Description
Technical Specifications
- Product Model: 3500/32，Part No: 125712‑01
- Brand: Bently Nevada (Baker Hughes)
- Warranty: One Year
- System: 3500 Machinery Protection Rack
- Power: Powered by 3500 rack back‑plane; redundant 24 V DC supported; typical power consumption 3.8 W
- Relay Channels: 4 independent SPDT (Form‑C) isolated relay outputs; Common / NO / NC contacts per channel
- Contact Rating: 5 A @250 V AC；5 A @30 V DC; epoxy sealed relay with arc‑suppression
- Logic Mode: Each relay individually configurable: Normally‑Energized (NE, fail‑safe) / Normally‑De‑energized (ND); supports AND / OR voting logic for multi‑channel alarm conditions
- Response Time: Relay action ＜ 10 ms
- Operating Temperature: ‑20 °C ~ +70 °C; 5‑95 %RH non‑condensing
- Storage Temperature: ‑40 °C ~ +85 °C
- Protection Class: IP20 full‑height rack slot module; hot‑swap capable
- Indicators: Rack‑bus Transmit / Receive LED; per‑channel alarm status LED
- Mechanical: 241 mm × 24.4 mm × 242 mm; weight approx. 0.50 kg
- Field Wiring: Connects via rear terminal block assembly
Product Overview
3500/32 (125712‑01) is 4‑channel programmable relay output module for 3500 TSI rack. It receives Alert / Danger / Not‑OK status from monitoring cards, drives isolated hard‑contact outputs for external alarm lamps, PLC DI, ESD interlock and turbine trip circuits. Each relay supports independent voting logic, multiple monitor‑channel conditions can be combined to trigger one relay.
Important notes:
- Hot‑swap supported; may insert / remove while rack powered.
- No sensor measurement functions; purely relay output board.
- Distinction: 3500/32 = 4‑channel relay; 3500/33 149986‑01 = 16‑channel relay.
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