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Honeywell documentation identifies FS-IOB-0001R as the redundant backplane assembly for IOCHAS-0001R.
Product overview:
FS-IOB-0001R provides the electrical foundation for paired redundant I/O modules in the Safety Manager R chassis.
Odd-slot and even-slot connections follow different processor paths, so the original labeling and cable separation must be maintained.
Verified resources for FS-IOB-0001R:
Verified specifications for FS-IOB-0001R:
Typical applications:
The backplane is intended for redundant module pairs and should be serviced as part of the complete IOCHAS-0001R assembly.
Safety and compliance:
Replacement work requires controlled documentation of both processor paths to prevent crossed or incorrectly paired safety I/O connections.
Performance and efficiency:
The backplane supports efficient redundant channel organization while keeping the two controller communication paths distinct.
FS-IOB-0001R is a non-conformal-coated redundant i/o backplane for the Honeywell Safety Manager platform. FS-IOB-0001R supports eighteen I/O positions arranged as redundant pairs and provides two IO-0001 extender connections for slots 20 and 21.
The backplane separates I/O bus 1 and I/O bus 2 for their respective control processors while distributing system cables, converter connections, internal and external power, addressing and watchdog signals. Confirm the complete redundant chassis wiring before replacement.





