Description
Product Description
The GE IC694BEM331 is a versatile PROFIBUS Master Module for the PACSystems RX3i platform, enabling seamless communication between RX3i controllers and PROFIBUS DP devices. It allows centralized control of distributed I/O, intelligent field devices, and remote modules across complex automation networks.
This module also functions as a Genius Bus Controller, supporting serial bus connections to Genius blocks, VersaMax and Field Control I/O stations, hand-held monitors, and multiple host systems. With advanced diagnostics, configurable data rates, and electrical isolation, it ensures reliable, high-performance network communication.
Technical Specifications
| Specification |
Details |
| Part Number |
IC694BEM331 |
| Product Series |
PACSystems RX3i |
| Module Type |
PROFIBUS Master / Genius Bus Controller |
| Network Types |
PROFIBUS DP, Genius serial bus |
| Role |
Master module |
| Supported PROFIBUS Baud Rates |
Up to 12 Mbit/s |
| Max PROFIBUS Slave Devices |
125 |
| Genius Bus Data Rates |
38.4 kbaud, 76.8 kbaud, 153.6 kbaud (standard/extended) |
| Maximum Genius Bus Devices |
32 devices (all baud rates except 38.4 kbaud), 16 at 38.4 kbaud |
| Data Length |
128 bytes per message |
| Bus Topology |
Daisy-chained single twisted-pair with shield or Twinax; fiber and modems supported |
| Bus Termination |
Configurable 75, 100, 120, 150 Ohm |
| Maximum Bus Length |
Up to 7800 ft depending on baud rate and cable type |
| Isolation |
2000 V Hi-Pot, 1500 V transient common mode rejection |
| Diagnostics |
LEDs and error reporting for both PROFIBUS and Genius bus |
| Module Type |
Plug-in RX3i rack module |
| Weight |
0.37 kg |
Key Features
-
Centralized PROFIBUS DP network control for RX3i PLCs
-
Integrates distributed Genius I/O and remote devices
-
Configurable baud rates and message lengths for flexible networking
-
Advanced diagnostics with LED indicators for error detection and troubleshooting
-
Electrical isolation ensures reliable communication in noisy industrial environments
-
Compact plug-in design for easy installation in RX3i racks
Application Scenarios
-
Factory automation: Connecting distributed I/O, drives, and sensors
-
Process industries: Coordinating PROFIBUS-enabled actuators and instruments
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Complex automation networks requiring centralized control and remote monitoring
-
Legacy Genius I/O networks for extended system compatibility
FAQ
Q: How many PROFIBUS devices can this module manage?
A: Up to 125 PROFIBUS DP slave devices can be connected per network.
Q: Can the module support Genius Bus devices?
A: Yes, it functions as a Genius Bus Controller supporting up to 32 devices (16 at 38.4 kbaud).
Q: What isolation levels are provided?
A: 2000 V Hi-Pot and 1500 V transient common mode rejection ensure protection against electrical noise.
Q: Is this module compatible with modern Ethernet networks?
A: While PROFIBUS and Genius buses are legacy networks, the module is active and widely used in existing PACSystems RX3i installations.
