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The ABB GJR2397000R1210 (Type 88TK50A-E) is a specialized Station Bus Coupling Module designed for the ABB PROCONTROL P14 industrial control system. This module facilitates high-speed data exchange by interfacing a local station bus with a Fibre Distributed Data Interface (FDDI) network. It acts as a critical communication bridge, enabling robust, real-time data transmission across large-scale automation architectures, including power generation and heavy manufacturing facilities.
| Model | GJR2397000R1210 (88TK50A-E) |
| Data Transfer Rate | 100 Mbit/s |
| Encoding | 4B/5B |
| Clock Stability | +/- 0.005% |
| Isolation | 500 V DC (module-to-earth) |
| Operating Temperature | 0 degC to +70 degC |
| Storage Temperature | -40 degC to +85 degC |
| Humidity | 5 - 95% RH (non-condensing) |
| Max Station Distance | 2 km |
| Max Ring Length | 100 km |
It is a coupling module used to connect the PROCONTROL station to the PROCONTROL remote bus, utilizing an FDDI ring for high-speed communication.
The distance between two stations connected to the FDDI ring must not exceed 2 km.
Data transfer on the FDDI ring is protected by a generator polynomial as specified in the FDDI standard ISO 9314.