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1. p c S P U Chassis 1 P S Chassis 2 Chassis 2 CORRECT INSTALLATION NCORRECT INSTALLATION Chassis 2 Chassis 2 INCORRECT INSTALLATION INCORRECT INSTALLATION Defining Sinking and Sourcing Chapter 7 Wiring Your I O Modules This chapter describes how to wire your I O modules It covers the following e defining sinking and sourcing e preparing your wiring layout e features of an I O module e recommendations for wiring I O devices e wiring your I O modules e octal label kit installation e using removable terminal blocks Sinking and sourcing are terms used to describe a current signal flow relationship between field input and output devices in a control system and their power supply e Field devices connected to the positive side V of the field power supply are sourcing field devices e Field devices connected to the negative side DC Common of the field power supply are called sinking field devices To maintain electrical compatibility between field devices and the programmable controller system this definition is extended to the input output circuits on the discrete I O modules e Sourcing I O circuits supply source current to sinking field devices e Sinking I O circuits receive sink current from sourcing field devices Europe DC sinking input and sourcing output module circuits are the commonly used options Publication 1747 6 2 Ch
2. BATTERY LOW Inadequate System P ower The Following Probable Cause No Line Power Recommended Action 1 Verify proper line voltage and connections on the power terminals 2 Verify proper 120 240V power supply jumper selection See page 6 8 1 Check the incoming power fuse check for proper Power Supply incoming power connections Replace fuse Fuse Blown 2 If fuse blows again replace the power supply See page 9 8 on fuse replacement 1 Remove line power to power supply Remove several output modules from the chassis Wait five minutes Reapply power 2 If condition reoccurs re calculate module Power Supply configuration power required and verify proper power Overloaded supply selection See page 2 11 This problem can occur intermittently if power supply is slightly overloaded when output loading and temperature varies Defective P ower Supply 1 Recheck other probable causes 2 Monitor the line power to chassis power supply for possible transient or shorting 3 Replace the power supply If the LEDs indicate gt Error Exists RUN MM CPU FAULT FORCED I O BATTERY LOW Inadequate System Power The Following Probable Cause Improper Line Power Voltage Selection Recommended Action Verify proper 120 240V power supply jumper selection See page 6 8 Refer to the following key to determine
3. Fault The Following Probable Cause Initial CPU Factory Troubleshooting 10 7 Recommended Action 1 Refer to chapter 8 and follow the start up procedures P ower up 2 Clear processor memory to get rid of the flashing CPU Condition FAULT LED 1 Monitor Status File Word S 6 for major error code Hardware S oftware 2 Refer to either the Hand Held Terminal User Manual Major Fault Catalog Number 1747 NP002 or the Instruction Set Detected Reference Manual for error codes and additional Erratic repetitive power cycling can cause a processor major hardware fault troubleshooting information Remove hardware software condition causing fault Clear Status File S 1 13 major error bits if set Clear Status File S 5 minor error bits if set Clear Status File S 6 major error code optional Attempta processor Run mode entry unsuccessful repeat recommended action steps above SS OF gt po l If the LEDs indicate Error Exists E RUN CPU FAULT E FORCED 1 0 BATTERY LOW System does not operate per ladder logic The Following Probable Cause User Forced 1 0 Disabling Operation Recommended Action 1 Monitor program file online and identify forced 1 0 2 Disable appropriate forces and test system conditions again Refer to either the Hand Held Terminal User Manual Catalog Number 1747 NP002 or your programming software user manual Refer to the
4. Steps Refer to your programming software user manual Refer to the following key to determine the status of the LED indicators Indicates the LED is OFF Indicates the LED is ON Indicates the LED is FLASHING Status of LED does not matter The DH485 LED on the SLC 5 03 processor is labeled DH on the SLC 5 04 processor and ENET on the SLC 5 05 processor Publication 1747 6 2 Troubleshooting 10 17 Identifying SLC 5 03 SLC 5 04 and SLC 5 05 Processor Communication Errors If the LEDs indicate The Following i Probable Cause Recommended Action Error Exists 1 Check line power Inadequate 2 Check 120 240V power supply jumper selection See System Power page 6 8 Also see the recommended actions for inadequate system power on page 10 12 Fatal Error and ar Check communication channel configuration with your Communication No channel ie shut programming software Also see Returning the SLC 5 03 Communication dawn SLC 5 04 and SLC 5 05 Processors to Initial Factory Conditions on page 10 25 Communication channel is Replace processor damaged Refer to the following key to determine the status of the LED indicators C Indicates the LED is OFF HEM indicates the LED is ON C Indicates the LED is FLASHING Indicates the LED is FLASHING or OFF Status of LED does not matter The DH485 LED on the SLC 5 03 processor is labeled
