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Hach sc100™ Controller

1. 13 F Fuse Ball EE 39 Replacement sss 39 H hard wired electrical applications 14 l Installation nn oreet eee hg 9 Controller eto 11 Panel traia italia 10 Panel Mounting sees eee eee eee e eee eee 12 Pipe Mounting T 11 Wall Mounting uk u eee 11 K Key Tele E 27 IKeypad TT 27 L Language RI a DE 29 M Modbus RS232 uu uuu n sse 24 41 Modbus RS485 _ uu sss 41 O Output Connections sess 20 OUtpultss te ee DR Ri 19 P clap T 41 R ar a Eia 18 Connecting a ERE 18 19 Specifications 3 Replacement ceccecececececceeeeeeeeeeeeeeeeeneeeaeeeeeeeees 41 s Security SOUP derat euet eie iere outs 37 Mii CORE ERAI ID 31 Specifications 2 nibo rente odas 3 T Time SOWING eee 30 W Warranty 2 eti ce rete t etd vede 47 Wire preparation eeeeemH 15 Wiring Safl y s oe etc reete viet 13 61 Visit us at www hach com
2. Group Name Tag Name Register peta Length R W Description Type Unsigned Sets the Modbus mode Comm Net Card Mode 40170 Integer 1 R W 0 RTU 1 ASCII Unsiqned Sets the Modbus baud rate 0 9600 Comm Net Card Baud 40171 ee n 1 R W 12 19200 2 38400 3 57600 9 4 115200 Comm Net Card Stop Bits 40172 Dee 1 R W Sets the number of stop bits 1 2 Comm Net Card Data Order 40173 Unsigned 1 R W Sets the register data order for floats Integer 0 Normal 1 Reversed Min TEN Comm Net Card Response 40174 Unsigned 1 R W Sets the minimum response time Ti Integer 0 to 30 sec ime Max Unsigned Sets the maximum response time Comm Net Card Response 40175 9 1 R W P Integer 100 to 1000 sec Time SE sc100 40176 Unsigned 4 RW Sets the sc100 Modbus Address Card Addresses Integer E Sensor 1 40177 Unsigned 1 R W Sets the Sensor 1 Modbus Address Card Addresses Integer EE Sensor 2 40178 Unsigned 4 Ryw Sets the Sensor 2 Modbus Address Card Addresses Integer Comm Net Card Stats ER 40179 Unsigned 2 R W Number of good messages Messages Integer Comm Net Card Stats Bad 40181 Unsigned 2 R W Number of failed messages Messages Integer Good Comm Net Card Stats Mesg 40183 Float 2 R W of good messages Comm Service Port Mode 40185 Unsigned 1 p w Sets the Modbus mode 0 RTU Integer 1 ASCII Unsigned Sets the Modbus baud rate 0 9600 Comm Service Port Baud 40186 V or 1 R W
3. 324 VDC Hore 2400 NEU 2 D Gei 1 J1 Network connector 8 Sensor connector 2 J2 Header for optional network interface card 9 Sensor connector 3 J5 Relay A connector 10 J6 Analog output 4 20 mA connector 4 J6 Relay B connector 11 J5 Sensor connector for hard wiring 5 J7 Relay C connector 12 Position for network interface card 6 Fuses F1 F2 13 Service port 7 J8 Power connections 14 Sensor terminator selector service port configuration a AC Power connection AC powered sc100 model only b DC Power connection 24 VDC sc100 model only 16 Installation Figure 14 Local Disconnect for Power Cord NETWORK INTERFACE CARD 1 Power terminal 2 Power cord strain relief Figure 15 Local Disconnect for Hard wired Line Power NETWORK INTERFACE CARD 1 Power terminal 2 Conduit strain relief 17 Installation 3 4 A Alarms and Relays DANGER Explosion hazard Do not connect or disconnect electrical components or circuits to the equipment unless power has been switched off or the area is known to be non hazardous DANGER For Class 1 Division 2 Hazardous Location installations refer to the Control Drawing Figure 2 on page 8 for permanent
4. Q 25 4 mm 1 00 inch 25 4 mm 1 00 inch 10 B ma mm 0 25 inch 15 24 mm 0 60 inch Installation 3 1 2 Mounting the Controller Attach the controller to a rail or wall or mount it in a panel Supplied mounting hardware is shown in Figure 7 Figure 8 and Figure 9 Figure 7 Vertical or Horizontal Pipe Mounting the Controller 1 N US Ee PY N N N N N N N X NM x N M 1 Controller 4 Flat washer 4 inch I D 4 Cat No 8H1346 2 Pipe vertical or horizontal 5 Hexnut M6 4 Cat No 5867300 3 Bracket pipe mounting Cat No 1000C4F3217 101 6 Pan head screw M6 x 1 0 x 100 mm 4 Cat No 5867400 Figure 8 Wall Mounting the Controller 1 Controller 4 Pan head screw M6 x 1 0 x 20 mm 4 Cat No 5867400 2 Bracket Cat No 1000C4F3217 101 5 Customer supplied hardware for wall mounting 3 Lock washer inch I D Cat No 8H1336 11 Installation Figure 9 Panel Mounting the Controller 1 Controller 7 Lock washer inch 1 D 4 Cat No 8H1336 2 Gasket Neoprene panel mount 8 Hex nut 4 Cat No 5867300 Cat No 1000A4F3249 101 Panel maximum thickness is 9 5 mm 3 e inch 9 Flat washer 4 Cat No 8H1346 Mounting Foot 2 Cat No 1000B4F3222 10 Pan head screw M6 x
5. 3 5 1 2 Hard wiring a sc Sensor to the Controller 1 2 Open the controller cover Disconnect and remove the existing wires between the quick connect and terminal block J5 see Figure 19 Remove the quick connect fitting and wires and install the threaded plug on the opening to maintain the environmental rating Strip the insulation on the cable back 1 inch Strip 1 4 inch of each individual wire end Pass the cable through conduit and a conduit hub or a strain relief fitting and an available access hole in the controller enclosure Tighten the fitting Wire as shown in Table 5 Close and secure the cover 21 Installation Figure 19 Hard wiring the sensor Disconnect 47 Power EN From Probe Table 5 Wiring the Sensor at Terminal Block J5 Terminal Number Terminal Designation Wire Color 1 Data Blue 2 Data White 3 Service Request No Connection 4 12 V dc Brown 5 Circuit Common Black 6 Shield Shield grey wire in existing quick disconnect fitting 3 5 2 Connecting the sc Sensor to a Controller in a Hazardous Location DANGER For Class 1 Division 2 Hazardous Location installations refer to the Control Drawing Figure 2 on page 8 for sensor and optional equipment connection requirements DANGER Explosion hazard Do not connect or disconnect electrical components or circuits to the equipment unless power has been switched off or the area i
6. Operation 4 9 System Setup Menu continued RELAY SETUP Select Relay A B or C SELECT SOURCE Select from none a connected sensor or the real time clock RTC SET PARAMETER Press ENTER to select from the displayed parameters SET FUNCTION Source set to sensor Alarm Operates relays in response to the measured parameter Contains separate High and Low Alarm points deadbands and ON OFF delay Feeder Control Operates in response to the measured parameter Can be set for phasing setpoint deadband overfeed timer and ON OFF delay Event Control Controls a cleaning system or equivalent on a timed basis Warning Activated when the analyzer detects a sensor warning PMW Control Allows the relay to provide a duty cycled output Freq Control Allows the relay to cycle at a frequency between the minimum pulse per minute and maximum pulse per minute Source set to RTC Timer Sets the timer for a cleaning system or equivalent Controls the output hold interval duration and off delay SET TRANSFER Sets the relay to Energize or De energize user selectable Normally each control or alarm relay is active responding to the measured value of its assigned parameter During calibration however the relay can be transferred to a preset on off state to suit the application requirements Select Energize or De energize and press ENTER FAILSAFE Allows the u
7. Relays Three SPDT user configured contacts rated 100 230 VAC 5 Amp resistive maximum for the ac powered sc100 and 24 VDC 5A resistive maximum for the dc powered sc100 Controller Dimensions Ve DIN 144 x 144 x 150 mm 5 7 x 5 7 x 5 9 inches Controller Weight Certifications 1 6 kg 3 5 Ib CE approved with all sensor types Listed for use in general locations to UL and CSA safety standards by ETL with all sensor types Listed for use in Class I Division 2 hazardous locations to FM amp CSA safety standards by ETL with specified sensor types per Control Drawing 58600 78 Visit us at www hach com Section2 General Information 2 1 Safety Information Please read this entire manual before unpacking setting up or operating this equipment Pay attention to all danger and caution statements Failure to do so could result in serious injury to the operator or damage to the equipment To ensure that the protection provided by this equipment is not impaired do not use or install this equipment in any manner other than that specified in this manual 2 1 1 Use of Hazard Information DANGER Indicates a potentially or imminently hazardous situation which if not avoided could result in death or serious injury CAUTION Indicates a potentially hazardous situation that may result in minor or moderate injury Important Note Information the requires special emphasis Note Information that supplem
8. 19 3 5 Connecting Wiring the sc Sensor senten nennen tenetis sss trnte ihres inn ns snnt rra street 20 3 5 1 Connecting the sc Sensor in a Non hazardous Location sess enne 20 3 5 2 Connecting the sc Sensor to a Controller in a Hazardous Location 22 3 6 Wiring the Digital Gateway T 23 3 7 Connecting the Optional Digital Out 23 Section Malle EE 27 4 1 Using hee WE 27 4 2 Controller Display Features esse eee ee eee 28 Ao t Important TEE etie nb ER eene rt EE 28 SEET EE 29 4 3 1 Adjusting RETTEN 29 4 3 2 Specifying the Displayed Language nn 29 4 2 2 Software Text Abbreviations ss uu a i reddit 29 4 3 3 Setting the Time and Date seene 30 4 4 Setting up System Security EE 31 4 4 1 Setting the Passcode EE 31 4 4 2 Editing the Passcode Eed eee Lace die eei LER oie Ce 31 4 5 OUtput OPONE bg ete B ett erus 32 4 5 1 Navigating to the Output Options Mem 32 4 5 2 Hold Transfer el le 32 LEONE NO Ie C E 33 4 6 Relay Optl ns 5 tet ce una s Hee ie UM Ou a d iae D Ya 33 4 6 1 Navigating to the Relay Options Men 33 47 Data Event Bele le lias ele e TEE 33 4 8 Digital Network Options nsn nns sns 34 49 System Setup Menya u TTT 34 4 10 Test Malnt MOnU case y u TTT 38 Section 5 Maintenance 39 5 1 Cleaning the Controller 2e e een Pn add t ls ea rp nete eue uda 39 5 2 Fuse Replacement en EE aso ene nde weeds do 39 Table of Contents Section 6 Replacement Parts and Accessor
