Bently Nevada 3500/91-01-01(161204-01+161216-01) 3500 Monitoring System


Part number: 3500/91-01-01(161204-01+161216-01)
Manufacturer: Bently Nevada
Condition: Brand new original, factory packaged
Factory warranty: 12 months


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Part number: 3500/91-01-01(161204-01+161216-01)
Manufacturer: Bently Nevada
Series: 3500
Input signal: -10 Vdc to+10 Vdc
Power consumption: 7.7 watts
Axis power supply: -24 Vdc
Product type: Transient Data Interface Module
Temperature: 25 degrees Celsius
Sensor power supply: -24 Vdc
Weight 0.82 kg (1.8 lb.)
Dimensions 9.50 in x 0.96 in x 3.90 in
Supply situation: In stock
Repair: 3-7 days
Country of origin: United States



Function Description:

The 3500/91 EGD (Ethernet Global Data) Communication Gateway modules offer extensive communication capabilities for monitoring values and status within a 3500 rack. Here’s a summary of the specifications provided:


  • Capabilities: Comprehensive communication capabilities for 3500 rack-monitored values and status.
  • Network Path: Utilizes an Ethernet network path with response times suitable for controller applications.


  • EGD Gateway: Allows integration with EGD protocol-compatible controllers.

Supported Protocols:

  • EGD: Version 2.01
  • Ethernet UDP/IP: Supported protocols for communication.

Ethernet Standards:

  • Supported Standard: IEEE802.3
  • Ethernet Speeds: Supports 10BASE-T and 100BASE-TX (twisted pair).

Power Consumption:

  • Typical Power Consumption: 7.4 watts

Data Types:

  • Producer Exchanges: Rack, Module, Channel, and Data value Status.
  • Data Types: Float values for Data values and Setpoints.

Consumer Exchange:

  • Group Reset
  • Group Trip Multiply
  • Group Alarm Inhibit
  • Group Special Alarm Inhibit

Outputs – Front Panel LEDs:

  • OK LED: Indicates when the 3500/91 is operating properly.
  • TX/RX LED: Indicates communication activity with other modules in the 3500 rack.

Communication Link:

  • Ethernet Speeds: Supports both 10-Mbps and 100-Mbps Ethernet speeds.
  • Conformance: Conforms to IEEE 802.3 and IEEE802.3u standards.


  • Ethernet UDP/IP frame

Connection Interfaces:

  • RJ-45 jack: Used for the Ethernet 10BASE-T/100BASE-TX I/O Module.
  • MT-RJ jack: Used for the Ethernet 100BASE-FX I/O Module.

These specifications provide a detailed overview of the capabilities, communication protocols, power consumption, and physical connection interfaces of the 3500/91 EGD Communication Gateway modules.

Spare parts:
176449-04 3500/45 position monitor
135137-01 Position I/O Module with Internal Terminations for Use with Prox, RPT, or DC LVDT
135145-01 Position I/O Module with External Terminations for Proximitor, RPT or DC LVDT
139554-01 AC LVDT Position I/O Module with Internal Terminations for AC LVDT
139567-01 AC LVDT Position I/O Module with External Terminations for AC LVDT
139978-01 Rotating potentiometer position input/input module with internal terminals, used for rotating potentiometers
139991-01 Rotating potentiometer position I/O module with external terminals Rotating potentiometer
125808-06 Position Prox/DC LVDT Uro
125808-07 position rotary potentiometer – Uro
141208-01 Position Prox/AC LVDT – Euro
132242-01 Prox/Seis TMR ET Block – Uro
128702-01 Recorder ET Block – Euro for Proximitor
128015-06 position external terminal block (terminal block connector), RPT and DC LVDT inputs
128015-07 Position of rotary potentiometer input external terminal block (terminal block connector)
141216-01 AC LVDT External Termination Block for AC LVDT Input