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Honeywell hardware references list FC-IOCHAS-0001R for conformal-coated redundant Safety Manager I/O configurations.
Product overview:
FC-IOCHAS-0001R provides the mechanical and backplane structure for redundant Safety Manager I/O modules in a conformal-coated configuration.
The odd/even slot arrangement is fixed by the redundant architecture, and slot 19 remains unavailable for an I/O module.
Verified resources for FC-IOCHAS-0001R:
Verified specifications for FC-IOCHAS-0001R:
Typical applications:
The chassis is selected when both redundant I/O topology and conformal-coated hardware are required by the project specification.
Safety and compliance:
Maintain the approved paired-module map and verify all chassis, extender and power connections before returning the safety system to service.
Performance and efficiency:
The chassis organizes redundant field channels efficiently while preserving the two independent I/O communication paths.
FC-IOCHAS-0001R is a conformal-coated redundant i/o chassis for the Honeywell Safety Manager platform. This conformal-coated chassis provides 21 positions for redundant Safety Manager I/O, including paired slots 1 through 18 and IO-0001 extender locations in slots 20 and 21.
FC-IOCHAS-0001R routes the odd and even I/O positions to separate processor paths and is intended for projects that specify conformal-coated hardware. Confirm rack dimensions, paired module allocation, redundant bus assemblies, power distribution and project approvals before installation.