9. 1 19200 2 38400 3 57600 9 4 115200 Comm Service Port Stop Bits 40187 Re 1 R W Sets the number of stop bits 1 2 Comm Service Port Data Order 40188 Unsigned y R W Sets the register data order for floats Integer 0 Normal 1 Reversed Min an l Comm Service Port Response 40189 Unsigned 1 R W Sets the minimuniresp nse tim Integer 0 to 30 sec Time Nax Unsigned Sets the maximum response time Comm Service Port Response 40190 9 1 R W P Integer 100 to 1000 sec Time Comm eiee sc100 40191 SE na R W Sets the sc100 Modbus Address Port Addresses Integer Comme enice Sensor 1 40192 eler eg R W Sets the Sensor 1 Modbus Address Port Addresses Integer EE Sensor 2 40193 Unsigned 1 R W Sets the Sensor 2 Modbus Address Port Addresses Integer Comm Service Good Unsigned Port Stats Messages 40194 Integer 2 R W Number of good messages 58 Table 11 sc100 Modbus Registers continued Modbus Protocol Group Name Tag Name Register Data Length R W Description Type EE Bad 40196 Unsigned 2 R W Number of failed messages Port Stats Messages Integer Comm Service Good Port Stats Mesg 40198 Float 2 R W of good messages Comm Sensor Sensor1 Good 40200 Unsigned 2 R W Number of good messages Stats Messages Integer comm Sensor sensori ad 40202 Unsigned 2 R W Number of failed messages Stats Messages Integer EIER e Good 40204 Float 2
10. D Catalog Number 5860018 Hach sc100 Controller USER MANUAL March 2007 Edition 6 Hach Company 2003 2007 All rights reserved Printed in the U S A eac dp Visit http www hach com Table of Contents Section 1 Specifications decani AAA ne as 3 Section 2 General Information eene enne enne entren N aaa aasan etre inns nen renis 5 2 1 Safety lte E NEE 5 2 1 1 Use of Hazard Information 2 u Su awqan uisi ide dee dene raga Hea ENEE a de dol o dae D vus 5 Kee Ae EE 5 2 2 General Product Information a Re ee etae aS hua u rer ashaka a mh u a skua 5 Section 3 Installation tii bi soria eege 7 S Mechanical Installation EE 9 3 1 1 Controller Dimension Illustrations n narsa 9 3 1 2 Mounting the Gontroller u ar E en etr auqa HE ata eve od dei rr elei et isa Er aed 11 3 2 Wiring Safety Information esee rra enn sn nnne nn 13 3 2 1 Electrostatic Discharge ESD Considerations eene 13 3 9 Blectrical IristallatlQry titt ai RR Ru PA Ex see EAE RR de FER EE E N 13 eu WT GEHT Di Be Ile EE 14 3 3 2 Installation Using a Power Con 14 3 3 3 Wiring for Power at the Controller n nn 15 3 4 Alarms and helays u Avice avin u He tele IE ERE ne bp te Note Saas 18 3 41 Conrnecting the Relays cra A ala ea ee al SU ug ev cea que ee 18 3 4 2 Connecting the Analog Outputs n n
11. Setup Relay 2 Control Deadband 40108 Float 2 R W Sets the controller deadband Setup Relay 2 Control EES 40110 Unsigned 1 R W Sets the overfeed timer value mins Timer Integer Setup Relay 2 Control On Delay 40111 ques 1 R W Sets the on delay time sec Setup Relay 2 Control Off Delay 40112 gE 1 R W Sets the off delay time sec 55 Modbus Protocol Table 11 sc100 Modbus Registers continued Register Data Group Name Tag Name Type Length R W Description poe Unsigned Setup Relay 2 Control Overfeed 40113 De d 1 R W Resets the overfeed timer Timer 9 Setup Relay 2 Event Setpoint 40114 Float 2 R W Sets the event setpoint Setup Relay 2 Event Phase 40116 Unsigned 1 p w Sets the event phase 0 Low 1 Integer High Setup Relay 2 Event Deadband 40117 Float 2 R W Sets the event deadband Setup Relay 2 Event On Max Time 40119 pics 1 RW Sets the max on time mins Setup Relay 2 Event On Min Time 40120 Ee 1 RW Sets the min on time mins Setup Relay 2 Event Off Max Time 40121 poss 1 R W Sets the max off time mins Setup Relay 2 Event Off Min Time 40122 RE 1 R W Sets the min off time mins Unsigned Sets which Sensor outputs are affected Setup Relay 2 Timer Hold Type 40123 E S 1 R W during timer on time 0 None 9 2 Selected Sensor 13 All Sensors Selects which Sensor outputs are being Setup Relay 2 Timer Sensor 40124 Unsigned 1 R W held
12. 0 1 seconds PROP BAND Proportional control band INTEGRAL Integral control setting minutes 7 unction set to FREQ CONTROL SET MODE Auto or Manual PHASE Direct or Reverse SET SETPOINT Control Setpoint DEAD ZONE Zone around setpoint where output is off MIN WIDTH 0 001 200 pulses per minute MAX WIDTH 0 001 200 pulses per minute PROP BAND Proportional control band this is outside of the dead zone INTEGRAL Integral control setting minutes Operation 4 9 System Setup Menu continued NETWORK SETUP this menu appears only if a network card is installed in the controller SET MODE Auto or Manual MODBUS ADDRESS Highlight sc100 Analyzer or either connected sensor then press ENTER Choose a number between 1 and 247 as the address each source must have a different address then press ENTER BAUD RATE Select a baud rate of 9600 19200 38 4K 57 6K or 115 2K Default 19200 STOP BITS Select 1 or 2 stop bits Default 1 MODBUS MODE Select RTU or ASCI Default RTU DATA ORDER Select Normal or Swapped Default Swapped DISPLAY SETUP ADJUST CONTRAST Use the UP and DOWN keys to increase or decrease the contrast see section 4 3 1 on page 29 LANGUAGE The default is English Choose Spanish German or French to allow all menus to appear in the selected language SET DATE TIME Select the
13. 1 Integer High Setup Relay 1 Event Deadband 40077 Float 2 R W Sets the event deadband Setup Relay 1 Event On Max Time 40079 Se 1 R W Sets the max on time mins Setup Relay 1 Event On Min Time 40080 piod 1 RWW Sets the min on time mins Setup Relay 1 Event Off Max Time 40081 yos 1 RW Sets the max off time mins Setup Relay 1 Event Off Min Time 40082 puc 1 RW Sets the min off time mins 54 Modbus Protocol Table 11 sc100 Modbus Registers continued Group Name Tag Name Register Data Length R W Description Type E Sets which Sensor outputs are affected Setup Relay 1 Timer Hold Type 40083 az Se 1 R W during timer on time 0 None 9 2 Selected Sensor 13 All Sensors Selects which Sensor outputs are being Sensor Unsigned held transferred during the timers on Setup reu ATIS Select 40084 Integer W time this is used when Hold type is set for single Sensor Setup Relay 1 Timer Hold Mode 40085 Unsigned 1 R W Selects nola outputs SE Set transiel Integer value during timers on time Setup Relay 1 Timer Duration 40086 Unsigned 1 R W Sets the timer on duration time sec Time Integer Setup Relay 1 Timer Period Time 40087 Unsigned 1 R W Sets the period between timer on events Integer mins Unsigned Sets the time the affected Sensor Setup Relay 1 Timer Off Delay 40088 L S 1 R W outputs are held tra
14. 1 0 x 150 mm 4 Cat No 5867600 5 Mounting bracket controller Cat No 1000C4F3217 101 11 It may be necessary to remove the sensor connectors 6 Pan head screw 4 Cat No 5867400 see procedure below 12 To remove the sensor connectors before inserting the controller enclosure into the panel cut out 1 Disconnect the wires at terminal block J5 see Figure 19 on page 22 2 Loosen and remove the nut securing the sensor connector inside the enclosure Remove the sensor connector and wires Repeat step 1 and 2 for the other sensor connector 3 After the controller is in place in the panel reinstall the sensor connectors and reconnect the wiring to terminal J5 as shown in Figure 19 on page 22 Installation 3 2 A Wiring Safety Information When making any wiring connections to the sc100 Controller the following warnings and must be adhered to as well as any warnings and notes found throughout the individual installation sections For more safety information refer to Safety Information on page 5 DANGER Always disconnect power to the instrument when any making electrical connections 3 2 1 A Electrostatic Discharge ESD Considerations Important Note To minimize hazards and ESD risks maintenance procedures not requiring power to the analyzer should be performed with power removed Delicate internal electronic components can be damaged by static electricity resulting in degraded instrument performance
15. ON DELAY Sets a time 0 300 seconds to delay the relay from normally turning on LOW ALARM Sets the value where the relay will turn on in response to decreasing measured value For example if the low alarm is set for 1 0 and the measured value drops to 0 9 the relay will be activated 35 Operation 4 9 System Setup Menu continued 36 F unction set to FEEDER CONTROL PHASE High phase assigns the relay setpoint to respond to an increasing measured value conversely a Low phase assigns the relay setpoint to respond to a decreasing measured value SET SETPOINT Sets the value where the relay will turn on DEADBAND Sets the range where the relay remains on after the measured value decreases below the setpoint value high phase relay or increases above the setpoint value low phase relay OVERFEED TIMER Sets the time 0 999 9 minutes to limit how long the relay can remain on OFF DELAY Sets a time 0 999 seconds to delay the relay from normally turning off ON DELAY Sets a time 0 999 seconds to delay the relay from normally turning on 7 unction set to EVENT CONTROL SET SETPOINT Sets the value where the relay will turn on DEADBAND Sets the range where the relay remains on after the measured value decreases below the setpoint value high phase relay or increases above the setpoint value low phase relay OnMax TIMER Sets t
16. Output 2 4 5 1 Navigating to the Output Options Menu Step Select Menu Level Instructions Confirm 1 MAIN MENU 2 SYSTEM SETUP 3 OUTPUT SETUP 4 SELECT OUTPUT 5 Customize the options refer to System Setup on page 29 6 Main Menu or Main Measurement Screen when Output options are configured 4 5 2 Hold Transfer Outputs During normal measurement operation the analog outputs can be held at the last measured value or transferred to a preset value 4 5 2 1 Hold Transfer Outputs until Release Step Select Menu Level Instructions Confirm 1 MAIN MENU mE 2 TEST MAINT 3 HOLD OUTPUTS 4 SET OUTMODE 5 Select HOLD OUTPUTS or XFER OUTPUTS 6 SET CHANNELS 7 Select ALL or one of the connected sensors 8 ACTIVATION 9 Select LAUNCH 10 Main Menu or Main Measurement Screen ES 32 Operation During calibration analog outputs can remain active held or transferred to a preset mA value 4 5 3 Release Outputs Step Select Menu Level Confirm 1 MAIN MENU 2 TEST MAINT 3 HOLD OUTPUTS 4 ACTIVATION 5 RELEASE 6 Main Menu or Main Measurement Screen 4 6 Relay Options Refer to System Setup on page 29 for more information on the relay options menu 4 6 1 Navigating to the Relay Options Menu Step Select Menu Level Instructions Confirm 1 MAIN MENU 2 SYSTEM SETUP 3 RELAY SET
