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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