SCP401-11 Yokogawa Processor Module

Overview

The SCP401-11 Yokogawa Processor Module is a crucial component designed for high-performance and reliable system control. It is capable of synchronizing with V net or IRIG-B clocks, ensuring precise timing across various systems. This module supports dual-redundancy configurations, offering enhanced system resilience and stability, with automatic program synchronization in standby status.

Technical Specifications

• Clock Compatibility: Synchronizes with either V net clock or IRIG-B clock.
• Dual-Redundancy: Automatically copies program data when paired in a dual setup, ensuring seamless standby functionality.
• Module Status Indicators: CTRL LED displays operational readiness (standby or active), with additional front lamp indicators for easy status assessment.
• V net Coupler Connection: Supports direct V net coupler cable connections for streamlined communication setup.
• Battery Management: Includes BATTERY ON/OFF control for safe handling during module insertion and removal.
• Diagnostics: Error monitoring via the SCS state management window and SENG diagnostic window to ensure system integrity.

Removal Procedure

1. Confirm the CTRL LED on the processor module is OFF (indicating standby mode). If ON, toggle the START/STOP switch to turn it OFF.
2. Disconnect the V net coupler cable from the module’s front and then remove the secondary V net coupler cable.
3. Loosen the securing screws and carefully pull the module straight out.

Installation Procedure

• Ensure the replacement module has the same domain and station numbers as the original.
• Set the BATTERY ON/OFF switch to OFF.
• Insert the module securely into the base unit’s slot, aligning with the backboard connection.
• Tighten the securing screws.
• Reconnect the V net coupler cable to the module’s front, followed by the secondary cable.
• Switch the BATTERY ON/OFF to ON.
• Confirm module operation by checking the front lamps or SCS state management window. Verify any error messages in the SENG diagnostics.