17. Type 40053 pince 1 R W 0 Alarm 1 Control 9 2 Status 3 Timer 4 Event Transfer Unsigned Selects the transfer value for the relays Setup Relay 1 Setting 40034 Integer 1 RWY 0 De energized 1 Energized Setup Relay 1 Alarm High Alarm 40055 Float R W Sets the high alarm setpoint Setup Relay 1 Alarm Low Alarm 40057 Float R W Sets the low alarm setpoint High I Setup Relay 1 Alarm Deadband 40059 Float 2 R W Sets the high alarm deadband Setup Relay 1 Alarm LO 40061 Float 2 RM Sets the low alarm deadband Deadband Setup Relay 1 Alarm On Delay 40063 press 1 R W Sets the on delay time Setup Relay 1 Alarm Off Delay 40064 Tee 1 R W Sets the off delay time Setup Relay 1 Control Setpoint 40065 Float 2 R W Sets the controller setpoint Unsigned Sets the controller phase Setup Relay 1 Control Phase 40067 Integer 1 R W 0 Low 1 High Setup Relay 1 Control Deadband 40068 Float 2 R W Sets the controller deadband Setup Relay 1 Control Overteed 40070 Unsigned 1 R W Sets the overfeed timer value mins Timer Integer Setup Relay 1 Control On Delay 40071 1 1 R W Sets the on delay time sec Setup Relay 1 Control Off Delay 40072 pice 1 R W Sets the off delay time sec esel Unsigned Setup Relay 1 Control Overfeed 40073 e e 1 R W Resets the overfeed timer Timer 9 Setup Relay 1 Event Setpoint 40074 Float 2 R W Sets the event setpoint Setup Relay 1 Event Phase 40076 Unsigned 1 p w Sets the event phase 0 Low
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19. are described in more detail below Address The address field is a single byte This byte ranges in value from 1 to 247 Function Codes The function code is a single byte Several function code values exist in Modbus The ones supported by the sc100 Digital Sensor System are described below Function Code Description Data Type Absolute Address Relative Address 03 Read Holding Registers Word 16 bits 40001 to 49999 0 to 9998 06 Write Holding Register Word 16 bits 40001 to 49999 0 to 9998 08 Loopback Test n a n a n a 17 Report Slave ID n a n a n a Only the relative address is specified in a message The relative address is automatically added to the absolute address for that function code If a read holding register message for example specifies relative address 0 the value in absolute address 40001 would be returned Data The data field consists of a series of bytes The number of bytes varies in length depending on the function code Typical query message data consists of the relative address to be read by the slave Typical response message data consists of actual data read by the slave Checksum The checksum is two bytes which are appended to every message These bytes ensure the data packet was transmitted with no errors The algorithm which is applied to RTU messages is a 16 bit Cyclic Redundancy Check CRC The algorithm whi
20. connection requirements for the alarm relays DANGER Exposure to some chemicals may degrade the sealing properties of materials used in the following devices Relays K1 K2 and K3 Periodic inspection of these devices is recommended to check for degradation The controller is equipped with three unpowered relays rated 100 230 VAC 50 60 Hz 5 amp resistive maximum See the sensor manual for relay setup details 3 4 1 Connecting the Relays 18 DANGER Relay loads must be resistive User must externally limit current to the relays to 5 Amps by use of a fuse or breaker DANGER Power and relay terminals are designed for only single wire termination Do not use more than one wire in each terminal The relay connector accepts 18 12 AWG wire as determined by load application Wire gauge less than 18 AWG is not recommended The Normally Open NO and Common COM relay contacts will be connected when an alarm or other condition is active The Normally Closed NC and Common relay contacts will be connected when an alarm or other condition is inactive or when power is removed from the controller AC Line 100 230 V Powered sc100 s AC line powered sc100 controllers contain three relays designed for connection to AC MAINS circuits Le voltages greater than 30V RMS 42 2V PEAK or 60 V dc Refer to Figure 16 for connection information The relay wiring compartment is not designed for voltage connections below these levels Relays mu
21. transferred during the timers on Select Integer time this is used when Hold type is set for single Sensor Setup Relay 2 Timer Hold Mode 40125 Unsigned 4 pyw Selects hold outputs vs set transfer Integer value during timers on time Setup Relay 2 Timer Duration 40126 Unsigned 1 R W Sets the timer on duration time sec Time Integer Setup Relay 2 Timer Period Time 40127 Unsigned 1 R W Sets the period between timer on events Integer mins Unsigned Sets the time the affected Sensor Setup Relay 2 Timer Off Delay 40128 Ea ee 1 R W outputs are held transferred after the 9 timer turns off sec Setup Relay 2 Status ters 40129 Unsigned y R W Sets the status level which will trigger Integer the relay Unsigned Selects data source for this relay Setup Relay 3 Source 40130 9 1 R W 0 None 1 Real Time Clock Integer 2 Sensor 4 Calculation Sensor Unsigned Selects Sensor source when Source Setup Relay 3 Select 10 91 Integer 1 ay Sensor 0 Sensor1 1 Sensor2 Measuremen Unsigned Selects measurement on the Sensor Setup Relay 3 t Select 40192 Integer 1 SO 0 Meas1 3 Meas4 n igned Selects the relay type 0 Alarm 1 Setup Relay 3 Type 40133 9 1 R W Control 2 Status 3 Timer 4 nteger Event Transfer Unsigned Selects the transfer value for the relays SEBES Setting 40134 Integer 1 RAW 0 De energized 1 Energized Setup Relay 3 Alarm High Alarm 40135 Float
22. wire into the terminal according to Table 2 or Table 3 Tug gently after each insertion to ensure the connection is secure 6 Seal any unused openings in the controller box with conduit opening sealing plugs 7T Reinstall the high voltage barrier and latch to secure Figure 12 Proper Wire Preparation and Insertion 1 Strip 1 4 inch of insulation 2 Seatinsulation against connector with no bare wire exposed 15 Installation Table 2 AC Power Wiring Information sc100 AC powered model only Terminal Number Terminal Description Wire Color Code for North America Wire Color Code for Europe 1 Hot L1 Black Brown 2 Neutral N White Blue 3 Protective Earth PE Green Green w yellow tracer Table 3 DC Power Wiring Information sc100 24 VDC powered model only Terminal Number Terminal Description Wire Color Code for North America Wire Color Code for Europe 1 24 V dc Red Red 24 V dc return Black Black Protective Earth PE Green Green w yellow tracer The DC power source that supplies power to the 24 VDC powered sc100 must maintain voltage regulation within the specified 24 VDC 15 20 voltage limits The DC power source must also provide adequate protection against surges and line transients Figure 13 sc100 Wiring Connections NETWORK INTERFACE CARD
23. 1 pH pH 24 00 00 7 00 7 00 7 00 mA 7 00 pH 7 00 pH z z pH pH SENSOR NAME 2 TEMP TEMP OUTPUT1 12 00 mA TEMP 22 9 C TEMP 22 9 C 12 00 mA 22 9C 22 9C e Press UP and DOWN to toggle the status bar at the bottom of the measurement display to display the secondary measurement temperature and output information SENSOR NAME SENSOR NAME SENSOR NAME S 7 00 7 00 17 00 TEMP 23 0 C OUTPUT1 12 00 mA OUTPUT2 12 00 mV e When in Menu mode an arrow may appear on the right side of the display to indicate that more menus are available Press UP or DOWN corresponding to the arrow direction to display additional menus ENTE ESA Ea SYSTEM SETUP SYSTEM SETUP gt SENSOR DIAG P OUTPUT SETUP P DISPLAY SETUP PSECURITY SETUP T gt SENSOR SETUP P RELAY SETUP P SECURITY SETUP LOG SETUP SYSTEM SETUP NETWORK SETUP LOG SETUP gt CALCULATION P TEST MAINT P DISPLAY SETUP gt CALCULATION ICE 28 4 2 2 Software Text Abbreviations Operation Abbreviation Meaning Abbreviation Meaning Adj Adjust P F Pass Fail Cal Calibration Pass Password Cont Continue Preped Prepared Dflt Default SN Serial Number Diag Diagnostic Std Standard Freq Frequency Temp Temperature Int Internal Vers Version Meas Measurement Xfer Transfer 4 3 System Setup 4 3 1
24. 18 6 2 Accessories Description Quantity Catalog Number Digital output card for Modbus RS232 communication each 59200 00 Digital output card for Modbus RS485 communication each 59200 01 Locknut each 1059612 Plug conduit opening each 58687 00 Power cord with strain relief 115 V each 54488 00 Power cord with strain relief 230 V each 54489 00 Sealing Washer each 1033814 Strain relief Heyco each 4379400 Sun Shield each 58690 00 41 Visit us at www hach com Section 7 Product Safety Immunity Emissions Compliance Information Hach Co certifies this instrument was tested thoroughly inspected and found to meet its published specifications when it was shipped from the factory The Model sc100 has been tested and is certified as indicated to the following instrumentation standards FM 3600 3611 Class I Division 2 ETL Listing LD 65454 UL 61010A 1 ETL Listing 65454 CSA C22 2 No 1010 1 amp No 213 M1987 Class l Division 2 ETLc Certification 1 D 65454 Certified by Hach Co to EN 61010 1 Amds 1 amp 2 IEC1010 1 per 73 23 EEC supporting test records by Intertek Testing Services This equipment was tested for Industrial level EMC per EN 61326 EMC Requirements for Electrical Equipment for Measurement Control and Laboratory Use per 89 336 EEC EMC Supporting test records by Hach Company certified compliance by Hach Company Standards include IEC 1000 4 2 1995 EN 61000 4 2 1995 E
25. 2 R W Sets the high alarm setpoint Setup Relay 3 Alarm Low Alarm 40137 Float 2 R W Sets the low alarm setpoint High Setup Relay 3 Alarm Deadband 40139 Float 2 R W Sets the high alarm deadband 56 Modbus Protocol Table 11 sc100 Modbus Registers continued Group Name Tag Name Register Data Length R W Description Type Setup Relay 3 Alarm LW 40141 Float 2 RM Sets the low alarm deadband Deadband Setup Relay 3 Alarm On Delay 40143 ds 1 R W Sets the on delay time Setup Relay 3 Alarm Off Delay 40144 l 1 R W Sets the off delay time Setup Relay 3 Control Setpoint 40145 Float 2 R W Sets the controller setpoint Unsigned Sets the controller phase Setup Relay 3 Control Phase 40147 Integer 1 R W 0 Low 1 High Setup Relay 3 Control Deadband 40148 Float 2 R W Sets the controller deadband Setup Relay 3 Control Overteed 40150 Unsigned 1 R W Sets the overfeed timer value mins Timer Integer Setup Relay 3 Control On Delay 40151 Ee 1 R W Sets the on delay time sec Setup Relay 3 Control Off Delay 40152 ocn 1 R W Sets the off delay time sec SE Unsigned Setup Relay 3 Control Overfeed 40153 K er 1 R W Resets the overfeed timer Timer 9 Setup Relay 3 Event Setpoint 40154 Float 2 R W Sets the event setpoint Setup Relay 3 Event Phase 40156 Unsigned p w Sets the event phase 0 Low 1 Integer
