Description 149992-01 Bently 3500/33 16-Channel Relay Module Product Dimensions: Product Description (Detailed Explanation) The 149992-01 provides the physical connection points for the relay contacts used to trigger alarms, annunciators, or machine trip circuits. Internal Termination: This specific part number represents the Internal Termination version. This means that field wiring from the control room or emergency shutdown system (ESD) is connected directly to the screw terminals on this module at the back of the 3500 rack. Highly Configurable: While the front 3500/33 module processes the logic (vibration levels, setpoints, voting logic), the 149992-01 I/O module executes the physical switching. Relay Logic: It supports “Normally Open” (NO) and “Normally Closed” (NC) configurations, which are defined by the physical wiring and software settings. Product Parameters (Technical Specifications) Parameter Category Specification Number of Channels 16 Independent Relay Channels Relay Type Single-Pole, Double-Throw (SPDT) Max Switching Voltage $250 V AC$ / $125 V DC$ Max Switching Current $2 A$ DC / $5 A$ AC (Resistive) Contact Life 100,000 cycles at rated load Environmental $-30^circ C$ to $ 65^circ C$ operating range Mounting Rear slot of 3500 rack (Full-height) Termination Style Euro-style screw terminals Product Advantages (Key Benefits) High Density: Provides 16 relays in a single rack slot, maximizing the efficiency of the 3500 rack footprint. Voting Logic Flexibility: When combined with the 3500/33, it supports complex voting logic (e.g., 1-out-of-2, 2-out-of-3) to prevent nuisance trips while ensuring safety. Non-Volatile Memory: Configuration is stored in the 3500/33 module; the I/O board is a rugged interface designed to withstand long-term industrial use. Safety Integration: Built to meet SIL (Safety Integrity Level) standards when used in a properly configured safety instrumented system (SIS). Precautions (Important Notes) Arc Suppression: When switching inductive loads (such as large solenoid valves or motor starters), external arc suppression (snubbers) must be installed to prevent contact welding or premature failure. Current Limits: Ensure the total current across all 16 relays does not exceed the thermal limits of the backplane. Wiring Safety: Hazardous voltages (up to $250 V AC$) may be present on the terminals. Ensure the rack power is off and all field circuits are de-energized before handling the module. Relay States: Be aware of the “Fail-Safe” vs. “Non-Fail-Safe” software settings. In “Fail-Safe” mode, the relay is energized during normal operation and de-energizes to trip. Product Applications (Typical Use Cases) The 149992-01 is used whenever a 3500 system needs to talk to the “outside world” to perform an action: Machine Auto-Trip: Automatically shutting down a turbine or compressor when vibration, position, or temperature exceeds dangerous limits. Annunciator Panels: Triggering local or remote visual and audible alarms in a control room. DCS/PLC Interfacing: Providing dry contact inputs to a Distributed Control System to signify “Alert” or “Danger” statuses. Emergency Shutdown (ESD) Integration: Integrating machinery protection into the plant-wide safety shutdown logic. Shipping Port: Xiamen, China Payment: Bank of Chicago, Bank of Singapore Express cooperation: fedex, DHL, UPS and your express account Service: Professional Sales provides 24 hours /7 days online service Please make an inquiry for more models: Bently 125720-01 BENTLY 21000-16-10-00-256-13-02 BENTLY 128229-01 BENTLY 3300/16 BENTLY 172323-01/172362-01 BENTLY 3300/20 BENTLY 19047-01 BENTLY 3300/36 BENTLY 3300/55-04-04-18-18-00-00-05-01 BENTLY 3300/40 BENTLY 330103-00-04-10-02-00 BENTLY 3300/45 Bently 330103-00-06-10-02-00 BENTLY 3300/47 BENTLY 330104-00-05-10-02-CN BENTLY 3300/48 BENTLY 330104-00-06-10-02-00 BENTLY 3300/55 BENTLY 330106-05-30-10-02-00 BENTLY 3300/61 BENTLY 330130-040-00-00 BENTLY 3300/65 BENTLY 330130-045-00-00 BENTLY 330101-00-48-10-02-05 BENTLY 330180-91-00 BENTLY 330103-00-03-05-02-05 BENTLY 330180-X0-05 BENTLY 330103-00-04-05-02-00 BENTLY 330500-02-00 BENTLY 330103-00-04-10-02-00 BENTLY 33A3BEPM-W4 BENTLY 330103-00-05-10-02-00 BENTLY 33A3BEPM-Z2 BENTLY 330103-00-06-10-02-00 BENTLY 3500/22-01-01-01 BENTLY 330103-00-08-10-02-00 BENTLY 3500/22M BENTLY 330103-00-15-10-02-00 BENTLY 3500/22M BENTLY 330104-00-04-10-02-00 Bently 3500/32 BENTLY 330104-00-06-10-02-00 BENTLY 3500/42M BENTLY 330104-00-08-10-02-00 BENTLY 3500/45-01-00 BENTLY 330104-00-15-10-02-05 BENTLY 3500/53-03-00 BENTLY 330104-00-15-10-02-CN BENTLY 3500/53-03-00 BENTLY 330104-05-10-10-02-CN BENTLY 3500/92 BENTLY 330104-08-16-05-02-05 BENTLY 3500/94 BENTLY 330105-02-12-10-02-00 BENTLY 3503E BENTLY 330105-02-12-10-02-05 BENTLY 369-HI-R-0-0-0-0 BENTLY 330106-05-30-05-02-00 BENTLY 125720-01 BENTLY 330106-05-30-10-02-00 BENTLY 125760-01 BENTLY 330130-040-00-00 BENTLY 125768-01 BENTLY 330130-040-00-CN BENTLY 125800-01 BENTLY 330130-040-01-00 BENTLY 125800-01125768-01 BENTLY 330130-040-01-05 BENTLY 125800-013500/25149369-0 BENTLY 330130-040-02-00 BENTLY 125840-01 BENTLY 330130-045-00-00 BENTLY 128229-01 BENTLY 330130-080-00-00 BENTLY 128229-0195 BENTLY 330130-085-00-05 BENTLY 133323-01 BENTLY 330180-50-00 BENTLY 133396-01 BENTLY 330180-51-00 BENTLY 133442-01 BENTLY 330180-51-05 BENTLY 133442-013500/50 BENTLY 330180-90-00 BENTLY 135473-01 BENTLY 330190-040-01-00 BENTLY 135489-04 BENTLY 330194-13-20-10-00 BENTLY 136188-02 BENTLY 330500-01-04 BENTLY 136703-01 BENTLY 330500-02-00 BENTLY 146031-01 BENTLY 330703-000-060-10-02-00 BENTLY 149992-01 BENTLY 330703-00-80-10-02-00 BENTLY 1X35869 BENTLY 330704-000-060-10-02-00 BENTLY 21000-16-10-00-256-03-02 BENTLY 330709-000-060-10-02-00





