Bently Nevada 3500/33 149992-01 16-Channel Relay Output Module
Technical Specifications
– Module format : full-height, single-slot, front plug-in
– Relay channels : 16 × SPDT (Form C)
– Contact rating : 5 A @ 24 Vdc / 120 Vac (resistive)
– Maximum switching voltage : 250 Vac / 30 Vdc
– Operate time : ≤ 10 ms (typical)
– Isolation : 1 500 Vrms coil-to-contact & channel-to-ground
– Power draw : 24 Vdc from rack back-plane, 5.8 W max
– MTBF : >300 000 h @ 45 °C per MIL-HDBK-217F
– Operating temperature : –40 °C to +85 °C
– Storage temperature : –40 °C to +85 °C
– Humidity : 95 % RH non-condensing
– Shock / vibration : 15 g ½-sine 11 ms; 2 g 5-500 Hz operational
– Dimensions : 120 mm × 240 mm × 55 mm
– Weight : 0.5 kg (1.1 lb)
– Connector : M12 circular (IP67)
– Housing : die-cast aluminium alloy
– Agency approvals : CE, UL/cUL Class I Div 2, ATEX/IECEx Zone 2, RoHS
– High-density outputs – 16 independent SPDT contacts in a single slot reduce panel space and wiring cost
– Flexible programming – each relay can be assigned any combination of Warning, Danger or OK status from any monitor channel; supports AND/OR logic and time delays
– Multiple output modes – normally-open, normally-closed, pulse, latching or non-latching selectable per channel
– Fail-safe capability – contact state on loss-of-rack-power selectable; supports energised-to-trip or de-energised-to-trip philosophies
– Hot-swap maintenance – module can be inserted or removed under power without disturbing rack operation or protection
– On-board diagnostics – front LEDs give instant visual feedback; detailed relay health, cycle count and contact wear data are reported over the rack Ethernet link
– Sealed & rugged – IP67 housing protects against dust, moisture and corrosive atmospheres (Class G3)
– Firmware flash – field-upgradeable through 3500 Rack Configuration Software in <3 min; rollback image stored for safety
– TMR ready – certified for use in Triple Modular Redundant racks where 2-out-of-3 voting is required
– Steam & gas turbine TSI cabinets – energise emergency stop solenoids, lift trip oil or annunciate overspeed alarms
– Offshore platform centrifugal compressors – drive fire & gas deluge valves, start standby pumps or send shutdown signals to DCS
– LNG refrigeration trains – isolate motor feeders on high vibration or differential expansion alarms
– Ethylene hyper-compressors – combine radial-vibration and temperature alarms through AND logic to initiate rod-drop shutdown
– Cross-country pipeline pump stations – redundant relay sets vote to trip motor starters on thrust-bearing failure
– Steel mill blast-furnace blowers – energise visual/audible stack lights for early warning of gear-tooth damage
– Wind-turbine test stands – switch brake calipers when tower vibration exceeds safe threshold
– Nuclear feed-water pumps – TMR relay set meets IEEE 338 requirements for safety-related actuation
The module slides into any full-height front slot; rear-mounted Euro-style or M12 connectors accept field wiring.
Captive screws provide chassis earth bonding and vibration resistance.
Front LEDs give immediate status indication; relay cycle counters and contact wear estimators are accessible through System 1 or any Modbus client.
Replacement takes <1 min with no need to power-down the rack or re-configure monitor set-points.
Backward- and forward-compatible with every 3500 monitor (3500/40M, 3500/42M, 3500/44M, 3500/45, 3500/46M, 3500/50, 3500/60, 3500/62, 3500/70M, 3500/72M, 3500/77M, 3500/90, 3500/92, 3500/93) and with 3500/22M TDI or legacy 3500/20 RIM modules.
Supported by System 1 v6.5 onward and by third-party OPC UA, Modbus and DNP3 clients.
350033-149992-01 – Standard 16-channel relay module, SPDT, conformal coat
350033-149992-02 – As above plus failsafe and isolated coil drive
350033-A01-B01 – TMR version for triple-redundant racks
350033-AXX-BXX – Full modular option table for contact material, firmware revision and hazardous-area certification
MAECENAS IACULIS
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Related products
BENTLEY 3500/65 145988-02
- Module Type: Keyphasor and Speed Monitoring Module
- Part Number: 145988-02
- System Platform: Bently Nevada 3500 Series Rack
- Input Channels: Accepts signals from one or two Keyphasor or speed sensors (configurable)
- Sensor Compatibility: Compatible with Bently Nevada proximity probes (e.g., 3300 series) and other active or passive speed sensors
- Frequency Range: 0.1 Hz to 20,000 Hz (suitable for low-speed to high-speed machinery)
- Speed Measurement Accuracy: ±0.05% of reading
BENTLY 3500/15 127610-01
- Power Supply Module:
- Input Voltage: 100–240 VAC, 50/60 Hz, 2 A.
- Output Voltage: 24 VDC (5.5 A max for single power supply; 7.5 A max for redundant setup).
- Power Capacity: 190–250 W (adjustable based on load).
- Operating Temperature: 0°C to 60°C (storage: -40°C to 70°C).
- Protection: Overload, short-circuit, and overvoltage protection.
- Certifications: Complies with CCC and industrial safety standards.
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