottom Line Various input display dEnk View and change in Main display loop PID alarm and function parameters can be programmed to be viewed in the e various Line 2 display loops PrEd View in Parameter display loop Cannot change or reset i PEnt View and change in Parameter display loop Parameter Access Selections Hr Ed View in Hidden display loop Cannot change or reset Parameters to be viewed entered on Line 2 are configurable by using the r P y Pe d i Parameter Access Selecti
120. rd drop down menu commands that make it easy to program the controller The controller s program can then be saved in a PC file for future use PROGRAMMING USING CRIMSON Crimson is included on the Flash Drive that is shipped with the PAX2C Check for updates to Crimson at http www redlion net crimson2 Install Crimson Follow the installation instructions provided by the source from which Crimson is being downloaded or installed Using a USB Type A Mini B cable plug the Mini B end of the cable into the PAX2C USB Programming Port Plug the other end of the USB cable into an available USB port on the PC Apply power to the PAX2C If a FlexCard has been removed or has had the address changed error message s will need to be resolved before continuing See Troubleshooting on page 61 for error message resolution Start Crimson Click the Crimson Link tab Click Extract o Crimson will extract the current program settings from the PAX2C o If the controller has not been programmed the extracted file will contain factory settings Note that the PAX2C factory settings vary based on the option cards installed o Crimson will display a PAX2C with various areas described by the programming parameters that pertain to the area Double click on the Analog User Inputs F Keys PID area Make configuration selections For information regarding a configuration selection hover the curser over the selection area Make configurat
121. re a PAX2C with a PX2FCAO Process Input FlexCard can be configured to provide a Remote Setpoint with a Ratio value of 1 500 A temperature transmitter from the blending agent vat is used to generate the Remote Setpoint signal TEMPERATURE REMOTE SETPOINT SLAVE CONTROL Example Multiple PAX2Cs with Process Input FlexCards are used to regulate the temperature zones of a continuous drying oven To reduce thermal shock to the product the setpoint levels of incoming zone controllers are low while the other controllers have setpoints that are increasingly ramped up to the ideal drying temperature All but one of the PAX2Cs are used as slave controllers with unique bias values to implement the ramp setpoint values of the drying oven One PAX2C is the master controller The master controller re transmits the setpoint value via the PAXCDL linear DC output 4 20 mA to the slave zone controllers The slave zone controllers receive the 4 20 mA signal as a Remote Setpoint CASCADE CONTROL Cascade control involves the separation of a process into two control loops the primary loop and the secondary loop The secondary control loop is normally designed to regulate a faster responding process which exists within the main process The setpoint for the secondary control loop by means of a remote setpoint is provided by the primary control loop output To maintain primary loop regulation the primary loop output provides a remote setpoint for the secondary
122. re active the output will energize ALARM MASK ASSIGNMENT ng 4ES Selects the alarms to be logically combined per the Alarm Logic Assignment Alarms configured as YE5 will be used in the Boolean logic calculation If the Alarm Logic is assigned as Single SNGL the last alarm selected as YES will be used Pressing the D key completes the Alarm Mask Assignment and advances to the next Backlight Color Assignment LINE x GREEN BACKLIGHT ASSIGNMENT AONE Gub SPSL Gute Duti uk Abe MAR SPreP RSPE ILOC ELunt Enda EnfL Assign the parameter to be used to activate the Green Backlight for Line x Lax LINE x ORANGE BACKLIGHT ASSIGNMENT AONE Gub SPSL Gute Duti uk Abe MAR SPreP RSPE ILOC ELunt Enda Enfl Assign the parameter to be used to activate the Orange Backlight for Line x LINE x RED BACKLIGHT ASSIGNMENT AONE Gub oP SL Ouke Dut Ouk Abe MAR SPreP RSPE ILOC ELunE Enda EnFfL Assign the parameter to be used to activate the Red Backlight for Line x LINE x GREEN ORANGE BACKLIGHT ASSIGNMENT AONE Gub SPSL Ouke dutd uk Abe MAR SPreP RSPE ILOC ELunE Enda EnfL Assign the parameter to be used to activate the alternating Green Orange Backlight for Line x This parameter selection is affected by FlexCard installation See Section 7 0 Programming the FlexCard LINE x RED ORANGE BACKLIGHT ASSIGNMENT AONE Bub Duke GukF Duk Abe MAN SPSL SPrP RSPE ILDE LunE Enda EnFL Assign the
