05701-A-0361 | Honeywell Engineering Card

Overview

The Honeywell Engineering Card (Part Number 05701-A-0361) is used in the System 57 rack to provide a common interface for commissioning and operating each control card. It allows users to monitor, adjust, and validate system components while ensuring smooth operation.

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Key Features

• Self-Validation
  The Engineering Card continuously validates its circuit components, software, and backplane communications. This ensures that the system operates without issues and helps identify potential problems early.
• Front Panel Components
  The front panel includes tactile push buttons for easy operation, LEDs to indicate rack power and communication status, and a mini DIN socket. This socket connects to external devices such as a serial printer, computer, or engineering key. The engineering key unlocks functions that can alter control card operations.
• Rack Integration
  The card is always installed in the right-hand slot of the rack and performs several vital tasks, including:
  • Routing the 24V DC input from the DC Input Card to the backplane
  • Providing backplane serial communications control and monitoring
  • Offering a time and date reference
  • Facilitating an RS232 external engineering interface
• Functionality Based on Security Level
  Depending on the security level, the Engineering Card allows users to perform the following tasks:
  • Monitor and adjust catalytic sensor head current
  • Check, adjust, and test alarm set points
  • Calibrate sensor signal zero and span
  • Set sensor life monitoring values
  • Monitor sensor lines
  • Enable control card alarm inhibit
  • Check and adjust the system clock
• Self-Validation for Reliability
  The Engineering Card also performs self-validation for its components, software, and backplane communications to ensure high reliability.

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Optional Modules

The Engineering Card can be equipped with one of four optional modules:

1. Master Alarm Update Module
   This module alerts users when a new alarm occurs, even if previous alarms are still active.
2. Event Printing Module
   Provides time-stamped reports on alarms, faults, and system status at regular intervals.
3. Modbus Interface Module RS422/485
   Allows digital communication between the System 57 Control System and an external computer system using the RS422/485 serial data format and Modbus protocol.
4. Modbus Interface Module RS232
   Enables digital communication between the System 57 Control System and an external computer using the RS232 serial data format and Modbus protocol.

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