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Help CenterBENTLY 3500/91M EGD Communication Gateway – Deterministic Ethernet Link From Your 3500 Rack to GE Control Networks
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Warranty: 365 days
Delivery: 1 week if in stock; no more than 1 month at the latest
Payment: 50% advance payment; full payment prior to delivery
Express options: FedEx, UPS, DHL
EGD publishing for GE networks – Broadcasts 3500 rack data via Ethernet Global Data, enabling tight integration with GE Mark VI/VIe and compatible consumers.
Deterministic data exchange – In many cases, engineers prefer EGD for predictable scan and update behavior on control networks.
System, static, and dynamic values – Publishes key channel values, statuses, and alarms; ideal for operators who need real-time visibility without polling overhead.
Dual Ethernet ports (10/100Base‑T) – Typically supports redundant or segmented network connections to improve availability.
No external power – Draws power from the 3500 rack backplane; wiring stays clean and serviceable.
Simple slot installation – Installs as a standard 3500 module; configured through the standard 3500 configuration software.
Designed for critical assets – Suits turbines, compressors, and large motors where EGD-based visibility speeds up diagnostics.
| Brand / Model | BENTLY NEVADA 3500/91M EGD Communication Gateway |
| Function | Publishes 3500 rack data to Ethernet Global Data (EGD) for control/HMI systems |
| HS Code | 8537.10 (Boards/panels for electric control, industrial) |
| Power Requirements | From 3500 rack backplane (no external power supply required) |
| Communication Interfaces | 2 × RJ‑45, 10/100BASE‑T Ethernet; EGD protocol publishing |
| Signal I/O Types | No direct sensor I/O; gateway publishes system/channel data from the 3500 rack |
| Installation Method | Standard 3500 1‑slot front module; plugs into rack; configured via 3500 software |
| Operating Temperature | Typically 0 to +60°C (indoor control cabinet environment) |
| Dimensions & Weight | Standard 3500 1‑slot module form factor; approx. 0.45 kg (varies slightly by hardware revision) |
The 3500/91M is typically deployed wherever a 3500 rack protects rotating assets and the plant control system consumes EGD. Common cases include:
Power generation: gas/steam turbines with Mark VI/VIe controls
Oil & gas: compressor trains and drivers with GE-based unit controls
Petrochemical and refining: integration to EGD-enabled HMI/PLC gateways
Steel, pulp & paper: line-critical motors and blowers requiring deterministic visibility
One thing I appreciate is how it reduces engineering time in migrations—teams can keep their 3500 protection strategy and simply publish the right data sets to the EGD consumer with minimal scripting.
Reliability – Solid-state module design and deterministic EGD updates help operators trust what they see during trips or startups.
Compatibility – Seems to be the cleanest path for 3500-to-GE control integration without third-party protocol converters.
Lower lifecycle cost – No extra power supply, fewer custom interfaces, and quicker commissioning.
Scalable data mapping – Publish only what controls need; avoid bandwidth bloat on busy control networks.
Technical support – Documentation and standard 3500 configurator workflows simplify adoption for maintenance teams.
Cabinet & environment – Install in a standard 3500 rack within a clean, ventilated control cabinet. Keep ambient typically 0–60°C and protect from vibration and dust.
Networking – Use quality shielded CAT5e/CAT6. Plan IP addressing, VLANs, and redundancy. Maintain separation between control and corporate networks.
Grounding – Follow 3500 rack grounding practice to minimize noise and ensure reliable Ethernet performance.
Configuration – Define EGD exchanges and data blocks in the 3500 configuration software; validate with the target consumer (e.g., Mark VIe).
Firmware & backups – Keep firmware at a manufacturer-approved level, and back up configuration before any change. From my experience, this prevents most commissioning surprises.
Routine checks – Periodically verify link status, redundancy behavior, and that alarm/state values match the 3500 displays and historian.
Designed for industrial control environments; CE and UL/cUL compliance are typically applicable to 3500 system modules
RoHS conformity for electronic assemblies, in most cases
Manufacturer warranty terms apply; our supply warranty is 365 days
BENTLY 3500/22M Rack Interface Module – system communications and rack coordination
BENTLY 3500/20 Power Supply – provides backplane power for all modules
BENTLY 3500/92 Communication Gateway (Modbus) – if your DCS requires Modbus TCP/RTU instead of EGD
BENTLY 3500/xx Monitoring Modules – e.g., 3500/40M Proximitor, 3500/42M Proximitor/Seismic for primary measurement data
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