26. 3 38034 L DIl dNOYD Z INOZ 1 V1 Q2 A Y SANOIS Z AISSVIO NOILVOOI aaidissv19 SNOGYVZVH NVOISN3WY HLYON Installation 3 1 Mechanical Installation Install in an environment that is protected from corrosive fluids 3 1 1 Controller Dimension Illustrations Figure 3 Controller Dimensions m 144 0 mm 5 67 E 150 0 mm 5 91 inches 144 0 mm 5 67 inches Figure 4 Controller Mounting Dimensions 144 02 mm 5 67 inches 72 01 mm 2 84 inches 72 01 mm 2 84 inches 1 58 inches 80 27 mm 3 16 inches 144 02 mm 5 67 inches M6 x 1 0 40 14 mm 1 58 inches 80 27 mm 3 16 inches Installation Figure 5 Panel Mount Cut out Dimensions 144 mm 5 67 inches ref only 75 mm 2 955 inches _ ref only Q i 144 mm 135 mm 5 67 inches 5 31 inches ref only 72 mm 2 835 inches 67 4 mm ref only 2 65 inches i 66 67 mm 2 625 inches Wa 133 mm 5 25 inches Figure 6 Conduit Hole Dimensions 144 mm 5 67 inches 75 07 mm 2 955 inches R 68 96 mm 2 715 inches 28 57 mm 1 125 inches a 28 57 mm 1 125 inches A OO r ine 5 91 inches 99 31 mm ref only 3 91 inches i 127 mm 50 8 mm 5 00 inches 2 00 inches Y Y Y
27. Address Function Data Checksum 1 byte 1 byte Variable number of bytes 2 bytes A 2 Query Message A query message is generated by the master to request data from a slave It contains a function code that specifies the type and amount of data requested A read digital input register function code 02 for example instructs the slave to read digital inputs and return the value in a response message The following message instructs slave 1 to read two bits starting at offset 0 Address Data Function Checksum Start Register Number of Points 01 02 00 00 00 02 F9 CB Note that the above values are hexadecimal bytes not ASCII characters A 3 Response Message A response message is generated by the slave in response to a query message from the master The response to read digital input register function code 02 for example returns the value of the requested digital inputs The original slave address and function code is also returned to validate the response The following response is generated from the previous query if discrete input 1 is OFF 0 and discrete input 2 is ON 1 Address Data Function Checksum Byte Count Digital Input Bits 01 02 01 02 20 49 Again note that the above values are hexadecimal bytes not ASCII characters 49 Modbus Protocol A 4 Modbus Message Detail The various fields within a Modbus message
28. Adjusting Display Contrast Step Select Menu Level Instructions Confirm 1 MAIN MENU 2 SYSTEM SETUP 3 DISPLAY SETUP 4 ADJUST CONTRAST 5 0 50 6 Main Menu or Main Measurement Screen 4 3 2 Specifying the Displayed Language Step Select Menu Level Instructions Confirm 1 MAIN MENU 2 SYSTEM SETUP 3 DISPLAY SETUP 4 LANGUAGE 5 Select the language from displayed options 6 Main Menu or Main Measurement Screen 29 Operation 4 3 3 Setting the Time and Date 4 3 3 1 Setting the Time 24 hr format Step Select Menu Level Instructions Confirm 1 MAIN MENU md 2 SYSTEM SETUP 3 DISPLAY SETUP 4 SET DATE TIME 5 Highlight TIME Select the character to edit 6 Scroll to appropriate number 7 Main Menu or Main Measurement Screen 4 3 3 2 Setting the Date Format and Date Step Select Menu Level Instructions Confirm 1 MAIN MENU mE 2 SYSTEM SETUP 3 DISPLAY SETUP 4 SET DATE TIME 5 Highlight DATE FORMAT 6 Choose the appropriate date format from the displayed options 7 Highlight DATE Select the character to edit 8 Scroll to the appropriate number 9 Main Menu or Main Measurement Screen 30 Operation 4 4 Setting up System Security The passcode feature of the sc100 restricts unauthorized access to configuration and calibration settings The passcode is factory setto sc100 the five digits must be followed
29. High Setup Relay 3 Event Deadband 40157 Float 2 R W Sets the event deadband Setup Relay 3 Event On Max Time 40159 RE 1 R W Sets the max on time mins Setup Relay 3 Event On Min Time 40160 Ren 1 RAW Sets the min on time mins Setup Relay 3 Event Off Max Time 40161 pocas 1 R W Sets the max off time mins Setup Relay 3 Event Off Min Time 40162 gode 1 RW Sets the min off time mins EE Sets which Sensor outputs are affected Setup Relay 3 Timer Hold Type 40163 Vers Br 1 R W during timer on time 0 None 9 2 Selected Sensor 13 All Sensors Selects which Sensor outputs are being Sensor Unsigned held transferred during the timers on Setup Relay 3 Timer Select 19193 Integer 1 SE time this is used when Hold type is set for single Sensor Setup Relay 3 Timer Hold Mode 40165 Unsigned 1 R W S Hon outputs SC settransier Integer value during timers on time Setup Relay 3 Timer SE 40166 Unsigned 1 R W Sets the timer on duration time sec ime Integer Setup Relay 3 Timer Period Time 40167 Unsigned 1 R W Sets the period between timer on events Integer mins Unsigned Sets the time the affected Sensor Setup Relay 3 Timer Off Delay 40168 Ve Se 1 R W outputs are held transferred after the 9 timer turns off sec Setup Relay 3 Status Feet 40169 Unsigned 1 R W Sets the status level which will trigger Integer the relay 57 Modbus Protocol Table 11 sc100 Modbus Registers continued
30. Press ENTER to select from the displayed parameters Highlight the appropriate displayed parameter and press ENTER SET FUNCTION Select LINEAR CONTROL for current output to track the measurement valve Select PID CONTROL for the sc100 to operate as a DID controller SET TRANSFER Each analog output is normally active responding to the measured value of its assigned parameter However during calibration each output can be transferred to this preset transfer value SET FILTER Average measurements over time 0 999 seconds Default is 0 seconds The higher the value the longer the sensor signal response time will be to a change in the actual process value SCALE 0 mA 4 mA Select 0 mA or 4 mA for minimum current outputs will be set to 0 20 mA or 4 20 mA 34 ACTIVATE Dependent on Function selected previously See section 4 5 1 on page 32 for additional information FUNCTION set to LINEAR CONTROL If LINEAR CONTROL was selected in SET FUNCTION set the low and the high values for the current output here FUNCTION set to PID CONTROL SET MODE AUTO or MANUAL PHASE DIRECT or REVERSE controller operation SET SETPOINT enter the setpoint the PID control will control the process to PROP BAND control the proportional band for the PID control INTEGRAL control the integral action time period in minutes DERIVATIVE control the settings for the rate control B mm EMM NM
31. R W of good messages Stats Mesg Comm Sensor Sensor2 Good 40206 Unsigned 2 R W Number of good messages Stats Messages Integer Comm SensorSensor2 Bad 40208 Unsigned 2 R W Number of failed messages Stats Messages Integer O Comm Sensor Sensor2 Good 40210 Float 2 R W of good messages Stats Mesg Calibration LE 40212 Unsigned 1 R W Calibration counts for the 4mA output 1 count Integer d Output1 Unsigned db A Calibration 20mA count 40213 Integer 1 R W Calibration counts for the 20mA output 1 Calibration Qutput2 4mA 40214 Unsigned 1 R W Calibration counts for the 4mA output 2 count Integer Calibration G 40215 Unsigned R W Calibration counts for the 20mA output 2 20mA count Integer 59 Visit us at www hach com A Nemme ee EEN dd y a NEEN 18 Analog Outputs a 19 C Cleaning Controller ies aiit ee et m Ee 39 Compliance Information 43 Components Customer Supplied 7 Configuring e RE 20 Controller Enclosure Description sseesssssss 5 D Date Setting cima tue iu digi 30 Digital Output e rtt ierat 23 DISDA Q ERES 28 eroi 29 E Electrical Installation 13 CONGU enses ari a 14 Connecting Wiring the Sensor Cable 20 Power Gord eege dass 14 Electrostatic Discharge
32. UP 4 SELECT RELAY 5 Customize the options refer to System Setup on page 29 6 Main Menu or Main Measurement Screen when Relay options are configured 4 7 Data Event Logging Options The sc100 provides three data logs one for each sensor and one for calculated values and three event logs one for each sensor and one for the controller The data logs store the measurement data at selected intervals The event log stores a variety of events that occur on the devices such as configuration changes alarms and warning conditions The data logs are stored in a packed binary format and the event logs are stored in a CSV format The logs can be downloaded through the digital network port the IrDA port or through the service port using the service cable LZX887 33 Operation 4 8 Digital Network Options The sc100 provides two digital communication methods with the controller the digital network port and the IrDA port Either of the digital ports can be used to access setup data measurement data or data event logs For the features available for each individual digital network port refer to the instruction sheet supplied with the selected network card 4 9 System Setup Menu OUTPUT SETUP see section 4 5 1 on page 32 for expanded menu information SELECT OUTPUT 1 OR 2 SELECT SOURCE Press ENTER to access a list of all connected sensors and select the sensor that will drive the output SET PARAMETER
33. alue 2 Linear Setup Analog Output Max Setting 40038 Float 2 R W Sets the max output value 2 Linear Setup Analog Output Mode 40040 Unsigned 1 R W Sets the PID mode 0 auto 1 2 PID Integer manual Setup Analog Output Sets the PID manual output value 2 PID Manual Set 40041 Float 2 R W 0 0 to 100 0 S Analog Output Setpoint 40043 Float 2 RW Sets the PID setpoint Setup Analog Output Unsigned Sets the PID phase 2 PID eg RE Integer 1 pu 0 Direct 1 Reverse Setup Analog Output Proportional i 9 PID Band 40046 Float 2 R W Sets the PID proportional band Setup Analog Output integral Time 40048 Unsigned 1 pw Sets the PID integral time min 2 PID Integer Setup Analog Output Derivative 40049 Unsigned 1 R W Sets the PID derivative time min 2 PID Time Integer 53 Modbus Protocol Table 11 sc100 Modbus Registers continued Group Name Tag Name Register d Length R W Description Type Unsigned Selects data source for this relay Setup Relay 1 Source 40050 9 1 R W 0 None 1 Real Time Clock Integer 2 Sensor 4 Calculation Sens r Unsigned Selects Sensor source when Setup Relay 1 Select 40051 gs er 1 R W Source Sensor 9 0 Sensor1 1 Sensor2 Measuremen Unsigned Selects measurement on the Sensor Setup Relay 1 t Select 40052 Integer BAR 0 Meas1 3 Meas4 Selects the relay type Setup Relay 1
