ABB 88TK50A-E
GJR2397000R1210 · FDDI Station Bus Coupling Module
Product Overview
The ABB 88TK50A-E couples a PROCONTROL station to the PROCONTROL remote bus through an FDDI optical-fiber ring. It manages data-exchange operations within the station and provides two standard station-bus interfaces, an ISO/IEC 9314 FDDI ring interface, a service interface and isolated monitoring functions.
Product Technical Images
Functions, Features & Operational Benefits
Product Specifications
| Manufacturer | ABB |
|---|---|
| Type | 88TK50A-E |
| Order reference | GJR2397000R1210 |
| Product function | PROCONTROL station-bus / FDDI coupling |
| Operating voltage | 24 V DC |
| Current consumption | 750 mA |
| Power dissipation | 18 W |
| Reference potential | ZD = 0 V |
| FDDI standard | ISO/IEC 9314 |
|---|---|
| Adjacent station distance | Maximum 2 km |
| Complete ring length | Maximum 100 km |
| Board format | 6 units high, 2 divisions, 160 mm deep |
| Backplane connectors | 4 × 48-pole, DIN 41612, type F |
| Service connector | 1 × 9-pole jack, MIL-C-24308 |
| Optical connectors | 2 × multimode Duplex SC |
| Weight | Approx. 0.8 kg |
Applications
Lifecycle & Replacement
Frequently Asked Questions
What system is the ABB 88TK50A-E designed for?
It is designed to couple a PROCONTROL station to the PROCONTROL remote bus using an FDDI optical-fiber ring.
Can the module support redundant communication?
Yes. The documented architecture uses two optical FDDI rings and provides an interface for dual-channel station-bus coupling with a second coupling module.
Which optical connectors are used?
X2 and X3 are multimode Duplex SC connectors for the two FDDI physical interfaces.
Can a module be exchanged during dual-channel operation?
The ABB procedure requires the module to be PASSIVE before withdrawal. Optical cables remain connected during the exchange; the front FE and FS indicators identify the active state.
Is an official drop-in replacement specified?
No designated successor or direct-replacement procedure is published in the cited ABB product documentation.
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