10005/1/1 Watchdog module, China 10005/1/1 Watchdog module Manufacturers, Suppliers, Factory

Overview

Place of Origin:	USA
Brand Name:	HONEYWELL
Model Number:	10005/1/1
Packaging Details:	Original new Factory Sealed
Delivery Time:	5-7 days
Payment Terms:	T/T
Supply Ability:	In stock

Specifications

Description	Specification
Model	10005/1/1
Part name	Watchdog module
Dimensions	2x18.6x12.9cm
Weight	0.15kg
Approvals	CE, TÜV, UL
Software versions	All
Space requirements	4 TE, 3 HE (4 HP, 3U)
Power requirements	5 V DC, 175 mA (without WDGOUT output current)
Ripple content	< 50 mV p-p
ESD1 input	24 V DC, 5 mA
Reset input	24 V DC, 10 mA
ESD2 input	5 V DC, 10 mA
Output current	900 mA (fuse 1 A), 5 V DC

Description

10005/1/1 is the core safety monitoring unit of the Honeywell FSC safety instrumented system, hailed as the system's "last line of defense." As a high-performance watchdog module, its primary function is to monitor the integrity of the central processing unit (CPU) and system software in real time. This module operates independently of the logic processor, ensuring the system remains under control by continuously monitoring status pulses from the core bus.

Applications

Oil Refineries: Core ESD logic monitor ensuring precise safety valve shutdown.

Fertilizer Plants: Monitors ammonia high-pressure loops with millisecond response to prevent runaway.

Nuclear Plants: Provides watchdog protection for safety systems and radiation monitoring loops.

Connections

For safety-relevant applications, the plant ESD can be connected directly to the WD module. In case of an ESD, the outputs will be de-energized independently from the processor. The watchdog module terminates on the front to the 10005/0/1 module or the S-BUS located on top of the Central Part rack.

Troubleshooting and Maintenance Recommendations

Troubleshooting: If the watchdog timer trips frequently, first check if the 5Vdc power supply ripple exceeds 50 mV p-p; if the output current is abnormal, verify if the internal 1A fast-blow fuse has failed due to a short circuit at the downstream end.

Maintenance Recommendations: It is recommended to periodically verify the system's remote reset function through the Reset input interface; keep the module's gold fingers and the baseboard slot clean, and ensure the input impedance of the 24Vdc field signal is stable.

FAQ

Q: Can the 10005/1/1 module be compatible with older FSC software systems?
A: Yes, it is fully supported and optimized for all software versions with strong compatibility.

Q: What are the power quality requirements for the 10005/1/1 watchdog module?
A: It requires 5 VDC supply with ripple below 50 mV p-p for accurate monitoring.

Q: What ESD input types does the 10005/1/1 support?
A: It supports ESD1 (24 VDC, 5 mA) and ESD2 (5 VDC, 10 mA) input signals.

Q: Will a short circuit at WDGOUT damage the 10005/1/1?
A: No, a 1A fuse protects the circuit and will blow if current exceeds 900 mA or short occurs.

Q: How much rack space does the 10005/1/1 require?
A: It occupies 4 TE width and 3 U height as a standard full-height module.