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The 3500/92-04-01-00 acts as a specialized data communications link designed to export extensive rack-monitored values, statuses, and events from a 3500 Series Machinery Protection System into process control and plant automation networks. It handles concurrent translations using Modbus/TCP across Ethernet connections and standard serial Modbus protocols to bridge machine tracking databases with external process infrastructure. The device enables immediate parameter interrogation for operations personnel and includes a built-in Configurable Modbus Register Utility to customize high-density address mapping. Operating within a dedicated full-height slot of the standard rack, it provides simultaneous communication channels to interface field instrumentation networks with remote computers running specialized configuration and data acquisition tools.
| Option Code | Description |
|---|---|
| 3500/92 | Communication Gateway Module |
| A: 04 | Ethernet/RS485 Modbus I/O Module |
| B: 01 | Agency Approval Option: CSA/NRTL/C (Class 1, Div 2) |
| C: 00 | Description/Country Specific Option: None |
| Category | Specification | Data |
|---|---|---|
| Electrical | Power Consumption | 5.0 watts typical |
| Data Communications | Ethernet Connection | RJ45 for 10BASE-T star network topology |
| Serial Communication Types | RS232, RS422, and RS485 | |
| Supported Protocols | Modicon Modbus protocol, Modbus/TCP protocol, and proprietary Bently Nevada protocol | |
| Environmental | Operating Temperature Range | -30 degC to +65 degC (-22 degF to +150 degF) |
| Storage Temperature Range | -40 degC to +85 degC (-40 degF to +185 degF) | |
| Relative Humidity | 95% non-condensing maximum | |
| Mechanical | Gateway Main Module Dimensions (H x W x D) | 241.3 mm x 24.4 mm x 241.8 mm (9.50 in x 0.96 in x 9.52 in) |
| Gateway Main Module Weight | 0.82 kg (1.8 lb) | |
| I/O Module Dimensions (H x W x D) | 241.3 mm x 24.4 mm x 103.1 mm (9.50 in x 0.96 in x 4.06 in) | |
| I/O Module Weight | 0.44 kg (1.0 lb) | |
| Front Rack Positioning Slot | 1 full-height front slot (must locate right of the Rack Interface Module) | |
| Rear Rack Positioning Slot | 1 full-height rear slot directly behind main module | |
| Manufacturer | Bently Nevada |
| Port / Indicator Terminal | Function |
|---|---|
| Front OK LED | Illuminates when the main communication module is processing normally |
| Front TX/RX LED | Flashes to indicate active serial or network communications traffic |
| RJ45 Port (Modbus/TCP) | Standard 10BASE-T star ethernet configuration link to host networks |
| RS485 Port (Modbus 2) | Multi-drop serial communication bus interface terminal |
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Returns & Warranty

The 3500/92-04-01-00 acts as a specialized data communications link designed to export extensive rack-monitored values, statuses, and events from a 3500 Series Machinery Protection System into process control and plant automation networks. It handles concurrent translations using Modbus/TCP across Ethernet connections and standard serial Modbus protocols to bridge machine tracking databases with external process infrastructure. The device enables immediate parameter interrogation for operations personnel and includes a built-in Configurable Modbus Register Utility to customize high-density address mapping. Operating within a dedicated full-height slot of the standard rack, it provides simultaneous communication channels to interface field instrumentation networks with remote computers running specialized configuration and data acquisition tools.
| Option Code | Description |
|---|---|
| 3500/92 | Communication Gateway Module |
| A: 04 | Ethernet/RS485 Modbus I/O Module |
| B: 01 | Agency Approval Option: CSA/NRTL/C (Class 1, Div 2) |
| C: 00 | Description/Country Specific Option: None |
| Category | Specification | Data |
|---|---|---|
| Electrical | Power Consumption | 5.0 watts typical |
| Data Communications | Ethernet Connection | RJ45 for 10BASE-T star network topology |
| Serial Communication Types | RS232, RS422, and RS485 | |
| Supported Protocols | Modicon Modbus protocol, Modbus/TCP protocol, and proprietary Bently Nevada protocol | |
| Environmental | Operating Temperature Range | -30 degC to +65 degC (-22 degF to +150 degF) |
| Storage Temperature Range | -40 degC to +85 degC (-40 degF to +185 degF) | |
| Relative Humidity | 95% non-condensing maximum | |
| Mechanical | Gateway Main Module Dimensions (H x W x D) | 241.3 mm x 24.4 mm x 241.8 mm (9.50 in x 0.96 in x 9.52 in) |
| Gateway Main Module Weight | 0.82 kg (1.8 lb) | |
| I/O Module Dimensions (H x W x D) | 241.3 mm x 24.4 mm x 103.1 mm (9.50 in x 0.96 in x 4.06 in) | |
| I/O Module Weight | 0.44 kg (1.0 lb) | |
| Front Rack Positioning Slot | 1 full-height front slot (must locate right of the Rack Interface Module) | |
| Rear Rack Positioning Slot | 1 full-height rear slot directly behind main module | |
| Manufacturer | Bently Nevada |
| Port / Indicator Terminal | Function |
|---|---|
| Front OK LED | Illuminates when the main communication module is processing normally |
| Front TX/RX LED | Flashes to indicate active serial or network communications traffic |
| RJ45 Port (Modbus/TCP) | Standard 10BASE-T star ethernet configuration link to host networks |
| RS485 Port (Modbus 2) | Multi-drop serial communication bus interface terminal |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|