34. ble from the sc100 Digital Sensor system Each floating point number is a 32 bit IEEE 754 value occupying two 16 bit registers back to back this has one sign bit eight exponent bits and 23 mantissa bits and is stored in Motorola big endian order A 5 1 Big endian and Little endian Big endian and little endian are terms that describe the order in which a sequence of bytes are stored in the computer memory Big endian is an order in which the big end most significant value is stored first lowest storage address Little endian is an order in which the little end least significant value in the sequence is stored first For example in a big endian computer the two bytes required for the hexadecimal number 4F52 would be stored as 4F52 in storage if 4F is stored at storage address 1000 for example 52 will be at address 1001 In a little endian system it would be stored as 524F 52 at address 1000 4F at 1001 The sc100 Digital Sensor registers are big endian byte order within a register and little endian word order for multi registers Floats A 5 2 Changing the endian Order The default endian order is little endian word order for multi registers Floats SWAPPED order The order can be changed in the NETWORK SETUP menu to NORMAL order big endian word order for multi registers Floats 51 Modbus Protocol A 6 Modbus Troubleshooting Table 10 Troubleshooting Problem Possible Causes Solution N
35. by a space to remove the trailing asterisk The following two options are available Disabled All configuration settings and calibrations can be changed This is the default Enabled Certain calibration and Test Maint settings operations cannot be accessed without the passcode If the passcode is enabled it may be edited section 4 4 2 The passcode can include up to six digits alpha and or numeric and available characters If the instrument is reset using the Configure Default Setup menu selection the passcode will return to the factory default If a passcode is forgotten obtain the Master passcode from the Technical Consulting Services Department see Section 9 on page 46 4 4 1 Setting the Passcode Step Select Menu Level Instructions Confirm 1 MAIN MENU 2 SYSTEM SETUP 3 SECURITY SETUP 4 SET PASSCODE 5 Highlight ENABLE 6 Main Menu or Main Measurement Screen 4 4 2 Editing the Passcode Step Select Menu Level Instructions Confirm 1 MAIN MENU 2 SYSTEM SETUP 3 Highlight SECURITY SETUP 4 ENTER PASSCODE 5 EDIT PASSCODE EDIT PASSCODE select character shown in brackets 6 EDIT PASSCODE move to the next character 7 Main Menu or Main Measurement Screen 31 Operation 4 5 Output Options Refer to the System Setup on page 29 for more information on the output options menu The analyzer provides two isolated analog outputs Output 1 and
36. ce Department personnel are eager to answer questions about our products and their use Specialists in analytical methods they are happy to put their talents to work for you Call 1 800 227 4224 or e mail techhelp hach com 45 Section 9 Repair Service Authorization must be obtained from Hach Company before sending any items for repair Please contact the Hach Service Center serving your location In the United States Hach Company Ames Service 100 Dayton Avenue Ames lowa 50010 800 227 4224 U S A only FAX 515 232 3835 In Canada Hach Sales amp Service Canada Ltd 1313 Border Street Unit 34 Winnipeg Manitoba R3H 0X4 800 665 7635 Canada only Telephone 204 632 5598 FAX 204 694 5134 E mail canada hach com In Latin America the Caribbean the Far East Indian Subcontinent Africa Europe or the Middle East Hach Company World Headquarters P O Box 389 Loveland Colorado 80539 0389 U S A Telephone 970 669 3050 FAX 970 669 2932 E mail intl hach com 46 Section 10 Limited Warranty Hach Company warrants its products to the original purchaser against any defects that are due to faulty material or workmanship for a period of one year from date of shipment unless otherwise noted in the product manual In the event that a defect is discovered during the warranty period Hach Company agrees that at its option it will repair or replace the defective product or refund the purchase p
37. ch is applied to ASCII messages is an 8 bit Longitudinal Redundancy Check LRC ASCII RTU Data Format Modbus supports both ASCII and RTU data formats RTU uses binary non printable characters and is used for normal operation ASCII uses 7 bit printable characters and is typically only used for debugging purposes The following tables show the same message in RTU and ASCII formats Table 8 RTU Message Data Address Function Start Register Number of Points Checksum 01 02 00 00 00 02 F9 CB Table 9 ASCII Message Colon Data Address Function Start Register Number of Points Checksum CRLF 3A 30 31 30 32 30 30 30 30 30 30 30 32 46 42 0D 0A 50 Modbus Protocol Exception Codes An illegal request will generate a Modbus Exception Code The most common code is caused by reading data from an unused register An exception response message consists of the slave address the function code with the high order bit set the exception code and a CRC In the following response message the slave reported exception code 02 indicating an illegal data address Address Function Data Checksum 01 81 02 C191 More Information More information about the Modbus Protocol can be found on the Modbus IDA website at www modbus ida org A 5 Floating Point Measurements Floating point measurements are availa
38. claimer of implied warranties and if this is true in your state the above limitation may not apply to you This warranty gives you specific rights and you may also have other rights that vary from state to state This warranty constitutes the final complete and exclusive statement of warranty terms and no person is authorized to make any other warranties or representations on behalf of Hach Company Limitation of Remedies The remedies of repair replacement or refund of purchase price as stated above are the exclusive remedies for the breach of this warranty On the basis of strict liability or under any other legal theory in no event shall Hach Company be liable for any incidental or consequential damages of any kind for breach of warranty or negligence 47 Visit us at www hach com Appendix A A 1 Introduction Modbus Protocol Modbus was developed as a PLC communication protocol by Modicon in the late 1970s Because Modbus is a well defined and published standard Modbus has become one of the best known protocols for interfacing digital equipment to PLCs Modbus uses a master slave data exchange technique The master typically a PLC generates queries to individual slaves The slaves in turn reply back with a response to the master A Modbus message contains the information required to send a query or request including the slave address function code data and a checksum The format of a Modbus message is shown below
39. d off or the area is known to be non hazardous DANGER Do not connect AC power to a sc100 24 VDC powered model The sc100 can be purchased as either an 100 230 VAC powered model or a 24 VDC powered model Follow the appropriate wiring instructions per the purchased model Important Note A protective earth PE ground connection is required by the sc100 for both 100 230 VAC and 24 VDC wiring applications Failure to connect a good PE ground connection can result in shock hazards and poor performance due to electromagnetic interferences ALWAYS connect a good PE ground to the sc100 terminal The controller can be wired for line power by hard wiring in conduit or wiring to a power cord Regardless of the wire used the connections are made at the same terminals A local disconnect designed to meet local electrical code is required and must be identified for all types of installation See Figure 14 and Figure 15 on page 17 for suggested local disconnect configurations 1 Obtain appropriate fittings with NEMA 4X IP66 environmental rating 2 Loosen the screws using a phillips head screwdriver and open the hinged controller cover 3 Remove the high voltage barrier see Figure 10 on page 14 4 Insert the wires through the strain relief fitting or conduit hub located in the right rear access hole in the bottom of the enclosure Tighten the strain relief if used to secure the cord 5 Properly prepare each wire Figure 12 and insert each
40. date format and to set the date and time 24 hour military format see section 4 3 3 on page 30 SECURITY SETUP Enter a 6 digit passcode SET PASSCODE DIISABLE Disables system security See section 4 4 on page 31 ENABLE Enables system security See section 4 4 on page 31 LOG SETUP DATALOG SETUP Setup datalogging of displayed sensor measurements CALCULATION SET VARIABLE X Select the sensor corresponding to the variable set as X SET VARIABLE Y Select the sensor corresponding to the variable set as Y SET PARAMETER Select the parameter to be associated with the variable SET FORMULA Select the formula of the calculation to be performed on X and Y 37 Operation 4 9 System Setup Menu continued ERROR HOLD MODE HOLD OUTPUTS Holds outputs when unable to communicate with the sensor XFER OUTPUTS Goes to transfer state when unable to communicate with the sensor 4 10 Test Maint Menu STATUS Indicates the status of each relay and indicates which sensors are connected to the controller OUTPUT CAL SELECT OUTPUT 1 OR 2 Calibrate Analog Output by specifying values to correspond to 4 mA and 20 mA using the UP and DOWN arrow keys HOLD OUTPUTS SET OUTMODE Choose Hold Outputs or Xfer Outputs SET CHANNELS Cho
41. emission or susceptibility levels higher than allowed Maximum loop resistance is 500 ohm Refer to the sensor manual for output software setup Make wiring connections at the analyzer end as shown in Table 4 and Figure 17 19 Installation Table 4 Output Connections at Terminal Block J6 Recorder Wires Circuit Board Position Output 2 Output 2 Shield Output 1 Qn l OO N Output 1 Figure 17 Analog Output Connections 3 5 Connecting Wiring the sc Sensor DANGER For Class 1 Division 2 Hazardous Location installations refer to the Control Drawing Figure 2 on page 8 for sensor and optional equipment connection requirements 3 5 1 Connecting the sc Sensor in a Non hazardous Location 3 5 1 1 Attaching a sc Sensor with a Quick connect Fitting The sensor cable is supplied with a keyed quick connect fitting for easy attachment to the controller see Figure 18 Retain the connector cap to seal the connector opening in case the sensor must be removed Optional extension cables may be purchased to extend the sensor cable length If the total cable length exceeds 100 m 300 ft a termination box must be installed When used with the termination box the maximum cable length is 1000 m 3000 ft See the Replacement Parts section in the sensor manual for part number information 20 Installation Figure 18 Attaching the Sensor using the Quick connect Fitting
