Honeywell FSC 10302/2/1 | Watchdog Repeater (WDR) Safety Logic Module

Product Description

The Honeywell 10302/2/1 Watchdog Repeater Module (WDR) is designed for Fail Safe Controller (FSC) systems, ensuring reliable watchdog signal management in complex power supply and I/O configurations. It is required in multiple-PSU setups, redundant/non-redundant I/O combinations, and when watchdog current demand exceeds standard thresholds. This module provides stable monitoring and output generation, supporting secure system operation in demanding industrial environments.

Key Features

• Manufacturer: Honeywell

• Model Number: 10302/2/1

• Type: Watchdog Repeater Module (WDR)

• Software Versions: ≥ 3.00

• Power Requirements:

• 5 VDC, 35 mA (without WDROUT output current)

• 24 VDC, 25 mA

• Input Current (WDG1 + WDG2): 0.1 mA

• Ripple Content: < 50 mV p-p

• Space Requirement: 4 TE, 3 HE (≈ 4 HP, 3U)

• Module Code: A5, A9

• Rack Code: A5, A9

• Weight: 0.12 kg

Application Scenarios

• Multiple PSU Configurations: Required for each additional 24 VDC to 5 VDC power supply unit (PSU 2, 3, 4)

• High Voltage Supplies: Needed when 24 VDC sources can exceed 31 VDC under fault conditions

• High Current Demand: Ensures watchdog reliability when current exceeds 900 mA

• Mixed I/O Architectures: Provides watchdog output for non-redundant I/O modules in combined redundant/non-redundant systems

• Central Part Monitoring: Used to supervise 5 VDC supplies when no direct monitoring is available

FAQ

Q: When is the 10302/2/1 module required?  A: It is required in multi-PSU setups, high current demand (>900 mA), and mixed redundant/non-redundant I/O configurations.

Q: What are the power requirements?  A: 5 VDC at 35 mA and 24 VDC at 25 mA.

Q: What is the ripple content specification?  A: Less than 50 mV peak-to-peak.

Q: How does it compare to standard watchdog modules?  A: The 10302/2/1 is specifically designed for redundant and complex configurations, offering extended monitoring and output capabilities beyond standard watchdog modules.