123. roller Subsequent changes made to scaling values may require re tuning The following procedure may be used to initially tune a Cascade system 1 Place the Secondary controller into Local Setpoint mode F5PE LOE and Manual tr F dn mode of operation Adjust output power level of the secondary until primary variable is close to primary setpoint within 1096 of range 3 Key in the secondary loop setpoint value equal to secondary process value Auto Tune the secondary controller while in Local Setpoint mode FSFE Lat 5 Place the secondary controller into Remote Setpoint mode F5PE FEF and Automatic ErnF Auto mode of operation 6 Auto tune the primary controller while the primary is in Automatic mode of operation 7 Initial tuning of system is complete After the process has stabilized the primary and secondary may be re tuned in Automatic mode of operation Normally the primary requires re tuning whenever the secondary PID constants are changed Note For Remote Setpoint controllers the Auto tune control point is dependent on the mode In Remote Setpoint mode it is derived from the Remote Setpoint In Local Setpoint mode it is derived from the Local Setpoint N AR PID ADJUSTMENTS In some applications it may be necessary to fine tune the Auto Tune calculated PID parameters To do this a chart recorder or data logging device is needed to provide a visual means of analyzing the process Compare the ac
124. rrow keys can then be used to make small value changes as described above PROGRAMMING MODE EXIT To exit the Programming Mode press and hold the D key from anywhere in the Programming Mode or press the P key with Pro fl displayed This will commit stored parameter changes to memory and return the controller to the Display Mode If a parameter was just changed the P key must be pressed to store the change before pressing the D key If power loss occurs before returning to the Display Mode verify recent parameter changes PROGRAMMING TIPS Itis highly recommended that controller programming be performed using Crimson programming software If lost or confused while programming using the keypad method press and hold the D key to exit programming mode and start over Program settings should be saved or recorded as programming is performed When programming is downloaded or completed lock out programming with a user input or lock out code Factory Settings may be completely restored in the Factory Service Operations module This is useful when encountering programming problems In Programming Menu Top line is green to indicate main programming loop Top line is orange to indicate parameter programming selection is available Top line is red to indicate a changeable parameter is being viewed Ifa FlexCard option card is installed a hardware selection programming loop will appear between the Main Programming Loop and the Parameter
125. rs available for the programmable modes include AbCdHd EF BH ou RE Nnorpearseun hye ot CI4 S618 Ide POS5h mna r wu f 0 Je 2 blank Two character spaces are required to display this character LINE x BAR GRAPH ASSIGNMENT MORE DF dtu P Pat Pat Pat dtu 5P Any any any Select the parameter to be assigned to Display Line x bar graph MONE Bar Graph is disabled GP Output Power dE y Deviation from the Setpoint Value SP Active Setpoint Controllers without a PID control capable FlexCard installed There is no functional difference between a Pel parameter selection and an ANY parameter selection Controllers with a PID control capable FlexCard installed A parameter selection that is identified as ANY will allow the Line 2 Bar graph to indicate the level ofthe selected parameter which corresponds to the source from which Line 2 display is derived If display line 2 is showing a Pe parameter value Line 2 bargraph will indicate the level of the Pef assigned parameter If the line 2 display is changed to show a F parameter the line 2 bargraph will then indicate the level of the FE assigned parameter LINE x BAR GRAPH LOW SCALING POINT B to9999 Enter the desired Display Line x Bar Graph Low Scaling Point c m mao n LI LINE x BAR GRAPH HIGH SCALING POINT B to9999 Enter the desired Display Line x Bar Graph High Scaling Point The following programming steps are only available in the Advanc
126. s If the controller address is 00 the address will not be sent during a full transmission PRINT OPTIONS n YES OPE SRL nn YES Enters the sub menu to select the controller parameters to appear during a print request For each parameter in the sub menu select 4E5 for that parameter information to be sent during a print request or ff for that parameter information not to be sent A print request is sometimes referred to as a block print because more than one parameter information meter address mnemonics and parameter data can be sent to a printer or computer as a block DISPLAY DESCRIPTION peatland MNEMONIC PAPE Signal Input PV YES INP cP Setpoint nn SET SPrr Setpoint Ramp Rate ng RMP oP Output Power ng PWR ProP Proportional Band ng PBD Ink Integral Time ng INT dEr Derivative Time nn DER Abr Alarm Status 1 4 nn ALR R 4 Alarm Value 1 nn A 1 A Alarm Value 2 ng A 2 ALJ Alarm Value 3 nn AL3 RLM Alarm Value 4 nn AL4 ttr Control Parameters nn CTL Active values 45 SERIAL COMMUNICATIONS OVERVIEW The PAX2 supports serial communications using the optional serial communication cards or via the USB programming port located on the side of the controller When USB is being used connected the serial communication card is disabled When using the standard RS232 and RS485 PAX option cards the PAX2 supports both RLC protocol and Modbus communications The PAX Modbus option card should not be used with the PAX2 as th
