ROC800-Series Instruction Manual
Revised July-2017 Communications 5-1
Chapter 5 – Communications
In This Chapter
5.1 Communication Ports and Modules Overview ....................................... 5-1
5.2 Installing Communication Modules ........................................................ 5-3
5.3 Removing a Communication Module ..................................................... 5-5
5.4 Wiring Communication Modules ............................................................ 5-5
5.5 Local Operator Interface (LOI) ............................................................... 5-5
5.5.1 Using the LOI .............................................................................. 5-7
5.6 Ethernet Communication ........................................................................ 5-7
5.7 EIA-232 (RS-232) Serial Communication .............................................. 5-9
5.8 EIA-422/485 (RS-422/485) Serial Communications Module ............... 5-10
5.8.1 EIA-422/485 (RS-422/485) Jumpers & Termination
Resistors ................................................................................... 5-11
5.9 Dial-up Modem Communication Module .............................................. 5-13
5.10 Multi-Variable Sensor (MVS) Interface Module.................................... 5-14
5.11 Network Radio Module (NRM) ............................................................. 5-14
5.12 Additional Technical Information .......................................................... 5-16
This chapter describes the built-in communication ports and the optional
communication modules used with the ROC800.
Note: For information on removing or installing wire covers or module
slot covers, see Chapter 4.
5.1 Communication Ports and Modules Overview
The built-in communication ports and the optional communication
modules provide communications between the ROC800 and a host
system or external devices.
The ROC800 supports up to six communication ports. The CPU
provides three built-in communication ports. You can add up to three
additional ports with communication modules. Table 5-1 displays the
types of communication options available for the ROC800.
Table 5-1. Built-in Communication and Optional Communication Modules
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