Main Processor Module
39
Chapter 3
System Description
Logic Power Connections
The MP Baseplate provides redundant, fused logic power connectors for the MP
and I
⁄
O modules, which are directly connected to the MP Baseplate.
Main Processor Alarm Connections
Alarms are asserted when the controller detects either a system alarm or a program
alarm. Each MP contains a set of redundant alarm solid-state relays. The relays are
normally closed and are connected in series between MPs.
A system alarm indicates a fault in the controller, its power supplies, or field input.
A program alarm indicates a problem detected by the control application. For more
information on program alarms, see the
TriStation 1131 Developer’s Guide
.
Feature
Specification
Logic power
125 W, maximum
Fuse
8 A, slow-acting
Blown fuse indicator
20 mA
Содержание Trident
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Страница 128: ...112 Input Output Modules Trident Planning and Installation Guide Model 2451 Solid State Relay Output Baseplate ...
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Страница 145: ...Guidelines 129 Chapter 4 Installation and Maintenance Depth Dimensions for Baseplate and Module ...
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