127. s NOT isolated from user input common In order to maintain safe operation of the controller the sensor input common must be suitably isolated from hazardous live earth referenced voltages or input common must be at protective earth ground potential If not hazardous live voltage may be present at the User Inputs and User Input Common terminals Appropriate considerations must then be given to the potential of the user input common with respect ee Lead to earth common and the common of the isolated option cards with respect to input common Thermocouple 3 Wire RTD V TC RTD IN oo INP COMM RTD EXC 4 V TC RTD IN oo INP COMM u RTD EXC V TC RTD IN co INP COMM Sense Lead C 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I Jumper 1 RTD Excitation 12 4 4 USER INPUT WIRING If not using User Inputs then skip this section User Input terminals do not need to be wired in order to remain in the inactive state Sinking Logic URLE Lo When the WALE parameter is programmed to La the user inputs of the controller are E internally pulled up to 43 3 V with20KQ resistance The input is active when it is o Ti N pulled low lt 1 1 V me A JE W WwW 22 2 2 2 9 10 11 lus eo o or 1 o0 Sourcing Logic ALE H When the UACE parameter is programmed to H the user inpu
128. s rEu this becomes an off time delay Any time accumulated at power down resets during power up OFF TIME DELAY O to 9994 seconds Enter the time value in seconds that the alarm is delayed from turning off after the trigger point is reached A value of 0 0 allows the controller to update the alarm status per the response time listed in Specifications When the output logic is rEu this becomes an on time delay Any time accumulated at power down resets during power up ALARM LOGIC Poor LBL nor rEu A x Enter the logic of the alarm The nar logic leaves the alarm nar operation as normal The rEu logic reverses the alarm logic In rEu the alarm states in the Alarm Figures are reversed RESET ACTION Ruto LEL LEE I Enter the reset action of the alarm Aut o 7 Automatic action This action allows the alarm to automatically reset at the trigger points per the Alarm Action shown in Alarm Figures The active alarm may be manually reset by a front panel function key or user input The alarm remains reset until the next occasion that the trigger point is crossed Latch with immediate reset action This action latches the alarm on at the trigger point per the Alarm Action shown in Alarm Figures Latch means that the alarm will only be reset by a manual reset via front panel key or user input a serial reset command or a controller power loss When the user input or function key is activated momentary or maintained the correspo
129. s that become available in the PAX2C when a specific FlexCard is installed Many of the Parameters function as defined in Section 6 0 FlexCard parameters that function the same as the corresponding PAX2C parameter have the same display alarm and output interface capability as the corresponding PAX2C parameter Only the Parameters that do not appear in Section 6 0 or function differently are defined in the following sections For all menu parameters that are not defined refer to the corresponding Parameter Programming Loop in section 6 0 When making parameter selections it is important to note the specific parameter and source of the parameter that is being selected The parameter source identifier when applicable will appear in Line 2 Units location on the PAX2C display If the parameter source is from the PAX2C the identifier will be Pcl if from a FlexCard the identifier will be F x where x is the FlexCard address slot location 7 1 PX2FCAO Process INPUT FLEXCARD To access the Parameter Programming Selection Loop which follow an PE When installed in a PAX2C the Process Input Remote Setpoint FlexCard lut or Pid Main Programming Loop selection a hardware selection will be Input Output and PID parameters become available in many PAX2C required To program the Process Input Remote Setpoint FlexCard make a programming menu selections Process Input Remote Setpoint FlexCard hardware selection of PX2FCAO If more than one Process Input Re