5. Disabling Operation Recommended Action 1 Monitor program file online and identify forced 1 0 2 Disable appropriate forces and test system conditions again Refer to your programming software user manual Refer to the following key to determine the status of the LED indicators C Indicates the LED is OFF Indicates the LED is ON Indicates the LED is FLASHING Status of LED does not matter The DH485 LED on the SLC 5 03 processor is labeled DH on the SLC 5 04 processor and ENET on the SLC 5 05 processor Publication 1747 6 2 10 16 Troubleshooting If the LEDs indicate Error Exists System does not operate per programmed forces The Following Probable Cause User programmed forces are not enabled Recommended Action 1 Monitor program file online and identify programmed forces 2 Enable appropriate forces and test system conditions again Once forces are enabled the FORCE LED goes on steady Refer to your programming software user manual If the LEDs indicate Error Exists CPU Major Error with Low or No Battery Back up The Following Probable Cause Loss of RAM during Power Down Period Recommended Action 1 Verify battery is connected See pages 6 1 and 9 5 2 Replace the battery if you want RAM battery backup See page 9 5 3 Refer to processor major fault recommended action
6. all power from the system Program Alteration There are several causes of alteration to the user program including extreme environmental conditions Electromagnetic Interference EMI improper grounding improper wiring connections and unauthorized tampering If you suspect the memory has been altered check the program against a previously saved program on an EEPROM UVPROM or Flash EPROM module To receive the maximum benefit of this troubleshooting section we recommend you follow these steps 1 Identify the status of your processor LEDs See chapter 5 for a description of LEDs and their different states 2 Using the tables on the following pages match your processor and power supply LEDs with the status LEDs located in the first column 3 Once the status LEDs are matched to the appropriate table simply move across the table identifying error description and probable causes 4 Follow the recommended action steps for each probable cause until the error is corrected 5 If recommended actions do not correct the error contact your local Allen Bradley sales office or distributor Publication 1747 6 2 10 4 Troubleshooting Identifying SLC 5 01 and SLC 5 02 Processor Errors The following LEDs and tables provide you with information regarding error messages possible cause s for the error and recommended action to take to resolve the error If the LEDs indicate Error Exists RUN CPU FAULT FORCED I O
7. connections 2 Re install the devices and re apply power Important The processor only operates in slot 0 of chassis 1 Defective Processor Power Supply or Chassis 1 Attempt Run mode selection of Processor in existing chassis e If keyswitch is in the REM position and there is no key use the programmer e If keyswitch is in REM or PROG position and you have the key toggle to the RUN position 2 Place processor in another chassis not in the existing system Apply power reconfigure and attempt Run mode selection If unsuccessful replace processor 3 Try existing power supply in test chassis If unsuccessful replace power supply If entry into the Run mode is allowed replace the existing chassis Refer to the following key to determine the status of the LED indicators C Indicates the LED is OFF BHM indicates the LED is ON C _ Indicates the LED is FLASHING Status of LED does not matter The DH485 LED on the SLC 5 03 processor is labeled DH on the SLC 5 04 processor and ENET on the SLC 5 05 processor Publication 1747 6 2 10 14 Troubleshooting If the LEDs indicate Error Exists System Inoperable No Major CPU Faults Detected The Following Probable Cause User Program Logic Error Recommended Action 1 Monitor logic in Run mode and verify desired 1 0 Status 2 Check for minor CPU faults Refer to your programmi
8. following key to determine the status of the LED indicators C Indicates the LED is OFF Indicates the LED is ON C _ Indicates the LED is FLASHING Status of LED does not matter The RUN LED on the SLC 5 01 processor is actually labeled PC RUN Also the SLC 5 01 processor does not have a COMM LED Publication 1747 6 2 10 8 Troubleshooting If the LEDs indicate Probable Cause User Programmed Forces are Not Enabled Recommended Action 1 Monitor program file online and identify programmed forces 2 Enable appropriate forces and test system conditions again Once forces are enabled the FORCED I O LED goes on steady Refer to either the Hand Held Terminal User Manual Catalog Number 1747 NP002 or your programming software user manual The Following Error Exists E RUN CPU FAULT FORCED I O 5 d BATTERY LOW ystem oes not operate per programmed forces If the LEDs indicate Thea Enllawing The Following Error Exists RUN CPU FAULT FORCED I O Hl BATTERY Low CPU Major Error with Low or No Battery Back up Probable Cause Loss of RAM during Power Down Period Recommended Action 1 Verify battery is connected See pages 6 1 and 9 4 2 Replace the battery if you want RAM battery backup See page 9 4 If you want to back up RAM with the capacitor in a SLC 5 01 1747 L511 add or replace the BATTERY L
