Bently Nevada 125720-01 3500/32 Machinery Protection Relay

Bently Nevada 125720-01 3500/32 Machinery Protection RelayBently Nevada 125720 01 3500 32 4 Channel Relay I O Module Configured for alarm and machinery shutdown logic execution in Bently Nevada 3500 Series Machinery Protection Systems, the Bently Nevada 125720 01 (3500 32 4 Channel Relay I O Module) provides direct physical electrical execution. The half height component maps software configured alert and danger states from adjacent rack monitors into four independent discrete dry contact outputs. These Form

It serves as the dedicated communication link between primary and standby PLC racks

The module provides processing pathways for rotor dynamics calculations and synchronous vector tracking during turbine start-up and steady-state phases

This communication card establishes the primary network bridge between independent Process Control Units (PCU) and the high-speed Infinet plant loop

What causes the "Output" LED to turn on

System Diagnostics: Undervoltage detection for field supply and over-temperature monitoring

Parameter Specification Details Manufacturer Honeywell Automation Model Designation TK-PRS021 Primary Ordering Part Number 51404305-275 Secondary PCB Internal Reference 51309283-200 Module Classification Control Processor Unit (CPU) Onboard Active User Memory 4 Megabytes High-Speed Non-Volatile RAM Redundancy Architecture Fully synchronized hardware pairing with sub-millisecond failover Network Protocol Interfacing Foundation Fieldbus

Operating Temperature: Compatible with standard M1 system range (−30 °C to +60 °C)

it preserves the integrity of the loop wiring and prevents accidental short circuits during service

and positioning systems

This makes the module an industry standard for Emergency Shutdown (ESD) and Fire and Gas (F&G) applications

Parameter Specification Model CP461-10 Brand YOKOGAWA Origin Japan Weight 0

Signal Range: 4–20 mA DC