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ROC827 Instruction Manual
Issued Mar-06 Index I-2
Discrete Output Relay
LEDs..............................................................4-11
Troubleshooting............................................... 6-8
Discrete Outputs................................................ 4-10
LEDs..............................................................4-10
Relay ............................................................. 4-11
Troubleshooting............................................... 6-8
Dry Relay Contacts.............................................. 4-9
DS800 Development Suite software...........1-16, 5-7
Duty Cycle ........................................................... 3-8
Analog Input .................................................. 3-12
Analog Output ...............................................3-13
Discrete Input ................................................ 3-14
Discrete Output .............................................3-15
Discrete Output Relay ................................... 3-16
MVS............................................................... 3-18
Pulse Input ....................................................3-17
RTD ............................................................... 3-19
Thermocouple ............................................... 3-19
E
EIA-232 (RS-232) Communications .................... 5-9
Built-in Comm2................................................ 5-9
LEDs................................................................ 5-9
Local Port ........................................................ 5-5
Module Comm3 to Comm5 ............................. 5-9
EIA-422/485 (RS-422/485) Communications
Jumpers and Termination Resistors ............. 5-11
LEDs..............................................................5-11
modules......................................................... 5-10
Selecting 422 or 485 Mode ........................... 5-11
Termination ................................................... 5-11
Enclosure............................................................. 2-2
End Caps............................................................. 2-6
Environment......................................................... 2-2
Ethernet Communications ................................... 5-7
Ethernet wiring..................................................... 5-8
EUs ...................................................................... 6-6
Event Log........................................................... 1-11
EXP......................................................1-2, 1-4, 2-10
Attaching ....................................................... 2-11
Detaching ...................................................... 2-12
F
FCC Information .................................................. 1-8
Field wiring
Analog Input module ....................................... 4-7
Analog Output module..................................... 4-9
Discrete Input module ................................... 4-10
Discrete Output module................................. 4-11
Discrete Output Relay module ...................... 4-12
HART Interface module................................. 5-18
Pulse Input module (externally powered)...... 4-14
Pulse Input module (ROC800-powered)....... 4-14
Figures
1-1. ROC827 ................................................... 1-3
1-2. ROC827 and Expanded Backplane......... 1-4
2-1. Side View, ROC827 .................................2-8
2-2. Bottom View, ROC827 .............................2-8
2-3. Back View, ROC827.................................2-9
2-4. ROC827 and Expanded Backplane .......2-10
2-5. Power Connector on EXP ......................2-11
2-6. CPU Front View......................................2-14
2-6. Plastic snaps, EXP.................................2-12
2-7. CPU Connectors ....................................2-14
2-8. License key ............................................2-17
3-1. 12 V dc Power Input module....................3-2
3-2. 24 V dc Power Input module....................3-4
3-3. 12 V dc Auxiliary Power Wiring................3-5
3-4. 24 V dc Auxiliary Power Wiring................3-5
3-5. 12 V dc Power Supply and BAT+ / BAT–
Wiring ..........................................................3-22
3-6. 12 V dc Power Supply and CHG+ and CHG–
Wiring ..........................................................3-23
4- 1. Typical I/O Module ..................................4-2
4- 2. Optional I/O Module Locations................4-2
4- 3. Installing an I/O Module ..........................4-5
4- 4. Analog Input Jumper J4 (at +24V) ..........4-7
4- 5. Analog Input Module Field Wiring ...........4-7
4- 6. Analog Output Jumper J4 (at +12 V) ......4-8
4- 7. Analog Output Module Field Wiring ........4-9
4- 8. Discrete Input Module Field Wiring .......4-10
4- 9. Discrete Output Module Field Wiring ....4-11
4-10. Discrete Output Relay Module Field Wiring
.....................................................................4-12
4-11. Pulse Input J4 Jumper (at +12V) .........4-13
4-12. Externally Powered Pulse Input Module
Field Wiring .................................................4-14
4-13. ROC800-Powered Pulse Input Module Field
Wiring ..........................................................4-14
4-14. RTD Sensor Wiring Terminal Connections4-
16
4-15. Type J and K Thermocouple Wiring.....4-18
4-16. Type J Thermocouple Shielded Wiring – US
Color Coding ...............................................4-19
4-17. Type K Thermocouple Shielded Wiring – US
Color Coding ...............................................4-19
4-18. Ungrounded – Sheathed......................4-19
4-19. Grounded .............................................4-19
4-20. Exposed, Ungrounded – Unsheathed..4-19
5-1. Communication Ports...............................5-2
5-2. Example RS-485 Communications Module5-
3
5-3. RJ-45 Pin Out...........................................5-6
5-4. 10BASE T-Crossover Cable ....................5-9
5-5. EIA-422/485 (RS-422/485) J4 Jumper...5-12
5-6. MVS Jumper J4 (shown not terminated) 5-15
5-7. HART Interface Module Field Wiring......5-18
5-8. HART Channels 1 and 3 (back side of board)
.....................................................................5-18
5-9. HART Channels 2 and 4 (front side of board)
.....................................................................5-19
Firmware..............................................................1-8
Flow Calculations...............................................1-12
Function Sequence Table (FST)........................1-14