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Honeywell FC-IOCHAS-0001R I/O Chassis for Redundant Module

The Honeywell FC-IOCHAS-0001R, also cataloged as the IOCHAS-0001R I/O Chassis, operates as a dedicated hardware component for redundant I/O module mounting and power distribution within Honeywell safety control system chassis platforms.

Hardware Specifications

Parameter	Specification
Model	FC-IOCHAS-0001R
Spare Model	IOCHAS-0001R
Brand	Honeywell
Product Type	I/O Chassis for Redundant Module
Origin	USA
Weight	7.6 kg
Dimensions	48.2 x 30 x 22 cm
Operating Temp	-40 deg C to +70 deg C
Storage Temp	-50 deg C to +85 deg C
Humidity	5-95% RH, condensing
Vibration	5g @ 10-500 Hz, IEC 60068-2-6
Input Voltage	24 VDC (18-36 VDC)
Power Consumption	35 W base, 400 W fully loaded
I/O Capacity	Supports up to 9 pairs of redundant I/O modules
Slot Power Output	5V-1: 35 mA (IO-0001 slot 20); 5V-2: 35 mA (IO-0001 slot 21)
Approvals	CE, UL, CSA, TUV, FM

Channel Isolation and Process Control Interface

The FC-IOCHAS-0001R provides the physical chassis structure for redundant I/O module installation and power distribution. In addition, the chassis supports Honeywell process control architectures where field interface modules require stable backplane power and organized signal routing.

Because the chassis is designed for redundant module configurations, it maintains separated module positions and power paths for fault-tolerant I/O arrangements. Furthermore, the hardware supports process control installations that use channel-to-channel isolation strategies at the connected I/O module level.

The chassis itself does not perform signal conversion or protocol processing. Instead, it provides the mechanical mounting and electrical infrastructure required by compatible Honeywell I/O modules.

Frequently Asked Questions

Q: How many redundant I/O module pairs can the FC-IOCHAS-0001R chassis accommodate?
A: The chassis supports up to 9 pairs of redundant I/O modules according to the specified hardware configuration.

Q: What power input range does the FC-IOCHAS-0001R require?
A: The chassis operates from a 24 VDC input supply with an acceptable range of 18-36 VDC.

Q: Can the FC-IOCHAS-0001R process field signals directly?
A: No. The chassis provides module mounting and power distribution functions. Signal processing requires compatible Honeywell I/O modules installed in the chassis.

Field Installation Guidelines

Install the FC-IOCHAS-0001R inside an approved control cabinet with sufficient mechanical support for the 7.6 kg chassis weight. Verify that the cabinet environment remains within the specified temperature, humidity, and vibration limits before operation.

Connect the 24 VDC power supply using industrial wiring practices. Maintain proper separation between power conductors and field signal cables to reduce electrical interference. Ensure that cable shields follow the grounding requirements defined by the Honeywell control system installation manual.

Before inserting I/O modules, inspect the chassis connectors and module slots for contamination or mechanical damage. Confirm that all modules are correctly seated and that redundant module pairs are installed according to the system configuration requirements.

Verify chassis grounding, power polarity, and backplane connections before energizing the system. Perform a final inspection of module alignment and cabinet airflow conditions during commissioning.

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