Key Features
High-Speed Ethernet Communication
The module transfers real-time machinery protection data from the 3500 rack to compatible automation systems using EGD and Ethernet UDP/IP protocols.
Real-Time Controller Integration
Designed for direct communication with EGD-compatible controllers, including GE Mark VIe systems, making it suitable for turbine control and other critical industrial applications.
Comprehensive Data Exchange
The gateway can transmit:
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Rack status
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Module status
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Channel status
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Measurement values (floating point)
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Alarm setpoints
It also supports receiving control commands such as group reset, alarm inhibit, and trip multiply where supported.
Standard Ethernet Connectivity
The 01 I/O module provides 10BASE-T/100BASE-TX twisted-pair Ethernet connectivity using IEEE 802.3 standards.
Easy Integration with 3500 Systems
The module occupies one full-height front slot, while its corresponding I/O module occupies one full-height rear slot in the 3500 rack. Only one 3500/91 EGD module is supported per rack.
Rugged Industrial Design
Designed for continuous operation in industrial environments with an operating temperature range of -30°C to +65°C and humidity up to 95% non-condensing.
Typical Applications
The 3500/91-01-01-00 is commonly used in:
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Gas turbines
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Steam turbines
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Compressors
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Generators
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Pumps
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Large motors
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Power generation plants
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Oil & gas facilities
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Petrochemical plants
Typical functions include:
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Machinery protection system integration
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Real-time vibration and condition monitoring
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Data transfer to distributed control systems (DCS)
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Turbine supervisory systems
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Process automation
Frequently Asked Questions
1. What is the primary purpose of the 3500/91-01-01-00?
It provides Ethernet communication between a Bently Nevada 3500 rack and EGD-compatible industrial control systems for real-time machinery monitoring and control.
2. Which communication protocols are supported?
The module supports:
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EGD (Ethernet Global Data) Version 2.01
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Ethernet UDP/IP
3. What Ethernet interface is included?
The 01 I/O module supports 10BASE-T and 100BASE-TX Ethernet over twisted-pair cabling.
4. What does the "-01-01-00" configuration mean?
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01 – EGD Communication Gateway main module
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01 – 10BASE-T/100BASE-TX Ethernet I/O module
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00 – No agency approvals
5. How many gateway modules can be installed in one rack?
Only one 3500/91 EGD Communication Gateway Module is supported per 3500 rack.
6. What firmware is required?
The module requires compatible firmware versions in the 3500/22M Transient Data Interface (TDI) and, for certain consumer exchange functions, compatible monitor module firmware.
7. Is this model suitable for hazardous locations?
The -00 approval option indicates no agency approvals. Other approval options (such as 01 or 02) are available for certified installations.
8. Is this module still available?
The original 3500/91 has been retired in some markets, and 3500/91M EGD Communication Gateway Module is commonly recommended as its successor for new installations.
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