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ROC800-Series Instruction Manual

Revised Jul-14

General Information

1-7

A

Power Supply Module

B

CPU

C

LOI (Local Port) EIA-232 (RS-232D)

D

Built-in Ethernet (Comm1)

E

Built-in EIA-232 (RS-232C) (Comm2)

F

Module (1 of 27 max)

G

Wire Channel Cover

H

Right End Cap

Figure 1-2. ROC827 Base Unit with One Expansion Backplane (separated for clarity)

I/O Modules

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.

A

B

C

D

E

F

G

H