42. ents points in the main text 2 1 2 Precautionary Labels Read all labels and tags attached to the instrument Personal injury or damage to the instrument could occur if not observed This symbol if noted on the instrument references the instruction manual for operation and or safety information This symbol when noted on a product enclosure or barrier indicates that a risk of electrical shock and or electrocution exists This symbol if noted on the product indicates the need for protective eye wear This symbol when noted on the product identifies the location of the connection for Protective Earth ground 100 P gt This symbol when noted on the product identifies the location of a fuse or current limiting device 2 2 General Product Information The controller enclosure is NEMAAX IP66 rated and has a corrosion resistant finish designed to withstand corrosive environmental constituents such as salt spray and hydrogen sulfide The controller display shows the current reading plus a secondary measurement such as temperature if connected to a single sensor or two readings with their corresponding secondary measurement readings when two sensors are connected Installation instructions for the controller are presented in this manual If a system with a sensor and a controller has been purchased complete information for installation and operation is also presented in the sensor system manual Visit u
43. he time 0 999 minutes to limit the time the relay can remain on OffMax TIMER Sets a time 0 999 minutes to delay the relay from normally turning off OnMin TIMER Sets the time 0 999 minutes to limit the time the relay can remain on OffMin TIMER Sets the time 0 999 minutes to limit the time the relay can remain off 7 unction set to TIMER RTC selected in SELECT SOURCE HOLD OUTPUTS Set OUTMODE to select output hold operation and select channels that cause the outputs to be held INTERVAL Set the off time for the relay DURATION Set the on time for the relay OFF DELAY Set the time for additional hold output time after the relay has been turned off T unction set to WARNING CONTROL WARNING LEVEL Set the warning level that will trigger a relay Range 0 32 For example If warnings 1 9 are active on the instrument set the warning level to 0 to allow all warnings to trigger the relay set the warning level to 5 to allow warnings 6 and above to trigger the relay Set the warning level to 9 or greater to not trigger the relay on any warning 7 unction set to PMW CONTROL SET MODE Auto or Manual PHASE Direct or Reverse SET SETPOINT Control Setpoint DEAD ZONE Zone around setpoint where output is off PERIOD 3 60 second PMW period MIN WIDTH Minimum pulse width in 0 1 seconds MAX WIDTH Maximum pulse width in
44. his Class A digital apparatus meets all requirements of the Canadian Interference causing Equipment Regulations Cet appareil num rique de la classe A respecte toutes les exigences du R glement sur le matEriel brouilleur du Canada FCC PART 15 Class A Limits 44 Supporting test records by Hewlett Packard Fort Collins Colorado Hardware Test Center A2LA 0905 01 and certified compliance by Hach Company This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required
45. ies eee eee eee 41 6 Batz ETWAS el wl ene en el ei dnl a i 41 OZ eel TTT EE EE Sha ma aus yaka us cassius Yapu 41 Section 7 Compliance Information r 43 Section B How to Order uu u ie e peer enr Ae aa E e Pe pe o IA LARA E AR AER TRE NH PETER d cade 45 Section 9 Repair Service iii A id A Aa id diia Ni a 46 Section 10 Limited Warranty A eee eee 47 Section 1 Specifications Specifications are subject to change without notice Component Description Controller Operating Temperature Microprocessor controlled measuring unit with measured value display temperature display and menu driven system 20 to 60 C 4 to 140 F 95 relative humidity non condensing with sensor network card load 7 W 20 to 40 C 4 to 104 F with sensor network card load 25 W Controller Storage Temperature 20 to 70 C 4 to 158 F 95 relative humidity non condensing Enclosure NEMA 4X IP66 metal enclosure with a corrosion resistant finish Power Requirements AC Powered sc100 model 100 230 VAC 10 50 60 Hz Power 15 W with 7 W sensor network card load 37 W with 25 W sensor network card load 24 VDCpowered sc100 model 24 VDC 15 20 Power 16W with 7W sensor network card load 34 W with 25 W sensor network card load Pollution Degree Installation Category Outputs Two Analog 4 20 mA outputs maximum impedance 500 ohm Optional digital network connection IrDA digital connection
46. l output value 1 PID Set SZ poal 2 RAW 0 0 to 100 0 E Analog Output Bip setpoint 40021 Float 2 RW Sets the PID setpoint Setup Analog Output PID Phase 40023 Unsigned 1 R W Sets the PID phase 0 Direct 1 PID Integer 1 Reverse Setup Analog Output PD 1 PG 9 p Proportional 40024 Float 2 R W Sets the PID proportional band Band Setup Analog Output PID Integral 40026 Unsigned 1 R W Sets the PID integral time min 1 PID Time Integer Setup Analog Output PID Unsigned p g utp Derivative 40027 9 1 R W Sets the PID derivative time min 1 PID e Integer Time Unsigned Selects data source for this output Setup Analog Output 2 Source 40028 Integer 1 R W 0 None 2 Sensor 4 Calculation Sensor Unsigned Selects sensor source when Source Setup Analog Output 2 Select EEN Integer 1 RY Sensor 0 Sensor1 1 Sensor2 Measuremen Unsigned Selects measurement on the Sensor Setup Analog Output 2 t Select 20090 Integer 1 Bu 0 Meas1 3 Meas4 Unsigned Selects output type 0 Linear output Setup Analog Output 2 Type 40031 Integer 1 R W 1 PID control Setup Analog Output 2 a 40032 Float 2 R W Sets the transfer value Unsigned Sets the output filter value in seconds Setup Analog Output 2 Filter 40034 Integer 1 R W 0 to 120 sec OmA 4mA Unsigned Selects 0mA 4mA for min output Setup Analog Output 2 Select 40035 Integer 1 R W 0 OMA 1 4mA Setup Analog Output Min Setting 40036 Float 2 R W Sets the min output v
47. lectrostatic Discharge Immunity Criteria B IEC 1000 4 3 1995 EN 61000 4 3 1996 Radiated RF Electromagnetic Field Immunity Criteria A IEC 1000 4 4 1995 EN 61000 4 4 1995 Electrical Fast Transients Burst Criteria B IEC 1000 4 5 1995 EN 61000 4 5 1995 Surge Criteria B IEC 1000 4 6 1996 EN 61000 4 6 1996 Conducted Disturbances Induced by RF Fields Criteria A IEC 1000 4 11 1994 EN 61000 4 11 1994 Voltage Dip Short Interruptions Criteria B Additional Immunity Standard s include ENV 50204 1996 Radiated Electromagnetic Field from Digital Telephones Criteria A This equipment was tested for Radio Frequency Emissions as follows Per 89 336 EEC EMC EN 61326 1998 Electrical Equipment for measurement control and laboratory use EMC requirements Class A emission limits Supporting test records by Hewlett Packard Fort Collins Colorado Hardware Test Center A2LA 0905 01 and certified compliance by Hach Company Standards include EN 61000 3 2 Harmonic Disturbances Caused by Electrical Equipment EN 61000 3 3 Voltage Fluctuation Flicker Disturbances Caused by Electrical Equipment Additional Emissions Standard s include EN 55011 CISPR 11 Class A emission limits 43 Compliance Information Canadian Interference causing Equipment Regulation IECS 003 Class A Supporting test records by Hewlett Packard Fort Collins Colorado Hardware Test Center A2LA 0905 01 and certified compliance by Hach Company T
48. ment connection requirements The digital gateway is designed to provide a digital interface to the sc100 controller or other appropriate digital controller The non sensor end is connected to the controller as described in section 3 5 1 on page 20 for non hazardous locations and section 3 5 2 on page 22 for hazardous locations 3 7 Connecting the Optional Digital Output DANGER Explosion hazard Do not connect or disconnect electrical components or circuits to the equipment unless power has been switched off or the area is known to be non hazardous DANGER For Class 1 Division 2 Hazardous Location installations refer to the Control Drawing Figure 2 on page 8 for permanent connection requirements for the Digital Outputs Installation of communication protocols other than those specified in the Control Drawing are not allowed for Class 1 Division 2 Hazardous Locations 23 Installation At this time the manufacturer supports Modbus RS485 Modbus RS232 and Profibus DP communication protocols The optional digital output card is installed in the location indicated in Figure 22 on page 25 Terminal block J1 provides user connection to the optional network card The terminal connection is based on the selected network card Refer to the instructions supplied with the network card for more details Note The sc100 1720E system also supports the AquaTrend Network Surge Protection Recommendation for Profibus DP Many industrial envir
49. n indication that an equipment problem could exist Problem resolution and fuse replacement should be performed only by qualified service personnel Refer to Figure 25 and the following steps to replace the fuses 1 Disconnect power to the controller including power to relays and other components if powered 2 Open the hinged controller cover by completely loosening all four captive screws in the cover 3 Remove the high voltage barrier pull out on the lever of the captive fastener then pull straight out on the barrier Set the barrier aside for reinstallation 4 Remove the fuses and install new fuses of the same type and rating aC Powered sc100 T 1 6 A 250 V slow blow 24V dc powered sc100 T 3 A 250V slow blow 5 Reinstall the high voltage barrier 6 Close the controller cover and hand tighten the four screws 7 Reconnect power to the instrument 39 Maintenance Figure 25 Fuse Replacement NETWORK INTERFACE CARD 1 Fuses F1 and F2 AC powered T 1 6A 250V slow blow DC powered T 3A 250V slow blow 40 Section6 Replacement Parts and Accessories 6 1 Replacement Items Description Quantity Catalog Number Controller Installation Kit each 58672 00 Fuse T 3A 250V slow blow each 41060 Fuse T 1 6 A 250 V slow blow each 52083 00 Instruction manual English each 58600