130. s that may be selected as the target setpoint LILI of the process SETPOINT 2 VALUE o pg 1999 93239 One of the two values that may be selected as the target setpoint of the process co E SETPOINT LOW LIMIT 1998 9 939g Select the desired Setpoint Low Limit value This value should be selected so that the controller setpoint value cannot be set outside the safe operating range of the process The Remote Setpoint is also subject to this limit En Tc En r7 cta EX This parameter selection is affected by FlexCard installation See Section 7 0 Programming the FlexCard SETPOINT HIGH LIMIT 1999 99393 Select the desired Setpoint High Limit value This value should be g g gg selected so that the controller setpoint value cannot be set outside the safe operating range of the process The Remote Setpoint is also subject to this limit GPH SETPOINT RAMPING TIMEBASE OFF SEC PUI hour PrF n F F Select the desired unit of time for the Setpoint Ramp Rate 5Prr OFF Off SEL Seconds PU il Minutes hour Hours SETPOINT RAMP RATE 0 to9999 The Setpoint Ramp Rate is used to reduce sudden shock to a process during setpoint changes and system startup A setpoint ramp rate is used to move the Target Setpoint at a controlled rate The value is entered in units time A value of 0 disables setpoint ramping If the Setpoint Ramp Rate is enabled and the Setpoint value is changed or the controller is powered up the
131. teady state error uF E3 Bx This parameter selection is affected by FlexCard installation See Section 7 0 Programming the FlexCard Firmware versions 1 51 and earlier do not show the decimal point but function with tenth of a second resolution 6 4 4 PID PARAMETERS OUTPUT POWER PARAMETERS Pii FAULT CONDITION POWER VALUE 1959 to 2000 Ua J FLE Enter the desired control output value for the controller to assume nn LLLI in the event that the input sensor fails Mi OUTPUT DEADBAND 000 to 00 0 96 The Output Deadband defines the area in which both the heating and cooling outputs are inactive deadband or the area in which they will of both be active overlap A positive value results in a deadband while a negative value results in an overlap of the heating and cooling outputs dERd nn Lu 95 OUTPUT HEAT GAIN to 5000 96 The Output Heat Gain defines the gain of the heating output relative to the gain established by the Proportional Band A value of 10096 causes the heat gain to mimic the gain determined by the proportional band A value less than 100 can be used in applications in which the heater is oversized while a value greater than 100 can be used when the heater is undersized For the majority of applications the default value of 100 is adequate and adjustments should only be made if the process requires it HEAT POWER LOW AND HIGH LIMITS to gU The Heat Low Limit
132. termined by Circuit the input range Board Excitation Output Jumper This jumper is used to select the excitation range for the application If excitation is not being used it is not necessary to check or move this jumper zz 18V 50mA JUMPER 2V REF LOCATIONS i 1 05 mA REF Finger m Tab mu mL lE LL N T 10 ohm RTD 100 ohm RTD RTD INPUTS REAR TERMINALS INPUT RANGE JUMPERS ELA 250 mA ee THERMOCOUPLE INPUT RANGE JUMPERS 2 5 mA CGN LV 250mV 2V 1000 1KO Voltage Input 250 uA 1 M 10V 100V HV 25V 200V 10KQ Two jumpers are used in configuring the controller for voltage resistance S EB TEMPERATURE C The first jumper T V must be in the V voltage position The second jumper is VOLTAGE 4 used to select the proper voltage input range This jumper is also used to select CURRENT INPUTS VOLTAGE RESISTANCE the current input range Select a range that is high enough to accommodate the INPUTS maximum signal input to avoid overloads For proper operation the input range selected in programming must match the jumper setting REAR TE RMINALS 4 10 3 0 INSTALLING OPTION CARDS The option cards are separately purchased optional cards that perform specific functions These cards plug into the main circuit board of the controller The option cards have many
133. th a transmit value command for readback verification RECEIVING DATA FROM THE CONTROLLER Data is transmitted by the controller in response to either a transmit command T a print block command P or User Function print request The response from the controller is either a full field transmission or an abbreviated transmission The controller response mode is selected via the Abru parameter in the Serial Port Parameters Full Field Transmission Address Mnemonic Numeric data Byte Description 1 2 2 byte Node Address field 00 99 3 lt SP gt Space 4 6 3 byte Register Mnemonic field 7 18 2 byte data field 10 bytes for number one byte for sign one byte for decimal point 19 lt CR gt carriage return 20 lt LF gt line feed 21 lt SP gt Space 22 lt CR gt carriage return 23 lt LF gt line feed These characters only appear in the last line of a block print The first two characters transmitted are the node address unless the node address assigned 0 in which case spaces are substituted A space follows the node address field The next three characters are the register mnemonic The numeric data is transmitted next The numeric field is 12 characters long to accommodate the 10 digit totalizer with the decimal point position floating within the data field Negative values have a leading minus sign The data field is right justified with leading spaces The end of the response string is terminated with a carri
