
ROC800-Series Instruction Manual
Revised Jul-14 General Information 1-7
LOI (Local Port) EIA-232 (RS-232D)
Built-in Ethernet (Comm1)
Built-in EIA-232 (RS-232C) (Comm2)
Figure 1-2. ROC827 Base Unit with One Expansion Backplane (separated for clarity)
The ROC800 and EXPs support various types of Input/Output (I/O)
modules, which can satisfy a wide variety of field I/O requirements
(refer to Chapter 4, Input/Output Modules). You can place I/O
modules in any available slot. I/O modules include:
Analog Inputs (AI).
Analog Outputs (AO).
Discrete Inputs (DI).
Discrete Outputs (DO).
Digital Relay Outputs (DOR).
Advance Pulse Module (APM).
Alternating Current I/O (ACIO).
Multi-variable Sensor (MVS I/O).
Highway Addressable Remote Transducer (HART
®
) Module.
Pulse Inputs (PI) – High/Low Speed.
Resistance Temperature Detector Inputs (RTD).
Thermocouple (TC) Inputs.
IEC 62591.
APP 485.
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