9. on To receive the maximum benefit of this troubleshooting section we recommend you follow these steps 1 Identify the status of your processor LEDs See chapter 5 for description of LEDs and their different states 2 Using the tables on the following pages match your processor and power supply LEDs with the status LEDs located in the first column 3 Once the status LEDs are matched to the appropriate table simply move across the table identifying error description and probable causes 4 Then follow the recommended action steps for each probable cause until the cause is identified 5 If recommended actions do not identify the trouble cause contact your local Allen Bradley sales office or distributor Clearing SLC 5 03 SLC 5 04 and SLC 5 05 Processor Faults Using the Keyswitch Toggle the keyswitch from RUN to PROG and then back to RUN this clears the fault If the keyswitch is left in the RUN position the processor mode cannot be changed from a programmer operator interface device If you return the keyswitch to the REM position you can then use a programmer operator interface device to change the processor mode ATTENTION If you clear a processor fault using the keyswitch the processor immediately enters the Run mode Publication 1747 6 2 10 12 Troubleshooting Identifying SLC 5 03 SLC 5 04 and SLC 5 05 Processor Errors The following LEDs and tables provide you with information regarding error messages
10. possible cause s for the error and recommended action to take to resolve the error If the LEDs indicate The Following Error Exists Probable Cause No Line Power Recommended Action 1 Verify proper line voltage and connections on the power terminals 2 Verify proper 120 240V power supply jumper selection See page 6 8 1 Check the incoming power fuse check for proper Inadequate System P ower Power Supply incoming power connections Replace fuse Fuse Blown 2 If fuse blows again replace the power supply See page 9 8 on fuse replacement 1 Remove line power to power supply Remove several output modules from the chassis Wait five minutes Reapply power 2 If condition reoccurs re calculate module Power Supply configuration power required and verify proper power Overloaded supply selection See page 2 11 This problem can occur intermittently if power supply is overloaded when output loading and temperature varies Defective P ower Supply 1 Recheck other probable causes 2 Monitor the line power to chassis power supply for possible transient or shorting 3 Replace the power supply If the LEDs indicate The Following Error Exists Inadequate System P ower Probable Cause Improper Line Power Voltage Selection Recommended Action Verify proper 120 24
11. 0V power supply jumper selection See page 6 8 Refer to the following key to determine the status of the LED indicators L Indicates the LED is OFF Indicates the LED is ON C Indicates the LED is FLASHING Status of LED does not matter The DH485 LED on the SLC 5 03 processor is labeled DH on the SLC 5 04 processor and ENET on the SLC 5 05 processor Publication 1747 6 2 If the LEDs indicate The Following Error Exists Probable Cause Either Improper Mode Selected or User Program Logic Troubleshooting 10 13 Recommended Action 1 Verify selected processor mode 2 Ifthe processor is in the Program Test modes attempt Run mode entry e If Keyswitch is in the REM position and there is no key use the programmer e If keyswitch is in REM or PROG position and you have the key toggle to the RUN position 3 If in the suspend mode check user program logic for suspend instructions Refer to your programming software user manual Line Power Out of Operating Range 1 Check proper 120 240V power supply jumper selection and incoming power connections 2 Monitor for proper line voltage at the incoming power connections See page 6 8 for power supply installation Processor Not in Run Mode Improper Seating of Power Supply and or Processor in the Chassis 1 Remove power and inspect the power supply chassis connections and the processor chassis