134. th another controller Configuration of the PX2CFCAO Process Input as a secondary process signal allows operation as a two process cascade controller within a single unit In either control mode parameters are provided to scale configure communicate and monitor the activity of each analog input A square root linearizer function can be used to linearize signals derived from flow transmitters REMOTE AND LOCAL SETPOINT OPERATION The controller Remote Setpoint Transfer mode can be switched between Local Setpoint operation and Remote Setpoint operation To enable PID control with Remote Setpoint operation an analog input FlexCard is required The Remote Setpoint hardware source is configured in the PID setpoint 5P programming menu The Line 2 function parameter FSPE Remote Setpoint transfer which is available in the PID setpoint 5P programming menu and can also be made available in the Display Parameter or Hidden loops allows the operator to select the desired setpoint operating mode Local Remote A user input or function key may also be used to perform the Remote setpoint transfer function independent of the Remote Setpoint Transfer r SP function parameter The front panel annunciator REM is illuminated when any PID loop is in Remote Setpoint operation and is off when all PID loops are in Local setpoint operation CAPABILITIES WITH ADDITIONAL ANALOG INPUT OPTION FLEXCARD REMOTE SETPOINT Any installed FlexCard process value ma
135. the reply As with t the time duration of t4 is dependent on the number of characters and baud rate of the channel t3 10 of characters baud rate At the end of t the controller is ready to receive the next command The maximum serial throughput of the controller is limited to the sum of the times tj t and t Timing Diagrams NO REPLY FROM CONTROLLER Command Meter String Response Transmission bu Ready Ready Command Terminator Received RESPONSE FROM CONTROLLER COMMUNICATION FORMAT Data is transferred from the controller through a serial communication channel In serial communications the voltage is switched between a high and low level at a predetermined rate baud rate using ASCII encoding The receiving device reads the voltage levels at the same intervals and then translates the switched levels back to a character The voltage level conventions depend on the interface standard The table lists the voltage levels for each standard LOGIC INTERFACE STATE RS23z RS485 mark idle TXD RXD 3 to 15 V a b 200 mV TXD RXD 3 to 15 V a b gt 200 mV space active Voltage levels at the Receiver Data is transmitted one byte at a time with a variable idle period between characters 0 to oo Each ASCII character is framed with a beginning start bit an optional parity bit and one or more ending stop bits The data format and baud rate must
136. tion of this controller requires a signal source UN capable of producing a signal greater than or equal to the range being calibrated with an accuracy of 0 01 or better Before starting verify that the Input Range is set for the range to be calibrated Verify that the precision signal source is connected to the correct input terminals and is ready Allow a 30 minute warm up period before calibrating Selecting i at any calibration step will cause the card to maintain the existing calibration parameters for that step Selecting YES and pressing the P key will cause the card to store new calibration settings for that step Pressing D at any time will exit programming mode but any calibration step that has been calibrated will maintain the new settings Voltage and Current Input Calibration Procedure 1 After entering CadE 48 select the desired hardware FEAQ and press the P key 2 Press the P key until the desired input signal type U or mA along with amp EF is displayed in the Line 2 units mnemonic 3 Apply the zero input limit of the range indicated on Line 1 of the controller 4 Press F to select MES 5 Press P Display will indicate on Line 2 as the controller reads and stores the new calibration parameter 6 Display will indicate Fil in the Line 2 units mnemonic 7 Apply the signal level indicated on Line 1 of the controller 8 Press Fi to select YES 9 Press P Display will indicate on Line 2 as the contr
