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ROC364 Instruction Manual

2-1 Master Controller Unit, I/O Module Rack, and Wiring Rev Jun/05

SECTION 2 – MASTER CONTROLLER UNIT, I/O MODULE

RACK, AND WIRING

2.1 Scope

This section describes the core of the ROC364 components, including the Master Controller Unit

(MCU), the FlashPAC module, wiring, the I/O Module rack, the backplate, and the front panel. Topics

covered include:

Section

Page

2.2 Product Description 2-1

2.3 Installation 2-7

2.4 Connecting the MCU to Wiring 2-9

2.5 Troubleshooting and Repair 2-12

2.6 ROC364 Specifications 2-20

2.2 Product Description

The following subsections describe components of the ROC364 including the Master Controller Unit,

FlashPACs, Diagnostic Analog Inputs, Auxiliary Discrete Outputs, I/O Module Rack, and Backplate.

2.2.1 Master Controller Unit

The Master Controller Unit (MCU) is the “brain” of the ROC. Figure 2-1 displays MCU. The MCU

consists of:

♦ NEC V25+ microprocessor. ♦ I/O converter card connector.

♦ On-board memory. ♦ I/O module rack connector.

♦ FlashPAC module sockets. ♦ Diagnostic Analog Inputs.

♦ Operator Interface port. ♦ Auxiliary Discrete Outputs.

♦ Local Display port. ♦ Status indicators.

♦ Communications ports. ♦ Metal housing.

♦ Power fusing and terminations.

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