Bently Nevada 125680-01 Proximitor I/O Module
The internal-termination I/O module ordered as the spare interface for a 3500/40M Proximitor Monitor.
Overview
125680-01 is the Proximitor I/O Module with internal terminations listed for the Bently Nevada 3500/40M monitor platform.
The manufacturer identifies it as a spare used with 3500/40M monitor 176449-01. The exact I/O-module number, monitor identity and field-terminal arrangement should be retained together.
Internal-termination connector headers are documented separately; field wiring and channel configuration must be recorded before an I/O-module exchange.
Specifications
Features
Internal terminations provide the rear field-interface boundary for the matched monitor.
The dedicated spare number separates this module from external-termination and other 3500 I/O variants.
Documented connector headers support controlled maintenance of the termination interface.
The host monitor reference provides a second identity check during receiving.
Applications
- Replacement rear I/O for a documented 3500/40M monitoring channel set.
- Rack maintenance where internal terminations are retained.
- Spare planning tied to 176449-01 monitor hardware.
Lifecycle
- Export the rack configuration and label each field conductor before removal.
- Confirm the host monitor, rack slot and internal-termination arrangement.
- Inspect connector headers and terminal hardware for bent contacts or heat damage.
- After exchange, verify each channel, OK status, alarms, relays and the approved machinery-protection proof test.
FAQ
Q01Can 125680-01 be selected only from the 3500/40M family name?+
No. Confirm the exact host monitor and that the installed rear I/O uses internal terminations rather than another termination style.
Q02Is 125680-01 the 3500/40M front monitor?+
No. It is the rear Proximitor I/O Module; the associated 3500/40M monitor spare is identified separately as 176449-01.
Q03What should accompany a 125680-01 enquiry?+
Provide rack and slot details, monitor label, rear I/O label, terminal photographs, configured transducer types and required connector headers.
Q04Can field wires be moved without a channel record when replacing 125680-01?+
No. Preserve terminal designations, shield treatment and channel mapping, then verify them against the rack configuration.
Q05What testing is appropriate after installing 125680-01?+
Check channel OK states, bias or gap values, dynamic signals, alarm and relay behavior, and the site-approved protection proof test.
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