Name: Emerson ROC827
Brand: Emerson
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ROC800-Series Instruction Manual

Revised July-2017 Wiring Diagrams B-5

B.5 3- and 4-Wire RTD to RTD Module

4 - WIRE RTD

3 - WIRE RTD

Table of Contents3
Chapter 1 - General Information7
Roc800L7
Roc8277
Scope of Manual8
Series 1 Versus Series 2 Architecture9
Dial-Up Modem10
Hardware11
Discrete Inputs13
Discrete Outputs13
Communication Modules14
Central Processor Unit (CPU)15
Real-Time Clock (RTC)15
Diagnostic Monitoring15
Options16
FCC Information17
Firmware17
Historical Database and Event & Alarm Log21
Meter Runs and Stations22
ROC800 Flow Calculations22
ROC800L Flow Calculations23
Automatic Self Tests23
Low Power Modes24
Proportional, Integral, and Derivative (PID)25
Function Sequence Table (FST)25
ROCLINK 800 Configuration Software26
ROCLINK 800 Dynamic Graphical Interface27
ROC800L Software28
DS800 Development Suite Software29
Expansion Backplane30
Foundation™ Fieldbus Interface30
OUNDATION Fieldbus Interface30
Security Gateway30
Additional Technical Information31
Chapter 2 - Installation and Use33
Installation Requirements33
Environmental Requirements34
Site Requirements34
Compliance with Hazardous Area Standards35
Power Installation Requirements35
Grounding Installation Requirements36
I/O Wiring Requirements37
Required Tools37
Housing37
Removing and Replacing End Caps37
Removing and Installing Wire Channel Covers38
Removing and Installing Module Covers38
Mounting the ROC800 on a DIN Rail39
Installing the DIN Rail40
Securing the ROC800 to the DIN Rail41
Removing the ROC800 from the DIN Rail41
ROC800-Series Expansion Backplane (EXP)41
Attaching an Expansion Backplane42
ROC827 and Expansion Backplane42
Removing an Expansion Backplane43
Central Processing Unit (CPU)45
Removing the CPU Module49
Installing the CPU Module49
License Keys50
Installing a License Key51
Removing a License Key51
Startup and Operation52
Startup52
Operation53
Chapter 3 - Power Connections55
Power Input Module Descriptions55
12-Volt DC Power Input Module (PM-12)55
24-Volt DC Power Input Module (PM-24)57
30-Volt DC Power Input Module (PM-30)58
Auxiliary Output (AUX+ and AUX-)62
Switched Auxiliary Output (AUXSW+ and AUXSW-)64
Determining Power Consumption65
DI Modules68
DO Modules68
DOR Modules68
Tuning the Configuration69
Description70
Duty Cycle70
Analog Input70
Removing a Power Input Module79
Installing a Power Input Module81
Connecting the ROC800 to Wiring81
Wiring the DC Power Input Module82
Wiring the External Batteries83
Replacing the Internal Battery84
Additional Technical Information86
Chapter 4 - Input/Output Modules87
I/O Module Overview87
Discrete Input89
Installation90
Removing and Installing Wire Channel Covers90
Removing and Installing Module Slot Covers91
Installing an I/O Module91
Removing an I/O Module93
Wiring I/O Modules93
Analog Input (AI) Modules93
Analog Output (AO) Modules95
Discrete Input (DI) Modules96
Analog Output Module96
Discrete Input Module97
Pulse Input (PI) Modules98
Discrete Output (DO) Modules99
Discrete Output Module100
Discrete Output Relay (DOR) Modules101
Resistance Temperature Detector (RTD) Input Modules102
Field Wiring102
Advanced Pulse Module (APM)104
DIP Switches106
Multi-Variable Sensor Input/Output (MVS I/O)107
Pulse Input107
Alternating Current Input/Output (AC I/O) Module112
Thermocouple (TC) Input Module114
Field Wiring114
Highway Addressable Remote Transducer (HART ) Module118
IEC 62591 Module120
APP 485 Module122
Additional Technical Information123
Chapter 5 - Communications125
Communication Ports and Modules Overview125
Local Port125
Installing Communication Modules127
Communication Module128
Removing a Communication Module129
Wiring Communication Modules129
Local Operator Interface (LOI)129
Direct Connect130
Using the LOI131
Ethernet Communication131
Tcp/Ip131
RS-232) Serial Communication133
EIA-422/485 (RS-422/485) Serial Communications Module134
Built-In Comm2134
Module Comm3 to Comm5134
EIA-422/485 (RS-422/485) Communication134
EIA-422/485 (RS-422/485) Jumpers & Termination Resistors135
Dial-Up Modem Communication Module137
Multi-Variable Sensor (MVS) Interface Module138
Network Radio Module (NRM)138
Additional Technical Information140
Chapter 6 - Troubleshooting141
Guidelines141
Checklists142
Serial Communications142
I/O Point143
Software143
Powering up144
MVS or MVS I/O Module144
IEC 62591 Module145
Procedures145
Preserving Configuration and Log Data145
Restarting the ROC800145
Troubleshooting Analog Input Modules146
Troubleshooting Analog Output Modules148
Troubleshooting Discrete Input Modules149
Troubleshooting Discrete Output Modules149
Troubleshooting Discrete Output Relay Modules150
Troubleshooting Pulse Input Modules150
Troubleshooting RTD Input Modules151
Troubleshooting Thermocouple Input (T/C) Modules152
Troubleshooting Advanced Pulse Modules154
Network Radio Modules154
Chapter 7 - Calibration157
Calibration Overview157
Calibration Frequency157
Preparing for Calibration158
Appendix A - Glossary159
Analog Output162
Appendix B - Wiring Diagrams167
Daniel Senior Sonic Meter to PI Module167
Daniel Senior Sonic Meter167
Daniel 1818A and 1838 Turbine Pre-Amp to PI Module168
Micro Motion RFT9739 & 2400S Transmitters to PI Module169
Micro Motion RFT9739 & 2400S Transmitters to APM Module170
3- and 4-Wire RTD to RTD Module171
Daniel Senior Sonic Meter to APM Module172
Daniel 1818A and 1838 Dual Turbine Pre-Amp to APM Module173
Daniel 1818A and 1838 Turbine Pre-Amp to APM Module174
Two-Stage Valve with Two Limit Switches to ACIO Module175

Brand	Emerson
Model	ROC827
Category	Controller
Language	English

Emerson ROC827 User Manual

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