50. nsferred after the 9 timer turns off sec Setup Relay 1 Status Level 40089 Unsigned 1 R W Sets the status level which will trigger Integer the relay ES Selects data source for this relay Setup Relay 2 Source 40090 9 1 R W 0 None 1 Real Time Clock Integer 2 Sensor 4 Calculation Sensor Unsigned Selects Sensor source when Source Setup Relay 2 Select 40091 Integer 1 uW Sensor 0 Sensor1 1 Sensor2 Measuremen Unsigned Selects measurement on the Sensor Setup Relay 2 t Select 49092 Integer i T 0 Meas1 3 Meas4 U siq ed Selects the relay type 0 Alarm 1 Setup Relay 2 Type 40093 9 1 R W Control 2 Status 3 Timer 4 Integer Event Transfer Unsigned Selects the transfer value for the relays Setup Relay 2 Setting 49094 Integer i BAN 0 De energized 1 Energized Setup Relay 2 Alarm High Alarm 40095 Float 2 R W Sets the high alarm setpoint Setup Relay 2 Alarm Low Alarm 40097 Float 2 R W Sets the low alarm setpoint High Setup Relay 2 Alarm Deadband 40099 Float 2 R W Sets the high alarm deadband Setup Relay 2 Alarm LW 40101 Float 2 RM Sets the low alarm deadband Deadband Setup Relay 2 Alarm On Delay 40103 DE 1 R W Sets the on delay time Setup Relay 2 Alarm Off Delay 40104 reir 1 R W Sets the off delay time Setup Relay 2 Control Setpoint 40105 Float 2 R W Sets the controller setpoint Unsigned Sets the controller phase Setup Relay 2 Control Phase 40107 Integer 1 R W 0 Low 1 High
51. o Modus Response Baud rate or stop bits does not match settings of Modbus master Verify sc100 settings match the Modbus master settings Verify Modbus master Parity setting is set to None Bad RS232 or RS485 cable Replace Repair cable No or improper network biasing and termination Check all network devices for termination or biasing settings Only the ends of the network should have termination turned on and only one point on the network should be providing biasing Slave Address incorrect or duplicate address of another bus device Verify all addresses are unique and between 1 and 247 Modbus Exception Register not supported Verify register is supported Verify the requested register s Data Type matches the Modbus Master Request e g do not access a Slave Response Data Type incorrect Float value with a 2 byte Integer request When requesting a Float 2 registers 4 bytes both registers must be requested at the same time Table 11 sc100 Modbus Registers Group Name Tag Name Register Data Length R W Description Type Measurements Calculated 40001 Float 2 R Value calculated from two sensor Value measurements Setup Language 40003 E 1 R W Current System Language Un lanad Current Data Display Format Setup Date Format 40004 s f 1 R W 0 DD MM YY 1 MM DD YY 9 2 DD MM YY 3 MM DD YY Error Mode Hold State 0 Hold Error Hold Unsigned o
52. ommon Common 6 No connection No connection No connection No connection No connection 7 Shield Shield Shield Shield Shield 1 The AquaTrend Network only applies to sc100 1720E systems Figure 21 RS232 Connection to Customer supplied Computer 9 pin D Subminiature Connector Common 5 T Not used 4 8 Rx 3 7 Tx2 6 Not used 1 24 Installation Figure 22 Network Card Position in the Controller 13 ANALOG OUTPUTS PROBES TWORK ITERFACE CARD DANGER EXPLOSII Sad NOT DISCONNECT WHILE CIRCUIT IS SEA IS KNOWN TO BE NON Ss RISQUE D EXPLOSION NE PAS OR s TENSION JIL NE S AGISSE D ei pre X EMI H Li LA 1 J2 Network card header 4 Mounting hole 3 2 J2Pin 1 5 Network card placement 3 J1 Terminal 25 Visit us at www hach com Section 4 Operation 4 1 Using the Keypad The front of the controller is shown in Figure 23 The keypad consists of the eight keys described in Table 7 Figure 23 Front of the Controller sc100 1 Instrument display 5 IrDA Port 2 BACK key 6 HOME key 3 MENU key 7 ENTER key 4 RIGHT LEFT UP and DOWN keys Table 7 Controller Key Functions Features Number Key Function 2 Moves back one level in the menu structure 3 Moves to the main menu from other menus This key is not active in menus
53. onments are vulnerable to power transients and lightning Water and wastewater plants are frequent targets of lightning Lightning generated fields and power surges can cause instrument failures at these facilities Surge protectors limit the magnitude of over voltage transients and protect equipment from damage To be effective on Data lines at a minimum a surge protector should provide two stages of protection with sub nanosecond response time Data line surge protection should be installed on a Profibus DP network where it might be susceptible to lightning or transients The purpose of the surge protector is to protect the equipment that it is located next to not the network cable For the best performance protection connect the surge protector as close as possible to the device to be protected and connect the device instrument ground connection through the surge protector s ground to the local protective earth ground Contact your local Profibus network component supplier for their recommendation as to which surge protectors may be best for your system Table 6 Digital Output Terminal Assignments Terminal Rquanena Modbus RS485 Modbus RS485 Modbus RS232 Profibus DP Number Network 2 wire 4 wire 1 Network A D RD Rx A1 out 2 Network B D RD No connection B1 out 3 Network A No connection TD Tx A2 in 4 Network B No connection TD No connection B2 in 5 No connection Common Common C
54. or eventual failure The manufacturer recommends taking the following steps to prevent ESD damage to your instrument Before touching any instrument electronic components such as printed circuit cards and the components on them discharge static electricity from your body This can be accomplished by touching an earth grounded metal surface such as the chassis of an instrument or a metal conduit or pipe To reduce static build up avoid excessive movement Transport static sensitive components in anti static containers or packaging To discharge static electricity from your body and keep it discharged wear a wrist strap connected by a wire to earth ground Handle all static sensitive components in a static safe area If possible use anti static floor pads and work bench pads 3 3 A A Electrical Installation DANGER This equipment is suitable for use in non hazardous locations or Class 1 Division 2 Groups A B C D Hazardous Locations with specified sensors and options when installed per the Hazardous Location Installation Control Drawing on page 8 Always refer to the Control Drawing and applicable electrical code regulations for proper installation instructions High voltage wiring for the controller is conducted behind the high voltage barrier in the controller enclosure The barrier must remain in place unless a qualified installation technician is installing wiring for power alarms or relays See Figure 10 for bar
55. ose any individual attached sensor or all attached sensors to be held or transferred ACTIVATION Select Launch or Release OVERFEED RESET Reset the overfeed time out TEST OUTPUT SELECT OUTPUT 1 OR 2 Set the analog output to a desired current level Range 0 20 TEST RELAY SELECT RELAY A B OR C Energize or de energize the selected relay ESET CONFIG Reset to default configuration SIMULATION SELECT SOURCE SET PARAMETER SET SIM VALUE Simulate sensor measurement value for testing the outputs and relays SCAN SENSORS Manually scans for sensors to determine if sensors have been added or removed MODBUS STATS Indicates the communication statistics for use with an external network CODE VERSION Indicates the controller software version 38 Section5 Maintenance DANGER Only qualified personnel should conduct the tasks described in this section of the manual DANGER Explosion hazard Do not connect or disconnect equipment unless power has been switched off or the area is known to be non hazardous DANGER Explosion hazard Substitution of components may impair suitability for Class 1 Division 2 5 1 Cleaning the Controller With the enclosure securely closed wipe the exterior with a damp cloth 5 2 A A Fuse Replacement The instrument contains two mains fuses Failed fuses are a
56. rice excluding original shipping and handling charges Any product repaired or replaced under this warranty will be warranted only for the remainder of the original product warranty period This warranty does not apply to consumable products such as chemical reagents or consumable components of a product such as but not limited to lamps and tubing Contact Hach Company or your distributor to initiate warranty support Products may not be returned without authorization from Hach Company Limitations This warranty does not cover Damage caused by acts of God natural disaster labor unrest acts of war declared or undeclared terrorism civil strife or acts of any governmental jurisdiction Damage caused by misuse neglect accident or improper application or installation Damage caused by any repair or attempted repair not authorized by Hach Company Any product not used in accordance with the instructions furnished by Hach Company Freight charges to return merchandise to Hach Company Freight charges on expedited or express shipment of warranted parts or product Travel fees associated with on site warranty repair This warranty contains the sole express warranty made by Hach Company in connection with its products All implied warranties including without limitation the warranties of merchantability and fitness for a particular purpose are expressly disclaimed Some states within the United States do not allow the dis
57. rier removal information 13 Installation Figure 10 Removing Voltage Barrier 1 High voltage barrier 2 Unsnap the barrier latch then pull out to remove the barrier 3 3 1 Installation in Conduit In hard wired electrical applications the power and safety ground service drops for the instrument must be 18 to 12 AWG See Figure 11 on page 14 for strain relief and conduit opening sealing plug information See section 3 3 3 on page 15 for wiring information 3 3 2 Installation Using a Power Cord DANGER Use of a power cord is not acceptable in Class 1 Division 2 Hazardous Location Installation see Hazardous Location Installation Control Drawing on page 8 A sealing type strain relief to maintain the NEMA 4X IP66 environmental rating and a power cord less than 3 meters 10 feet in length with three 18 gauge conductors including a safety ground wire can be used see Replacement Parts and Accessories on page 41 See Figure 11 on page 14 for strain relief and conduit opening sealing plug assembly See section 3 3 3 on page 15 for wiring information Figure 11 Using the Optional Strain Relief and Conduit Plug SN D MAMMA 1 Power cord strain relief 2 Conduit strain relief 3 Conduit opening sealing plug 14 Installation 3 3 3 A Wiring for Power at the Controller DANGER Explosion hazard Do not connect or disconnect electrical components or circuits to the equipment unless power has been switche
