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Bently 3500/91M Enhanced EGD Communication Gateway

Technical Specifications:
  • Processor: 1 GHz ARM Cortex-A9 dual-core
  • Memory: 1 MB circular buffer, 256 MB flash
  • Ethernet: Dual 10/100/1000BASE-T with redundancy
  • Protocols: EGD v2.01, Modbus TCP/RTU, OPC UA, HTTP REST, BACnet/IP
  • Power: 7.4 W
  • Operating Temperature: –30 °C to +65 °C
  • Approvals: ATEX, IECEx, CSA, SIL 2 capable

Bently 3500/91-02-00 190782-01

Product Name: 3500/91-02-00190782-01 EGD Gateway – Serial RS-485 I/O, extended temperature, custom label
Product Introduction: RS-485 variant with extended temperature components and factory-applied customer label (00190782-01). Suitable for high-temperature or customer-specific documentation requirements.

Bently 3500/91-01-01 EGD Communication Gateway

Product Name: 3500/91-01-01 EGD Communication Gateway – Ethernet 10/100 I/O, no agency approvals
Product Introduction: Standard-configuration gateway with 10/100BASE-TX Ethernet I/O module (161204-01) and front plate (161216-01). Used in general-purpose indoor panels where hazardous-area certification is not required.

Bently 3500/91 EGD Communication Gateway Module

Technical Specifications:
  • Ethernet Ports: 1 × 10/100BASE-TX RJ45, auto-MDIX
  • Serial Ports: 1 × RS-232/485 isolated, 1,200–230 kbaud
  • Protocols Supported:
    • EGD v2.01 producer/consumer
    • Modbus RTU/TCP (slave)
    • BACnet/IP option
  • Data Update Rate: <1 s typical (rack scan dependent)
  • On-board Memory: 512 kB circular buffer for transient snapshots

Bently 3500/72 140734-08 Machine Train Monitor

Product Name: 3500/72 Machine Train Monitor – 140734-08 I/O module, isolated I/O, ATEX/CSA approved
Product Introduction: Agency-approved I/O module for 3500/72 with isolated I/O and worldwide Ex certification.
Technical Specifications:
  • Part Number: 140734-08
  • I/O Type: Isolated
  • Approvals: ATEX, IECEx, CSA

Bently 3500/72 Machine Train Monitor – 12-channel, mixed sensor types

Technical Specifications:
  • Channels: 12 (8 dynamic, 2 speed, 2 analog 4-20 mA)
  • Input Types: Proximitor, accelerometer, magnetic pickup, 4-20 mA
  • Frequency Range: 0.1 Hz – 20 kHz
  • Sampling Rate: 51.2 kHz per channel
  • Measurements: Overall, spectrum, orbit, trend, phase, train logic
  • Power: 10 W
  • Operating Temperature: –40 °C to +85 °C
  • Approvals: CE, UL, ATEX, IECEx, CSA

Bently 3500/70M 176449-09

Product Name: 3500/70M Reciprocating Compressor Monitor – 176449-09 I/O module, agency-approved
Product Introduction: Agency-approved I/O module for 3500/70M with worldwide Ex certification and isolated inputs.
Technical Specifications:
  • Part Number: 176449-09
  • I/O Type: Isolated
  • Approvals: ATEX, IECEx, CSA

Bently 3500/70-01-01

Product Name: 3500/70 Reciprocating Compressor Monitor – 8-channel, rider-band & valve health
Product Introduction: A specialist monitor that processes cross-head acceleration, cylinder pressure and crank-angle signals to deliver rider-band wear, valve leakage and liquid-slag detection for reciprocating compressors.
Technical Specifications:
  • Channels: 8 (4 acceleration, 2 pressure, 2 speed)
  • Input Types: IEPE accelerometer, 4-20 mA pressure, magnetic pickup
  • Frequency Range: 0.5 Hz – 10 kHz
  • Sampling Rate: 51.2 kHz per channel

Bently 3500/65 145988-02 emperature Monitor – 145988-02 standard I/O, worldwide approvals

Product Name: 3500/65 Temperature Monitor – 145988-02 standard I/O, worldwide approvals
Product Introduction: Most common variant of 3500/65 with standard I/O and worldwide Ex certification. Provides identical 16-channel capability while simplifying hazardous-area acceptance.
Technical Specifications:
  • Part Number: 145988-02
  • I/O Type: Standard (isolated)
  • Approvals: ATEX Ex ia IIC T4 Ga, IECEx, CSA Class I Div 2
  • Temperature: –30 °C to +65 °C

Bently 3500/65 Channel Temperature Monitor – RTD & thermocouple inputs, high density

Technical Specifications:
  • Channels: 16
  • Input Types: RTD Pt100, Pt1000, thermocouple J, K, E, T, N, R, S, B
  • Accuracy: ±0.5 °C for RTD, ±1 °C for TC
  • Resolution: 0.1 °C
  • Update Rate: 1 s per channel
  • Isolation: 500 V channel-to-channel
  • Outputs: 4-20 mA isolated per channel, 500 Ω max load
  • Alarms: Two level-plus-rate-of-change per channel
  • Power: 8 W