12. ATTERY LOW CPU Fault The Following Probable Cause Recommended Action CPUMemoiy Cycle power Error Yee power 1 Remove power and then remove the memory module from the processor 2 Re install the processor and re apply power to the power supply teat memon If steady CPU FAULT LED changes to flashing replace the ee existing memory module with a replacement module Refer to chapter 6 for removing and installing memory modules 1 Place the processor in another chassis not in the existing system and cycle power If steady CPU FAULT LED reappears replace the Faulty CPU Power processor Supply 2 IfCPU FAULT LED clears monitor the line power going to the power supply in existing system 3 Replace existing system power supply if line power checks OK Processor If upgrading the processor to a different firmware level Firmware Installed verify firmware chip orientation matches the upgrade kit Incorrectly directions Refer to the following key to determine the status of the LED indicators Indicates the LED is OFF Indicates the LED is ON Indicates the LED is FLASHING Status of LED does not matter The RUN LED on the SLC 5 01 processor is actually labeled PC RUN Also the SLC 5 01 processor does not have a COMM LED Publication 1747 6 2 If the LEDs indicate Error Exists RUN CPU FAULT FORCED I O BATTERY LOW CPU Major
13. DH on the SLC 5 04 processor and ENET on the SLC 5 05 processor Publication 1747 6 2 10 18 Troubleshooting If the LEDs indicate Error Exists The SLC 5 03 and SLC 5 04 processors are trying to establish communication but cannot find other active nodes The LED is flashing green on the SLC 5 03 and SLC 5 04 The Following Probable Cause DH 485 or DH communication parameters are improperly set up Recommended Action 1 Check communication parameters of programmer Programmer and processor baud rate must match Programmer and processor node addresses must be different 2 Try different combinations of a baud rate Processor default is 19 2K for DH 485 on the SLC 5 03 and 57 6K for DH on the SLC 5 04 b node address Processor default is 1 3 Try to increase the maximum node address Default is 31 for the SLC 5 03 processor only See your programming software user manual for channel configuration information Bad Connection of Communication Device 1 Check cable continuity 2 Check cable connections between programmer and processor 3 Check communication device for example the 1747 PIC Replace if necessary Low or No Power to Communication Device 1 Verify proper power supply selection and backplane loading The 1747 PIC and 1747 AIC draw power off the backplane 2 Verify proper 120 240V power supply jumper selection See page 6 8 Du
14. LT 2 FORCED I O 1 Cycle power to obtain flashing CPU FAULT LED and default program Excessive noise or 2 Examine the error code following the power cycle a faulty SLC 5 02 Take appropriate action processor 3 Reload your program 4 Contact your local Allen Bradley representative if the error persists T BATTERY LOW A fatal error has occurred Refer to the following key to determine the status of the LED indicators C Indicates the LED is OFF HM indicates the LED is ON E Indicates the LED is FLASHING Indicates the LED is FLASHING or OFF Status of LED does not matter The RUN LED on the SLC 5 01 processor is actually labeled PC RUN Also the SLC 5 01 processor does not have a COMM LED Publication 1747 6 2 Troubleshooting 10 11 Trou bleshooting the Between the time you apply power to an SLC 5 03 SLC 5 04 or SLC 5 03 SLC 5 04 and SLC 5 05 processor and the communications are established via a SLC 5 05 Processors connected programming device the only form of communication between you and the processor is through the LED display When power is applied all of the LEDs flash on and then off while the processor conducts hardware tests This is part of the normal powerup sequence Following the selftest by the processor all the LEDs again flash on momentarily If a user program is in a running state the RUN LED will be on If a fault exists within the processor the FLT LED is
15. MANUFACTURER DATA SHEET PLC CPU Manufacturer Allen Bradley Rockwell Model Number SLC500 See www geomartin com for additional PDF datasheets Martin Part Number VendorPartNumber E 014624 00 1747 L524 PDF File Doc_000074_Cover pdf This page is intentionally left blank wy Allen Bradley SLC 500 Modular Hardware Style Cat Nos 1747 L511 1747 L514 1747 L524 1747 L531 1747 L532 1747 L541 1747 L542 1747 L543 1747 L551 1747 L552 and 1747 L553 Installation and Operation Manual Important User Because of the variety of uses for the products described in this Information publication those responsible for the application and use of this control equipment must satisfy themselves that all necessary steps have been taken to assure that each application and use meets all performance and safety requirements including any applicable laws regulations codes and standards The illustrations charts sample programs and layout examples shown in this guide are intended solely for purposes of example Since there are many variables and requirements associated with any particular installation Allen Bradley does not assume responsibility or liability to include intellectual property liability for actual use based upon the examples shown in this publication Allen Bradley publication SGI 1 1 Safety Guidelines for the Application Installation and Maintenance of Solid State Control a