137. to a digital output Alarm Alarm Alarm Band Deviation Hysteresis On Time Off Time Alarm Reset Standby Probe Assignment Action Value Value Value Delay Delay Logic Action Operation Burn out Action ALARM ASSIGNMENT ALARM VALUE NONE PU flr 1999 t0 9999 A x Selects the parameter to be used to trigger the Alarm nn Enter desired alarm value The decimal point position is determined LILI by the Decimal Resolution of the Alarm Assignment for PV s the F setting is in the Analog Input Parameter Programming Loop Alarm values can also be entered in the Display Parameter and Hidden Pu Input Process Value Display Loops when the alarm access is allowed Refer to Display Parameters Line 2 Parameters LOCS Leave at 0 for Band Deviation Alarm Actions that track actual setpoint Otherwise it will provide an offset to the alarm trigger point AONE No Alarm Assignment alarm disabled ALARM ACTION ng AbH Abt Ruki Rui BAND DEVIATION VALUE dEHI dELD bR d bdin bo EV 1999 69999 This parameter is only available with band and deviation alarm actions Enter desired alarm band or deviation value When the Alarm Action is programmed for Band this value can only be a Enter the action for the selected alarm See Alarm Figures for a d x visual detail of each action Deviation and Band Alarm Actions track Dn n the actual setpoint if applicable op n 7 No Alarm Action positive value RbHi Absolute high with balanced hysteres
138. to change color or alternate between two colors when the selected parameter is activated When multiple backlight assignments are programmed for a particular zone the color priority is defined as follows from Lowest to Highest Brn Orb rEd bn r rdir rdin BACKLIGHT ASSIGNMENT DESCRIPTIONS MOE Backlight color change disabled 5 P 5 Setpoint 2 Select Duk Output 1 Duk Output 2 Duk J Output 3 Duk H Output 4 Alr Alarm PAN Manual Control Mode 5 Pr P Setpoint Ramping in process FSPE Remote Setpoint Active LIE Integral Lock enabled EunE Auto Tune in process Endn Auto Tune Done EnFL Auto Tune Fail 27 The following two programming steps become available when the Backlight Assignment is configured as Alr Alarm These steps also follow each of the six different Advanced Operating Mode backlight color assignment parameters when assigned to Alr ALARM LOGIC ASSIGNMENT SEL Or The PAX2C supports three different modes when an output is assigned as Air Alarm And EREL 7 Any single alarm Selecting YES to any selection will change other alarm selections to Sid And Allows multiple alarms to be mapped to an output using AND Boolean logic For example If A and A 2 are active the output will energize Dr Allows multiple alarms to be mapped to an output using OR Boolean logic For example If A or R 2 are active the output will energize ALARM MASK ASSIGNMENT
139. ts of the controller are internally pulled down to 0 V with 20 KQ 5 resistance The input is active when a O N voltage greater than 2 2 VDC is applied x Ir m WwW WwW W 2 2 2 9 10 11 oR K 2 m V SUPPLY 30V max pes eo oS oco 4 5 DIGITAL OUTPUT SETPOINT WIRING 4 6 SERIAL COMMUNICATION WIRING 4 7 ANALOG OUTPUT WIRING 4 8 FLEXCARD INPUT OUTPUT WIRING D Line 1 Display Bar Graph and Units Color Zone 1 I Display Bar Graph Units Line 2 Display Bar Graph and Units Color Zone 2 Universal y pP qup SN UR Annunciators 1 4 RE RE RE ER Color Zones 3 6 Poa a Manual and Remote Mode Mnemonics Color Zone 7 DISPLAY LINE 1 Color Zone 1 Line 1 consists of a large 4 digit top line display eight segment bar graph and a three digit units mnemonic Values such as Input Max HI amp Min LO may be shown on Line 1 The eight segment bar graph may be mapped to values such as Output Power Deviation or Setpoints The three digit units mnemonic characters can be used to indicate engineering units for the Line 1 display value Line 1 is a tri colored display and may be configured to change color based on specified alarm logic configurations 13 See appropriate option card bulletin for wiring details O0 REVIEWING THE FRONT BUTTONS AND DISPLAY DISPLAY MODE OPERATION 2 re a ied ne ony ales NN Enter full progr
140. tual process response to the PID response figures with a step change to the process Make changes to the PID parameters in no more than 20 increments from the starting value and allow the process sufficient time to stabilize before evaluating the effects of the new parameter settings In some rare cases the Auto Tune function may not yield acceptable control results or induced oscillations may cause system problems In these applications Manual Tuning is an alternative PROCESS RESPONSE EXTREMES OVERSHOOT AND OSCILLATIONS SLOW RESPONSE INPUT INPUT i aN i SP ko SP TIME TIME TO DAMPEN RESPONSE TO QUICKEN RESPONSE INCREASE PROPORTIONAL BAND DECREASE PROPORTIONAL BAND INCREASE INTEGRAL TIME DECREASE INTEGRAL TIME USE SETPOINT RAMPING INCREASE OR DISABLE SETPOINT RAMPING USE OUTPUT POWER LIMITS EXTEND OUTPUT POWER LIMITS RE INVOKE AUTO TUNE WITH A RE INVOKE AUTO TUNE WITH A HIGHER AUTO TUNE CODE LOWER AUTO TUNE CODE INCREASE DERIVATIVE TIME DECREASE DERIVATIVE TIME MANUAL TUNING A chart recorder or data logging device is necessary to measure the time 6 Place the controller in Automatic Auto Control Mode If the process will not between process cycles This procedure is an alternative to the controller s Auto Tune function It will not provide acceptable results if system problems exist Set the Proportional Band Praf to approximately 10 0 of the input
