10302/2/1 Honeywell Watchdog Repeater Module

Description:

10302/2/1is watchdogRepeater (wR) modlue by Honeywel,cdesigned forincustrial monitoring systems,ILprovides secure woatchdog signol transmisson.ensuring foul-tolerant control in safety-critical applications.

It ensures system integrity by repeating the watchdog signal to non-redundant I/0 modules and extending the watchdog timer.It supervises multiple power supplyconfigurations and ensures fail-safe responses by generating watchdog outputsignals when abnormal conditions occur.

Engineers deploy the 10302/2/1 in redundant and mixed I/O architectures to monitor 5 VDC and24 VDC power sources, prevent overvoltage faults, and supportwatchdog currents above 900 mA. With its robust design, industrial certifications,and flexible mounting, it plays a critical role in maintaining continuous operation insafety-critical environments.

Specifications:

Product No. : 10302/2/1
ApprovalS: CE, TUV, UL
Power Reguirements:
5 VDC, 35 mA(excluding WDROUT current)
24 VDC,25 mA
WDGl + WDG2 Input Current: 0.1 mA
Space Requirements: 4 TE, 3 HE (4 HP, 3U)
Module Code: Holes A5, A9
Rack Code:Large pins A5, A9
Pressure Range : 0-400bar(0-5800psi)
Total Accuracy : ± 0.15%FS(-10Cto+70C)
Output Signal : 4-20mA with HART 7
Process Connection : 1/2"Tri-Clamp or DIN1185
Wetted Materials : 316L SS, FKM seals
Response Time : <50 ms (90% step change)
Safety Certification : SIL2 (EC 61508)

Features:

• Real-Time Monitoring

Detects execution delays or system hang-ups. 

• Failsafe Output

De-energizes outputs during emergency shutdown (ESD) events. 

• S-BUS Integration

Seamless communication with FSC architecture. 

• Robust Design

Built for high-risk environments like oil & gas, chemical, and power sectors. 

• Compact Footprint

Space-efficient for dense cabinet installations. 

Frequently Asked Questions:

Q1: How to wire and configure?
A1: Wiring: The module typically needs to connect to the controller's operating status output signal (such as the PLC's "heartbeat signal") and its own relay output to safety devices (such as power cut-off and backup unit activation).

Configuration: Set the monitoring time interval (e.g., 1-30 seconds) via DIP switches or jumpers. If no pulse signal is received from the controller during this period, an action is triggered.

Q2: What to do after the watchdog is triggered?

A2: Check if the controller is operating normally .
Confirm that the "heartbeat signal" line between the controller and the module is intact.
Reset the watchdog module (manual reset is required for some models).
If frequent false triggers occur, the monitoring time may need to be adjusted or signal interference checked.

Datasheet Link:

10302/2/1 Honeywell Watchdog Repeater Module PDF Datasheet