The Honeywell 10302/2/1 is a Watchdog Repeater (WDR) module designed for use within the Fail-Safe Controller (FSC) system. This module serves a critical role in monitoring the 5 Vdc and 24 Vdc power supplies provided to I/O modules. It ensures system integrity by transmitting a secure watchdog signal to output modules, maintaining fault-tolerant control in safety-critical environments.
| Model | 10302/2/1 |
| Function | Watchdog Repeater Module |
| Power Requirements (5 Vdc) | 35 mA |
| Power Requirements (24 Vdc) | 25 mA |
| Space Requirements | 4 TE, 3 HE (4 HP, 3U) |
| Connector Type | DIN 41612, Type F |
| Software Version | >= 3.00 |
| Approvals | CE, TUV, UL |
The 10302/2/1 acts as a watchdog repeater to monitor power supply integrity (5 Vdc and 24 Vdc) and relay watchdog signals to output modules, ensuring fault-tolerant operation in FSC systems.
It is required in configurations where the watchdog current exceeds 900 mA, when 24 Vdc supply voltages can exceed 31.0 Vdc, or when combining redundant and non-redundant I/O configurations.
The module requires a 5 Vdc supply at 35 mA and a 24 Vdc supply at 25 mA for operation.
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