16. OW LED jumper 3 Refer to processor major fault recommended action Steps Refer to either the Hand Held Terminal User Manual Catalog Number 1747 NP002 or your programming software user manual Refer to the following key to determine the status of the LED indicators Indicates the LED is OFF Indicates the LED is ON Indicates the LED is FLASHING Status of LED does not matter The RUN LED on the SLC 5 01 processor is actually labeled PC RUN Also the SLC 5 01 processor does not have a COMM LED Publication 1747 6 2 Troubleshooting 10 9 Identifying SLC 5 02 Processor Communication Errors If the LEDs indicate Error Exists 7 RUN WA CPU FAULT 7 FORCED I O 2 BATTERY LOW The SLC 5 02 processor is not receiving data No communication to the programmer The Following Probable Cause DH 485 communication parameters are improperly set up Recommended Action 1 Check communication parameters of programmer Programmer and processor baud rate must match Programmer and processor node addresses must be different 2 Try different combinations of a baud rate Processor default is 19200 b node address Processor default is 1 3 Try to increase the maximum node address Default is 31 Bad Connection of Communication Device 1 Check cable continuity 2 Check cable connections between programmer and processor 3 Check communication device for ex
17. Publication 1747 6 2 If the LEDs indicate Error Exists CPU Major Fault The Following Probable Cause Initial CPU Factory Power up Condition in Effect Troubleshooting 10 15 Recommended Action 1 Refer to chapter 8 and follow the start up procedures 2 Clear processor memory to get rid of the flashing FLT LED Hardware Software Major Fault Detected Erratic repetitive power cycling can cause a CPU major hardware fault 1 Use programmer to monitor and clear the fault or if keyswitch in REM a Monitor Status File Word S 6 for major error code b Refer to your programming software user manual for error codes and additional troubleshooting information Remove hardware software condition causing fault Clear Status File 1 13 major error bits if set Clear Status File S 5 minor error bits if set Clear Status File S 6 major error code optional g Attempta processor Run mode entry If unsuccessful repeat recommended action steps above 2 Use the keyswitch to clear the fault Toggle the Keyswitch to PROG and back to RUN See page 10 11 If FAULT occurs again use programmer to get error code and determine the source of problem me O O A If the LEDs indicate Error Exists RUN Hi HD FORCE FLT lt DH485 2 a RS232 System does not operate per ladder logic BATT The Following Probable Cause User Forced 1 0
18. additional guidelines for safety related work practices Never reach into a machine to actuate a switch since unexpected machine motion can occur and cause injury Remove all electrical power at the main power disconnect switches before checking electrical connections or inputs outputs causing machine motion If installation and start up procedures detailed in chapters 6 7 and 8 were followed closely your SLC controller will give you reliable service If a problem should occur the first step in the troubleshooting procedure is to identify the problem and its source The SLC 500 controller has been designed to simplify troubleshooting procedures By observing the diagnostic indicators on the front of the power supply processor unit and I O modules the majority of faults can be located and corrected These indicators along with error codes identified in the programming device user manual and programmer s monitor help trace the source of the fault to the user s input output devices wiring or the controller Removing Power Before working on a SLC 500 modular system always remove the power supply input power at the main power disconnect switch The power LED on the power supply indicates that DC power is being supplied to the chassis The LED could be off when incoming power is present Troubleshooting the SLC 5 01 and SLC 5 02 Processors Troubleshooting 10 3 Replacing Fuses When replacing a fuse be sure to remove
19. ample the 1747 PIC Replace if necessary Low or No Power to Communication Device 1 Verify proper power supply selection and backplane loading 1747 PIC and 1747 AIC draw power off the backplane 2 Verify proper 120 240V power supply jumper selection See page 6 8 Refer to the following key to determine the status of the LED indicators L Indicates the LED is OFF HM indicates the LED is ON C Indicates the LED is FLASHING Indicates the LED is FLASHING or OFF Status of LED does not matter The RUN LED on the SLC 5 01 processor is actually labeled PC RUN Also the SLC 5 01 processor does not have a COMM LED Publication 1747 6 2 10 10 If the LEDs indicate Troubleshooting 7 RUN E comm CZ CPU FAULT gt FORCED I O The Following Error Exists The SLC 5 02 processor is Probable Cause Recommended Action 1 Check communication parameters of programmer Programmer and processor baud rate must match Programmer and processor node addresses must be 7 BATTERY LOW a DH 485 receiving data a different butis not Aar a 2 Try different combinations of communicating eae a baud rate Processor default is 19200 with the b node address Processor default is 1 programmer 3 Try to increase the maximum node address Default is 31 If the LEDs indicate SES cali The Following Probable Cause Recommended Action Error Exists 7 RUN MM CPU FAU