58. s at www hach com Section3 Installation DANGER Only qualified personnel should conduct the installation tasks described in this section of the manual This equipment is suitable for use in non hazardous locations or Class 1 Division 2 Groups A B C D Hazardous Locations with specified sensors and options when installed per the Hazardous Location Installation Control Drawing on page 8 Always refer to the Control Drawing and applicable electrical code regulations for proper installation instructions DANGER Explosion hazard Substitution of components may impair suitability for Class 1 Division 2 Do not replace any component unless power has been switched off and the area is known to be non hazardous Figure 1 Components of a Basic System LP d Cie o bes est 8 e e A 10 Controller 6 Lock washer inch LD 4 Cat No 8H1336 Mounting foot for panel mounting 2 Cat No 1000B4F3222 7 Flat washer 1 4 inch I D 4 Cat No 8H1346 Bracket for panel amp pipe mounting 8 Pan head screws 4 M6 x 1 0 x 20 mm Cat No 1000C4F3217 101 Cat No 5867400 4 Gasket for panel mounting Neoprene 9 Pan head screws 4 M6 x 1 0 x 100 mm Cat No 1000A4F3249 101 Cat No 5867500 5 Hexnut M6 4 Cat No 5867300 10 Pan head screws 4 M6 x 1 0 x 150 mm Cat No 5867600 Table 1 Customer supplied Items Item 14 AWG wire for elec
59. s known to be non hazardous 3 5 2 1 Attaching a sc Sensor with a Quick connect Fltting in a Hazardous Location The sensor cable is supplied with a keyed quick connect fitting for easy attachment to the controller see Figure 18 For hazardous locations a connector safety lock must be installed Retain the connector cap to seal the connector opening in case the sensor must 22 Installation be removed Optional extension cables may be purchased to extend the sensor cable length up to a maximum length of 1000 m 3000 ft 1 Remove the connector cap from sc100 controller Retain the connector cap to seal the connector opening in case the sensor must be removed 2 Connect the sensor connector to the plug on the sc100 3 Install a connector safety lock Figure 20 Align the lock over the connector and squeeze the two halves together to lock To remove the connector safety lock by inserting a small flat bladed screwdriver into the locking groove Pivot the screwdriver away from the groove and separate the two halves Figure 20 Figure 20 Installing the Connector Safety Lock LG 38 1 mm m 1 50 inches 38 1 mm 1 50 inches 3 6 Wiring the Digital Gateway DANGER For Class 1 Division 2 Hazardous Location installations refer to the Control Drawing Figure 2 on page 8 for sensor and optional equip
60. ser to create a state where the normal condition is energized The relay is de energized when an error condition is experienced Select YES Energized or NO De energized and press ENTER YES sets the relay normal condition to energized resulting in the relay becoming de energized when an error condition is experienced ACTIVATION Function set to ALARM LOW ALARM Sets the value where the relay will turn on in response to decreasing measured value For example if the low alarm is set for 1 0 and the measured value drops to 0 9 the relay will be activated HIGH ALARM Sets the value where the relay will turn on in response to increasing measured value For example if the high alarm is set for 1 0 and the measured value increases to 1 1 the relay will be activated LOW DEADBAND Sets the range where the relay remains on after the measured value increases above the low alarm value Default is 5 of the range For example if the low alarm is set for 1 0 and the low deadband is set for 0 5 then the relay remains on between 1 0 and 1 5 HIGH DEADBAND Sets the range where the relay remains on after the measured value decreases below the high alarm value Default is 596 of the range For example if the high alarm is set for 4 0 and the high deadband is set for 0 5 then the relay remains on between 3 5 and 4 0 OFF DELAY Sets a time 0 300 seconds to delay the relay from normally turning off
61. st not be powered from the same wiring used to power the controller 24 VDC Powered sc100 The 24 VDC sc100 controller contains three relays designed for connection to LOW voltage circuits i e voltages less than 30V RMS 42 2V PEAK or 60 V dc Refer to Figure 16 for connection information The wiring compartment is not designed for voltage connections above these levels Relay must not be powered from the same wiring used to power the controller Installation Figure 16 Alarm and Relay Connections NC COM NO RELAY A RELAY B RELAY C Disconnect Power y 3 4 2 A Connecting the Analog Outputs DANGER Explosion hazard Do not connect or disconnect electrical components or circuits to the equipment unless power has been switched off or the area is known to be non hazardous DANGER For Class 1 Division 2 Hazardous Location installations refer to the Control Drawing Figure 2 on page 8 for permanent connection requirements for the analog output Two isolated analog outputs 1 and 2 are provided see Figure 17 Each output can be set to 0 20 or 4 20 mA and can be assigned to represent the measured parameter or secondary measurement such as temperature Make connections with twisted pair shielded wire and connect the shield at the controlled component end or at the control loop end Do not connect the shield at both ends of the cable Use of non shielded cable may result in radio frequency
62. to correct the interference at his own expense The following techniques of reducing the interference problems are applied easily 1 Disconnect the Model sc100 Controller from its power source to verify that it is or is not the source of the interference 2 Ifthe Model sc100 Controller is connected into the same outlet as the device with which it is interfering try another outlet 3 Move the Model sc100 Controller away from the device receiving the interference 4 Reposition the receiving antenna for the device receiving the interference 5 Try combinations of the above Section8 How to Order U S A Customers By Telephone 6 30 a m to 5 00 p m MST Monday through Friday 800 227 HACH 800 227 4224 By Fax 970 669 2932 By Mail Hach Company P O Box 389 Loveland Colorado 80539 0389 U S A Ordering information by e mail orders hach com Information Required s Hach account number if available e Billing address Your name and phone number e Shipping address e Purchase order number e Catalog number e Brief description or model number e Quantity International Customers Hach maintains a worldwide network of dealers and distributors To locate the representative nearest you send an e mail to intl hach com or contact Hach Company World Headquarters Loveland Colorado U S A Telephone 970 669 3050 Fax 970 669 2932 Technical and Customer Service U S A only Hach Technical and Customer Servi
63. trical power connections in conduit or 115 or 230 V ac power cord plus a NEMA 4X rated strain relief High quality shielded instrumentation cable for connecting the analog outputs plus a NEMA 4X rated strain relief Mounting hardware for the sensor available from the manufacturer order separately See the sensor manual Sun shield for mounting configurations where the sun strikes the front of the display Common hand tools J Hazardous Location Installation Control Drawing Installation Figure 2 L 4 8200989 Ps a ON pol 15 00125 NOIIV2O1 ZYH ONIMV3O TOXLNOD 508 OD UNVIZAO1 IM JA v ANVdWOO HOVH eg aw DIST S SNIMY3O SIHL A SNIONVYHO OL 3Ol3d SO 3 AON3OV ANOLVTnO3N a OOO gt 13040938 LYH 9 3 Taoa CI YW oZy aaindwoo 53 IVNINA31 OM 13N gt xv dwv EXA dWv s OGACZy YO 2VAOE 2H 09 08 ADEZ 001 ALVA sI2VINO2 uo Gili SIDVINO2 AVI 00195 WOE ANE 00195 WO34 SQVO1AV133 savO1 Ae eg G3HOIIMS OL dn G3HOIIMS OL dn a DGAvZ IndNI ZH 09 05 AOEZ O01 INANI o HOLIMS
64. utputs Setup Mode 40009 Integer 1 dud 1 Transfer outputs to predefined value Unsigned Selects data source for this output Setup Analog Output 1 Source 40006 Integer 1 R W 0 None 2 sensor 4 Calculation Sensor Unsigned Selects sensor source when Source Selup Analog Output Select 40007 Integer i RA Sensor 0 sensor1 1 sensor2 Measuremen Unsigned Selects measurement on the sensor Selup Analog Output 1 t Select 40008 Integer RAN 0 Meas1 3 Meas4 Setup Analog Output 1 Type 40009 Unsigned 4 pyw Selects output type P 9 p yp Integer 0 Linear output 1 PID control Setup Analog Output 1 nds 40010 Float 2 R W Sets the transfer value Unsigned Sets the output filter value in seconds Setup Analog Output 1 Filter 40012 Integer 1 R W 0 to 120 sec OmA 4mA Unsigned Selects 0mA 4mA for min output Setup Analog Output 1 Select 40013 Integer 1 R W 0 OMA 1 4mA Setup Analog Output Min Setting 40014 Float 2 R W Sets the min output value 1 Linear oe Output Max Setting 40016 Float 2 R W Sets the max output value 52 Modbus Protocol Table 11 sc100 Modbus Registers continued Group Name Tag Name Register Data Length R W Description Type Setup Analog Output PID Mode 40018 Unsigned 1 R W Sets the PID mode 0 auto 1 1 PID Integer manual Setup Analog Output PID Manual Sets the PID manua
65. where a selection or other input must be made 4 Navigates through the menus changes settings and increments and decrements digits 6 Moves to the Main Measurement screen from any other screen This key is not active in menus where a selection or other input must be made 7 Accepts an input value updates or accepts displayed menu options 27 Operation 4 2 Controller Display Features When a sensor is connected and the controller is in measurement mode the controller automatically identifies the connected sensors and displays associated measurements The display will flash on startup when a sensor error has occurred when the hold outputs function has been activated and when a sensor is being calibrated An active system warning will cause the warning icon a triangle with an exclamation point inside to be displayed on the right side of the display See Figure 24 Figure 24 Display Example 1 Status bar Indicates the sensor name and status of relays The relay 4 Parameter letter is displayed when the relay is energized 3 Secondary measurement if applicable 6 Measurement units 4 2 1 Important Key Presses Press HOME then RIGHT or LEFT to display two readings when two sensors are connected Continue to press RIGHT or LEFT to toggle through the available display options RTC MM DD YY SENSOR NAME 1 SENSOR NAME 2 MAINMEASURE SS M SENSOR NAME 1 SENSOR NAME 2 SENSOR NAME

Hach sc100™ Controller

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Hach sc100™ Controller