Description
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric |
| Model | IS200EROCH1ADD |
| Digital Outputs/Contacts | 16–32 isolated relay contact outputs (trip, control, alarm) |
| Contact Rating | High‑reliability, typically 10A / 250V AC or 30V DC |
| Highway Interface | 2× data highway ports (GE proprietary) |
| Supported Protocols | GE data highway, Modbus RTU |
| Output Update Rate | 5–20 ms (configurable) |
| Power | +5V DC / 2.5A, ±15V DC / 0.5A |
| Temp Range | -30°C to +65°C |
| MTBF | > 100,000 hours |
| Suffix Meaning | “ADD” = specific contact output/highway configuration |
Advantages and Key Features
Dedicated Relay Contact Output Highway Interface: The IS200EROCH1ADD provides high‑reliability contact outputs for trip and control signals, with integrated highway communication.
High‑Reliability Outputs: Designed for critical protection functions requiring dependable contact closure.
Highway Integration: Enables coordination with other protection and control systems.
Pre‑Configured Firmware: “ADD” firmware reduces commissioning time.
Application Fields and Case Studies
Used in generator trip circuit control, breaker control and alarm annunciation, and protection system coordination. In a 600 MW plant, the IS200EROCH1ADD provided reliable trip outputs and breaker control signals, ensuring rapid isolation during fault conditions.
Comparison with Competing Products
| Dimension | IS200EROCH1ADD | IS200ERIOH1ACB | IS200ERBPG1ACA |
|---|---|---|---|
| Primary Function | Contact outputs + highway | Relay I/O + highway | Relay/breaker control |
| Output Contact Rating | High (10A) | Low (signal level) | Low (signal level) |
| Highway Interface | Yes | Yes | No |
| VME Integration | Direct | Direct | Direct |
Selection Recommendations
Choose IS200EROCH1ADD for high‑reliability trip outputs, breaker control, and alarm contact control with highway integration. Verify “ADD” firmware matches your output devices. Deploy redundant boards for critical output paths.
Precautions and Important Notes
Use ESD‑safe handling. Verify field wiring and contact output connections – ensure correct voltage/current ratings. Confirm “ADD” firmware supports your output and highway equipment. Never interrupt firmware updates. Board draws 2.5A – verify rack power capacity. Document all configurations. Store spares in anti‑static packaging. Do not mix variants in redundant pairs. Allow 30 seconds boot time. Test all contact outputs and highway functions during commissioning. The IS200EROCH1ADD is critical for protection – thoroughly test trip and control circuits before placing in service.
B&R 3IF060.6
SCHNEIDER TSXAEY414
AB 1747-SDN
A-B 2094-BSP2
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