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ROC364 Instruction Manual

3-1 Input and Output Modules Rev Jun/05

SECTION 3 – INPUT AND OUTPUT MODULES

3.1 Scope

This section describes the Input/Output (I/O) Modules used with the ROC364 Remote Operations

Controller (ROC).

This section contains the following information:

Section

Page

3.1 Scope 3-1

3.2 Product Descriptions 3-1

3.3 Initial Installation and Setup 3-5

3.4 Connecting the I/O Modules to Wiring 3-5

3.5 Troubleshooting and Repair 3-21

3.6 Removal, Addition, and Replacement Procedures 3-28

3.7 I/O Module Specifications 3-30

3.2 Product Descriptions

The I/O modules plug into the ROC364 I/O module rack sockets and accommodate a wide range of

process inputs and outputs. The I/O module rack provides sockets for up to 16 I/O modules. Up to 64

I/O modules can be used in any combination of Discrete Inputs, Discrete Outputs, Analog Inputs,

Analog Outputs, and Pulse Inputs. A minimum of one rack is required for any ROC connected to field

I/O, and a maximum of four racks can be accommodated. The first rack plugs directly into the I/O

module rack connector on the bottom edge of the MCU. Additional racks plug into each other.

The following modules are available:

♦ Analog Input (AI) Loop ♦ Discrete Output (DO) Relay

♦ Analog Input (AI) Differential ♦ Pulse Input (PI) Source

♦ Analog Input (AI) Source ♦ Pulse Input (PI) Isolated

♦ Analog Output (AO) Source ♦ Slow Pulse Input (SPI) Source

♦ Discrete Input (DI) Source ♦ Slow Pulse Input (SPI) Isolated

♦ Discrete Input (DI) Isolated ♦ Low-Level Pulse Input (LLPI)

♦ Discrete Output (DO) Source ♦ Resistance Temperature Detector (RTD) Input

♦ Discrete Output (DO) Isolated ♦ Highway Addressable Remote Transducer (HART

®)

Interface

Below each I/O module socket is a plug-in terminal block for field wiring connections. The plug-in

terminal blocks permit removal and replacement of the modules without the need to disconnect field

wiring. I/O wiring terminal blocks accept up to 12-gauge American Wire Gauge (AWG) solid or

stranded copper wire. Figure 3-1 shows a typical I/O module.



NOTE: Use a standard screwdriver with a slotted (flat bladed) 1/8-inch width tip when wiring all

terminal blocks.

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Emerson ROC364 Bedienerhandbuch Seite 35