20. and PWR OUT COM terminals to power sensors The terminals provide an isolated nonfused 200 mA 24V dc power supply Publication 1747 6 2 6 10 Installing Your Hardware Components Installing Your Chassis Interconnect Cable Publication 1747 6 2 Two cables are available to link modular hardware chassis Catalog Number 1746 C7 cable is 152 4 mm 6 in in length and used when connecting chassis side by side Catalog Number 1746 C9 is 914 4 mm 36 in in length and used to link one chassis below the other ATTENTION Do not use any other cables than those provided Longer cables could affect the integrity of data communications between the chassis possibly causing unsafe operation Also make sure the cable is properly secured to protect against the effects of shock and vibration Install the chassis interconnect cable before installing the power supply in multiple chassis configurations The cables are keyed for proper installation The end of the cable that plugs into the right socket in the chassis has the key on the top of the connector The opposite end of the cable has the key on the inside of the connector for insertion into the expansion chassis To remove the cable move the tabs on the socket outward and the connector pops out ATTENTION The expansion cable must always exit the right end of the chassis with the processor Refer to the following figures
21. apter 1 0 Troubleshooting In this chapter you will learn about e calling Allen Bradley for assistance e tips for troubleshooting your control system e troubleshooting the SLC 5 01 and SLC 5 02 processors e troubleshooting the SLC 5 03 SLC 5 04 and SLC 5 05 processors e troubleshooting your input modules e troubleshooting your output modules Calling Allen Bradley for If you need to contact Allen Bradley or local distributor for Assistance assistance it is helpful to obtain the following prior to calling e processor type series letter operating system OS number obtained from the status file firmware FRN number see label on side of processor module e processor LED status e processor error codes found in S 6 of status file e hardware types in system I O modules chassis e revision of programming device on the main menu of the Hand Held Terminal or programming software Publication 1747 6 2 10 2 Troubleshooting Tips for Troubleshooting Your Control System Publication 1747 6 2 When troubleshooting pay careful attention to these general warnings ATTENTION Have all personnel remain clear of the controller and equipment when power is applied The problem may be intermittent and sudden unexpected machine motion could result in injury Have someone ready to operate an emergency stop switch in case it becomes necessary to shut off power to the controller equipment Also see NFPA 70E Part II for
22. ded action for Inadequate System Power on page 10 12 Communication channel is shut down Check communication channel configuration with your programming software Also see Returning the SLC 5 03 SLC 5 04 and SLC 5 05 Processors to Initial Factory Error Exists The SLC 5 03 SLC 5 04 or SLC 5 05 processor is trying to establish communication but cannot find other active nodes Probable Cause DH 485 communication parameters are improperly set up No Conditions on page 10 25 Communication E Communication channel is Replace processor damaged eang See your programming software user manual for channel configured for ike configuration information DF 1 The Following Recommended Action 1 Check communication parameters of programmer Programmer and processor baud rate must match Programmer and processor node addresses must be different 2 Try different combinations of a baud rate Processor default is 19200 b node address Processor default is 1 3 Try to increase the maximum node address Default is 31 See your programming software user manual for channel configuration information Bad Connection 1 Check cable continuity 2 Check cable connections between programmer and processor Low or No Power to Communication Device 1 Verify proper power supply selection and backplane loading The 1747 PIC and 1747 AIC draw power of
23. f the backplane 2 Verify proper 120 240V power supply jumper selection See page 6 8 Refer to the following key to determine the status of the LED indicators C Indicates the B indicates the LED is ON C Indicates the Indicates the Status of LED does not matter LED is FLASHING LED is FLASHING or OFF The DH485 LED on the SLC 5 03 processor is labeled DH on the SLC 5 04 processor and ENET on the SLC 5 05 processor Publication 1747 6 2 10 20 Troubleshooting If the RS232 Channel is in DH485 Mode and the LEDs indicate RUN 32 ft FLT FA BATT gt If the LEDs indicate The Following Error Exists A fatal error has occurred Probable Cause Excessive noise or a faulty SLC 5 03 SLC 5 04 or SLC 5 05 processor Probable Cause Recommended Action Error Exists Channel is Check communication parameters of channel gt FORCE configured for configuration Also see your programming software user gt DH485 DH485 mode manual Hepes Check communication parameters of programmer and channel configuration a baud rate The SLC 5 03 b DF1 node addresses Processor default is 1 for DF1 SLC 5 04 or RS232 DF1 half duplex and 9 for DF 1 full duplex SLC 5 05 parameters c error checking processor is not improperly setup d number of data bits transmitting Programmer and processor baud rate must match Programmer and processor addre
