Brand: Bently Nevada Description: 81546-01 Condition: Brand New Certificate: COO TEST REPORT WARRANTY LETTER Warranty: 1 year Inventory Qty: 11 Payment Term: T/T Shipping Port: Shenzhen Bently Nevada 81546-01 Designed to interface discrete field-sensor inputs (e.g. limit switches, loss-of-speed sensors, external trip contacts) into the 3500 rack’s digital bus as relay-driven contact closures.
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Manufacture |
Bently Nevada |
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Model Number |
81546-01 |
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Ordering Number |
81546-01 |
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Catalog |
3300 |
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Description |
SIGNAL INPUT RELAY CARD |
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Country Of Origin |
USA |
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HS CODE |
85389091 |
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Dimension |
9*14*4 (CM) |
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Weight |
0.5 kg |
Ordering Information
Part Number: 81546-01
Description: Signal Input Relay Card for Bently Nevada 3500 Series racks
Series Compatibility: Fits 3500/3700 backplane (¼-rack slot)
Replaces: 81546-00 (earlier revision)
Technical Parameters
Input Channels: 8 independent signal-input circuits
Relay Outputs:
8 × Form A (SPST) dry contacts for Bently Nevada 81546-01
Contact Rating: 3 A @ 250 VAC / 3 A @ 30 V DC (resistive)
Input Voltage Range: 5 – 30 V DC for pull-in; 1 – 3 mA pick-up current
Operate/Release Time: ≤ 10 ms from input activation to contact closure
Isolation: 1 kV channel-to-chassis in Bently Nevada 81546-01 between input circuits
Indicators: Front-panel LED per channel
Power Consumption: 24 V DC via backplane, ≤ 2 W
Environmental:
Operating Temp: 0 °C to +70 °C
Storage Temp: –40 °C to +85 °C
Humidity: ≤ 95 % RH non-condensing
Product function
Bently Nevada 81546-01 conditions discrete DC input signals from field contacts/sensors and drives internal relays. Provides galvanic isolation between field inputs and rack electronics for robust noise immunity. Routes signals into 3500 bus for protection logic and trip sequences.
Application Areas
Machine-Safety Interlocks: Feeding external safety-switch statuses via Bently Nevada 81546-01 into rack logic
Auxiliary Monitoring: Integrating loss-of-lubricant or flow-fault contacts
Remote Trip Inputs: Plant-wide shutdown relays driving trip logic
Process Control Integration: Capturing discrete alarms for event logging
OEM Skids & Panels: Embedded interfaces featuring Bently Nevada 81546-01
