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Bently Nevada 135489-02 is a Relay Output Module in the 3500 Series mechanical protection system designed to convert vibration/displacement overlimit signals into physical relay contact outputs to trigger device shutdown or alarm. It is the safety execution terminal of key industrial equipment such as steam turbine and compressor.

Key functions and technical features

The central role

Receive alarm/danger signals from the 3500 monitor module (e.g. 3500/42M vibration monitor) and drive the relay to close or disconnect.

Output 4 groups of independent relay contacts (normally open/normally closed configurable), direct control:

Emergency shutdown solenoid Valve (ESD)

Sound and light alarm

DCS signals in the control room

Specification of relay

Parameter specification

Contact type Single pole double throw (SPDT)

Contact capacity 250V AC/30VDC, 5A (resistive load)

The response time was ≤10ms

Electrical life 100,000 operations

Module identity resolution

135489: Basic model (Relay output module)

-02: Hardware version number (2nd generation optimized design)

Physical Characteristics:

Width: single slot (1 slot in 3500 rack)

Status light: green (run)/red (action) LED per channel

Bently 135489-02 Relay module

Bently 135489-02 Relay module

Bently 135489-02 Relay module

Bently 135489-02 Relay module

Bently 135489-02 Relay module

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