24. ng software user manual Defective 1 0 Devices or I O Wiring Test inputs and outputs according to 1 0 troubleshooting procedures starting on page 10 26 If the LEDs indicate Error Exists CPU Fault The Following Probable Cause Recommended Action CPU Memory tyden Error ee 1 Remove power and then remove the memory module from the processor 2 Re install the processor and re apply power to the power supply Pauly Memi If steady FLT LED changes to flashing replace the existing Module memory module with a replacement module Refer to chapter 6 for removing and installing memory modules 1 Place the processor in another chassis not in the existing system and cycle power If steady FLT LED reappears replace the processor ot ceniEONes 2 IfFLT LED clears monitor the line power going to the PPY power supply in existing system 3 Replace existing system power supply if line power checks OK Processor If upgrading the processor to a different firmware level Firmware Installed verify firmware chip orientation matches the upgrade kit Incorrectly directions Refer to the following key to determine the status of the LED indicators Indicates the LED is OFF Indicates the LED is ON Indicates the LED is FLASHING Status of LED does not matter The DH485 LED on the SLC 5 03 processor is labeled DH on the SLC 5 04 processor and ENET on the SLC 5 05 processor
25. or Chassis 1 Attempt Run mode selection of Processor in existing chassis 2 Place processor in another chassis not in the existing system Apply power reconfigure and attempt Run mode selection If unsuccessful replace processor 3 Try existing power supply in test chassis If unsuccessful replace power supply If entry into the Run mode is allowed replace the existing chassis Refer to the following key to determine the status of the LED indicators Indicates the LED is OFF Indicates the LED is ON Indicates the LED is FLASHING Status of LED does not matter The RUN LED on the SLC 5 01 processor is actually labeled PC RUN Also the SLC 5 01 processor does not have a COMM LED Publication 1747 6 2 10 6 Troubleshooting If the LEDs indicate The Following Following Error Exists EE RUN CPU FAULT FORCED I O BATTERY LOW System Inoperable No Major CPU Faults Detected Probable Cause User Program Logic Error Recommended Action 1 Monitor logic in Run mode and verify desired 1 0 Status 2 Check for minor CPU faults Refer to either the Hand Held Terminal User Manual Catalog Number 1747 NP002 or your programming software user manual Defective 1 0 Devices or I O Wiring Test inputs and outputs according to 1 0 troubleshooting procedures starting on page 10 26 If the LEDs indicate Error Exists RUN HMM CPU FAULT FORCED I O B
26. plicate drop is detected The LED is flashing red on the SLC 5 04 Another DH device is already on the DH network at the node address of this same device 1 Remove this device from the DH network 2 Cycle power 3 Reset the node address to an unused node before reconnecting device to the DH network Can perform reset if on line via channel 0 RS 232 port without disconnecting from DH An ENET fault is being reported via a code The LED is flashing red on the SLC 5 05 A hardware or software fault has occured Contact Allen Bradley Global Technical Services for assistance Refer to the following key to determine the status of the LED indicators L Indicates the LED is OFF HEM indicates the LED is ON C Indicates the LED is FLASHING Indicates the LED is FLASHING or OFF Status of LED does not matter The DH485 LED on the SLC 5 03 processor is labeled DH on the SLC 5 04 processor and ENET on the SLC 5 05 processor Publication 1747 6 2 If the RS232 Channel is in DH485 Mode and the LEDs indicate RUN It FLT CZ 7 DH485 BATT If the RS232 Channel is in DH485 Mode and the LEDs indicate The Following Error Exists Fatal Error and Probable Cause Inadequate System Power Troubleshooting 10 19 Recommended Action 1 Check line power 2 Check 120 240V power supply jumper selection See page 6 8 Also see the recommen