141. ully opens the valve The PX2FCAO is programmed for Remote Setpoint with the setpoint configured to be provided by the output power OP of the PAX2C The PAX2C is used as the primary controller to monitor and control the vat temperature The PAX2C input is connected to a temperature sensor that senses the temperature of the vat The setpoint of the PAX2C is 285 C CASCADE CONTROLLER SECONDARY PROCESS PID 1 REMOTE SETPOINT PRIMARY PROCESS SETPOINT PRIMARY SECONDARY PID PID INPUT INPUT The following data configures the Input Ouput and Remote Setpoint of the FlexCard secondary controller Pra VPE OPE FEAD EYPE cOmA Foot fig PE 0 WIPE ft Input programming for secondary loop Configure for 4 20mA No square root linearization necessary No decimal point Use applied scaling and scale input to match 0 096 Output Power of primary loop 0 PSI Scale secondary loop input to match range of secondary process Use applied scaling and scale input range to match 100 096 Output Power of primary loop 200 PSI Scale Remote Setpoint to match main input range of secondary loop PID programming of the secondary loop PID Remote Setpoint programming Assign Remote SP to Output Power of primary loop controller Set Remote SP Ratio to scale 100 096 primary output power to 200 PSI 200 PSI 1000 OP No Remote SP Bias required di5P1 ca PAPE di5P 2 200 Pra Pid Pid FERD
142. use the controller to store new calibration settings for the range selected Pressing D at any time will exit programming mode but any range that has been calibrated will maintain the new settings Warning TC Input Calibration of this controller requires a signal source capable of producing a 60 mV signal with an accuracy of 0 01 or better TC Calibration Procedure 1 After entering fodE IB select Ec 2 Press the P key Display will indicate bimi with 2ER displayed in the Line 2 units mnemonic 3 Apply 0 mV to input 4 Press Fi to select YES 5 Press P Display will indicate on Line 2 as the controller reads and stores the new calibration parameter 6 Display will indicate lmi with Fil displayed in the Line 2 units mnemonic 7 Apply 60 mV to input 8 Press Fi to select YES 9 Press P Display will indicate on Line 2 as the controller reads and stores the new calibration parameter 10 TC Calibration complete Preparation for RTD Input Calibration RTD calibration is dependent on TC calibration parameters Therefore the TC calibration should be performed prior to attempting the RTD calibration Warning RTD Input Calibration of this controller requires a signal AN source capable of producing a 300 ohm resistance with an accuracy of 0 01 or better Before starting verify that the T V Jumper is in the T position Verify the RTD jumper is in the proper range Verify the precision signal source is connect
143. ut Status Output Manual Mode Register MMR o o 508 7 Analog Output Register AOR I Active Alarm 13 Value n T 1 1 Display Unit ReadlWite Read Write Read Write ReadOny CS Output Power Heat Cool writable only in manual mode 1 0 1 1 Display Unit 0 1 second Read D o aja N A Read Write Reade Read Write Read Write Read Wi A 2 7 0 1 second rite 1 0 1 second 0 Very Aggressive 1 Aggressive 2 Default 3 Conservative 4 Very Conservative 0 Off 1 Invoke Auto Tune 0 Off 4 Last Phase of Auto Tune 1 Successful Auto Tune since last power cycle ee N Status of Digital Outputs Bit State 0 Off 1 On Bit 3 Out1 Bit 2 Out2 Bit 1 Out3 Bit 0 Out4 Outputs can only be activated reset with this register when the respective bits in the Manual Mode Register MMR are set Bit State 0 Auto Mode 1 Manual Mode Bit 4 DO1 Bit 3 DO2 Bit 2 DOS Bit 1 DO4 Bit 0 Linear Output Bit State 1 Reset Alarm bit is returned to zero following reset processing Bit 15 A16 Bit 0 A1 Functional only if Linear Output is in Manual Mode MMR bit 0 1 Read Write Read z rite rite 8 z zRS He 1 9999 65535 1 2 N A N A N A N A N A 00 30 10 2 A 15 N Read Write Dian 2 0 oio aja 65535 EN Read Write Linear Output Card written to only if Linear Out MMR bit 0 is 4095
144. ut signal to a desired display value is performed in Input Parameters If the controller appears to be indicating incorrectly or inaccurately refer to Troubleshooting before attempting to calibrate the controller When recalibration is required generally every 2 years it should only be performed by qualified technicians using appropriate equipment Calibration does not change any user programmed parameters However it will affect the accuracy of the input signal and the values previously stored using the Apply APL 4 Scaling Style 51 Preparation for Current Volt and Ohm Input Calibration Warning Input Calibration of this controller requires a signal source capable of producing a signal greater than or equal to the range being calibrated with an accuracy of 0 01 or better Before starting verify that the Input Range T V and Excitation Jumper is set for the range to be calibrated Verify that the precision signal source is connected and ready Allow a 30 minute warm up period before calibrating the controller Selecting fi at any calibration step will cause the controller to maintain the existing calibration parameters for that step Selecting YES and pressing the P key will cause the controller to store new calibration settings for the range selected Pressing D at any time will exit programming mode but any range that has been calibrated will maintain the new settings Current Volt and Ohm Calibration Procedure After enter
