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Honeywell FC-IOCHAS-0002R I/O Chassis

Configured for I/O module mounting and power distribution in Honeywell Safety Manager systems, the Honeywell FC-IOCHAS-0002R (FC-IOCHAS-0002R I/O Chassis) provides a 19-inch rack platform with redundant power supply accommodation and electrical backplane integration.

Hardware Specifications

Parameter	Specification
Model	FC-IOCHAS-0002R
Brand	Honeywell
Product Type	I/O Chassis
Origin	USA
Weight	1.98 kg
Dimensions	5.5 x 38.5 x 18 cm (estimated shipping size)
Operating Temp	-40 deg C to +70 deg C
Storage Temp	-50 deg C to +85 deg C
Power Consumption	Supports system load through installed 24 VDC power supply modules
Form Factor	19-inch standard rack width
Slot Capacity	21 I/O module slots
Power Supply Support	Up to 2 redundant power supply modules
Operating Voltage	24 VDC +/-10%
Humidity Range	5-95% RH, non-condensing
Vibration Resistance	5-500 Hz, 2 g RMS (IEC 60068-2-6)
Shock Resistance	30 g peak, 11 ms
Tariff Code	8537101190

Process Control Backplane and Isolation Architecture

The Honeywell FC-IOCHAS-0002R provides mechanical support and electrical interconnection for Safety Manager I/O modules. The chassis distributes DC power and maintains module-to-backplane communication paths through the internal rack structure.

Additionally, the chassis design supports Honeywell process control architectures that integrate field signal modules using 4-20 mA HART loop protocol, FOUNDATION Fieldbus, and Profibus PA communication interfaces. The rack assembly maintains channel-to-channel isolation requirements through compatible I/O modules, reducing signal interference between field circuits.

The 21-slot configuration allows I/O density scaling according to system design requirements. Furthermore, the redundant power supply arrangement supports continuous rack operation by accepting up to two power supply modules.

Frequently Asked Questions

Q: How many power supply modules can the FC-IOCHAS-0002R accommodate?
A: The FC-IOCHAS-0002R chassis supports up to two power supply modules for redundant power configuration.

Q: Does the FC-IOCHAS-0002R include I/O modules?
A: No. The FC-IOCHAS-0002R provides the rack structure, slot interfaces, and internal connections. Compatible Honeywell I/O modules must be installed separately.

Q: What environmental conditions support FC-IOCHAS-0002R installation?
A: The chassis supports an operating temperature range from -40 deg C to +70 deg C and storage conditions from -50 deg C to +85 deg C.

Field Installation Guidelines

Install the FC-IOCHAS-0002R inside a compatible 19-inch industrial rack enclosure. Verify mechanical alignment before securing the chassis to prevent slot interface stress.

Connect the 24 VDC supply wiring according to the approved Honeywell system installation documentation. Use proper cable separation between power wiring and low-level field signal wiring to reduce electromagnetic interference.

Ground the rack enclosure and cable shields according to site electrical standards. Confirm that installed I/O modules match the approved Safety Manager configuration before system commissioning.

Maintain adequate airflow around the chassis and avoid blocking ventilation paths. Inspect backplane connectors for contamination or mechanical damage before inserting modules.

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