Description Meta Description Get technical specs, stocking rules, and alternative strategies for the Bently Nevada 3500/33-01-CN 16-channel relay module. Secure New Surplus units today. Technical Profile & Inventory Strategy: Bently Nevada 3500/33-01-CN Version 1: Standard SEO Review Style By looking at the backplane configuration of an active 3500 rack, you can tell the 3500/33-01-CN is a critical execution node for machinery protection loops. This specific part number represents the 16-channel relay module equipped with internal terminations and complies with Chinese mainland sourcing/certification specifications (indicated by the -CN suffix). It functions as a primary interface between monitored vibration parameters and emergency shutdown systems. It reads alarm statuses from adjacent monitor modules across the 3500 backplane and changes state based on programmed voting logic (e.g., 1oo2, 2oo3). [3500 Backplane Bus] ──> [3500/33-01-CN Logic Engine] ──> [16x Form C Relays] ──> Emergency Trip Circuit Parameter: Value Specifications Module Type: 16-Channel Relay Module Ordering Option (-01): 16-Channel Output Module with Internal Terminations Regional Code (-CN): China Specific Certification / Documentation Package Relay Type: Epoxy-sealed, Single-Pole, Double-Throw (SPDT) Form C contacts Contact Rating (Resistive): 5 A @ 24 Vdc / 240 Vac (Maximum operational limits) Switching Response Time: Less than 15 ms from backplane command to contact state change Power Consumption: 5.8 W maximum typical draw from the rack power supply Slot Requirements: Requires one full-height slot; installs anywhere except slots 1 and 2 -------------------------------------------------------------------------- | 3500/33-01-CN FACEPLATE VIEW | | | | [ OK LED ] Steady Green: Module operating normally | | [ TX/RX LED ] Flashing Amber: Communicating with rack backplane | | [ CH LEDS ] 16x Individual Red LEDs indicating energized relays | | (CH 1 through CH 16 stacked vertically) | -------------------------------------------------------------------------- Operating this hardware requires tracking physical wear. Because these are mechanical relays prone to contact degradation over hundreds of thousands of cycles, keeping active replacements on hand is an absolute operational requirement. We do not recommend this module for safety instrumented functions requiring SIL-3 certification without an external triple-modular redundant configuration—the single card itself represents a single point of failure if your voting logic is poorly assigned. Bently Nevada 3500/05-01-03-02-00-01 Machinery Protection System Rack Bently Nevada 330106-05-30-10-02-00 8mm Proximity Probe Bently Nevada 9200-01-01-10-00 Seismoprobe Velocity Transducer Bently Nevada 177230-01-01-05 – Vibration Monitoring Sensor