27. rademark of Datastorm Technologies Inc Tandy is a trademark of the Tandy Corporation Gateway 2000 is a trademark of Gateway 2000 Inc Toshiba is a trademark of Toshiba America Inc Compaq is a registered trademark of Compaq Computer Corporation Deskpro is a trademark of Compaq Computer Corporation Intel is a trademark of Intel Corporation 6 8 Installing Your Hardware Components Installing Your Power Supply Publication 1747 6 2 If you have multiple chassis configurations install the chassis interconnect cable before installing the power supply See page 6 10 Also the power supply terminals accept two 14 AWG wires and are marked as shown in the figure on page 6 8 To install the power supply do the following 1 Align the circuit board with the card guide on the left side of the chassis Slide the power supply in until flush with the chassis D Lett ie WIM Ss OSU AN PIF CN K JE D CN 19524 2 Fasten the power supply to the chassis with the two Phillips head screws 3 Place the jumper to match the input voltage This does not apply to 1746 P3 or 1746 P5 which do not have a jumper ATTENTION Make jumper selection before applying power Hazardous voltage is present on exposed pins when power is applied Installing Yo
28. sses must be different See your programming software user manual 1 Check cable connections Hardware Problem 2 Check cable pinouts Also see appendix B for RS 232 pinouts The Following Recommended Action 1 Cycle power to obtain flashing FLT LED and default program 2 Examine the error code following the power cycle Take appropriate action 3 Reload your program 4 Contact your local Allen Bradley representative if the error persists Refer to the following key to determine the status of the LED indicators Indicates the LED is OFF Indicates the LED is ON Indicates the LED is FLASHING Indicates the LED is FLASHING or OFF Status of LED does not matter L 2o L The DH485 LED on the SLC 5 03 processor is labeled DH on the SLC 5 04 processor and ENET on the SLC 5 05 processor Publication 1747 6 2
29. the status of the LED indicators L Indicates the LED is OFF Indicates the LED is ON Indicates the LED is FLASHING Status of LED does not matter The RUN LED on the SLC 5 01 processor is actually labeled PC RUN Also the SLC 5 01 processor does nothave a COMM LED Publication 1747 6 2 If the LEDs indicate Error Exists RUN CPU FAULT FORCED I O BATTERY LOW Processor Notin Run Mode The Following Probable Cause Either Improper Mode Selected or User Program Logic Error Troubleshooting 10 5 Recommended Action 1 Verify selected processor mode 2 Ifin program test modes attempt Run mode entry 3 Ifin suspend mode check user program logic for suspend instructions Refer to either the Hand Held Terminal User Manual Catalog Number 1747 NP002 or your programming software user manual Line Power Out of Operating Range 1 Check proper 120 240V power supply jumper selection and incoming power connections 2 Monitor for proper line voltage at the incoming power connections See page 6 8 for power supply installation Improper Seating of Power Supply and or Processor in the Chassis 1 Remove power and inspect the power supply chassis connections and the processor chassis connections 2 Re install the devices and re apply power Important The processor only operates in slot 0 of chassis 1 Defective Processor Power Supply
30. ur Hardware Components 6 9 POWER POWER Fuse Fuse SHS Pa ne User E PWR OUT 424V de NOTUSED Selection li 5 omer PWR ouT com a Not useD Lisl 120 240 ac 24 dc 100 120 Volts FA Vacneut dcneut e chassis croun o chassis eroun 200 240 Volts 1746 P1 and P2 1746 P3 PT POWER User lt Pwr OUT 24 dc POWER Selection Power N PWR OUT COMMON E a 85 o ac a l 85 132v ac a PWR OUT 424V dc 170 2650 iS OI aa ee 2 PWR OUT COM L GP 170 265V ac n Sl e H25V de al de NEUT Fr a L1 85 132 170 265 lt cuassis crounns L2 NEUTRAL 1746 P4 1746 P5 cuassis GRounn 4 Remove the warning label from the top of the power supply 5 Connect line power to the power supply ATTENTION If you have a 1746 P3 see page 3 5 for special grounding considerations On the 1746 P1 and P2 power supply use the PWR OUT 24 VDC
31. vailable from your local Allen Bradley office describes some important differences between solid state equipment and electromechanical devices that should be taken into consideration when applying products such as those described in this publication Reproduction of the contents of this copyrighted publication in whole or in part without written permission of Allen Bradley Company Inc is prohibited Throughout this manual we use notes to make you aware of safety considerations ATTENTION Identifies information about practices or circumstances that can lead to personal injury or death property damage or economic loss Attention statements help you to e identify a hazard e avoid the hazard e recognize the consequences Important Identifies information that is critical for successful application and understanding of the product PLC PLC 2 PLC 3 and PLC S are registered trademarks of Rockwell Automation SLC SLC 500 SLC 5 01 SLC 5 02 SLC 5 03 SLC 5 04 SLC 5 05 PanelView Panel View 550 Panel View 900 RediPANEL Control View PBASE DH DTAM DeviceNet and Dataliner are trademarks of Rockwell Automation RSLogix 500 and RSLinx are trademarks of Rockwell Software Inc Ethernet is a registered trademark of Digital Equipment Corporation Intel and Xerox Corporation IBM is a registered trademark of International Business Machines Incorporated Multimodem is a trademark of Multi Tech Systems Inc Procomm is a registered t

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