145. vanced Operating Mode configuration in the controller that is not supported in Basic Operating Mode will be cleared DISPLAY UPDATE RATE SEC d op E g 5 g eg The following configuration step appears when switching from Advanced d5P Operating Mode to Basic Operating Mode g This parameter configures the process value display update rate It does not affect the response time of the analog input setpoint output or analog output option cards BASIC MODE CONFIRMATION r tt n MES d5P nn Confirms the Operating Mode selection fi Maintains Advanced operating mode YES Confirms transfer to basic operating mode Advanced operating mode parameters are cleared 23 6 3 2 DISPLAY PARAMETERS ZONE SELECT ZHE ZONE SELECT inf Lnag UAn 1 UAng UAnd UAnY Mn Select the zone to be programmed Advanced Operating Mode Only Urhb Ed Bn r rd r rdon Lax Lax Lax Lax Lax NONEM ADRE MmT ADRE AORE ae Line 1 Line x Line x Line x Line x Line x Line x Line x Line x Line x Line x Line x Line x Line x Line x Display Display Units Unit 1 Unit 2 Unit 3 Bar Graph Bar Graph Bar Graph Green Orange Red Backlight Green Orange Red Orange Red Green Assignment Color Mnemonic Mnemonic Mnemonic Mnemonic Assignment Low Scale High Scale Backlight Backlight Assignment Backlight Backlight Backlight Assignment Assignment Assignment Assignment Assignment Advanced Operating Mode Only Univ Annun x Univ Annun x
146. y be configured as a Remote Setpoint to the main or process input FlexCard s PID loop This mode of operation enables Cascade control Ratio control and Temperature Setpoint Slave control among others The Remote Setpoint value used internally by the controller is Remote Setpoint Scaled FlexCard Process Value FE io bi AS where FE ia 0 000 to 9 999 bi AS 999 to 9999 38 The FE o and bi A5 parameters offer scaling of the Remote Setpoint to adjust control ratios or biases among related processes In Remote Setpoint operation the front panel annunciator REM is illuminated When in Local Setpoint operation this annunciator is off The Remote Setpoint is restricted to the setpoint limit values 5PLO and SPH These parameters may be used to limit the range of the Remote Setpoint to a safe or more stable control range For Remote Setpoint signal sources that change wildly or are too sensitive to process disturbances the Setpoint Ramp Rate Parameter 5Prr can be used to ramp rate limit the Remote Setpoint reading This can reduce the fluctuations of the secondary control loop TEMPERATURE RATIO CONTROL Example For processing purposes it is necessary to control the temperature of a vat of adhesive at 1 5x the temperature of a vat of the adhesive s blending agent The temperature of the reacting agent is manually controlled and the setpoint of the adhesive must track that of the reacting agent To regulate the adhesive temperatu
147. y oscillating state ANALOG OUTPUT PID CONTROL In Linear PID Control applications the Analog Output Assignment ASB is set to Output Power UP The Analog Low Scale Value MLD is set to 0 0 and the Analog High Scale Value AH is set to 100 0 heating or 100 0 cooling The Analog Output will then be proportional to the PID calculated output power for Heat or Cooling per the PID Control Type For example with 0 VDC to 10 VDC scaled 0 to 10096 and 7596 power the analog output will be 7 5 VDC In Non Linear Control applications such as process or valve control the Analog Output Custom Scaling option will need to be configured to linearize the analog output signal with the PID Output Power This configuration will need to be completed prior to tuning or controlling the process See Section 6 2 1 Analog Output Parameters for more information AUTOMATIC CONTROL MODE In Automatic Control Mode the percentage of output power is automatically determined by PID or On Off calculations MANUAL CONTROL MODE In Manual Control Mode the controller operates as an open loop system does not use the setpoint or process feedback The user manually adjusts the percentage of output power UP Manual operation provides 0 to 100 power to the HERE output and 100 to 0 power to the 721 output The Low and High Output Power limits do not apply when the controller is in Manual CONTROL MODE TRANSFER When transferring the control mode between

User Manual PAX2C – 1/8 DIN Temperature

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User Manual PAX2C &ndash; 1/8 DIN Temperature

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User Manual PAX2C – 1/8 DIN Temperature