The GE IS200EROCH1ABC, also cataloged as the IS200EROC Exciter Regulator Option Card, operates as a dedicated hardware component for auxiliary excitation monitoring and protection functions within GE Mark VI / Mark VIe and EX2100 excitation control platforms. This board interfaces directly with VME rack backplane paths to exchange control data and diagnostic signaling under internal system supply voltages.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS200EROCH1ABC |
| Brand | GE |
| Origin | United States |
| Weight | 0.5 kg |
| Dimensions | Standard VME 3U Rack Form Factor |
| Operating Temp | -40 to +70 deg C, non-condensing |
| Power Consumption | < 7 W under full load |
| Backplane Interface | VME rack backplane |
| Power Supply Input | +5 V and +/-15 V from VME backplane |
| Communication Interfaces | RS-232 service/debug port, ISBUS data bus |
| Signal Interface | 24 VDC logic signals, isolated auxiliary sensor inputs |
| System Platform | Mark VI / Mark VIe Speedtronic and EX2100 Excitation Control System |
Deterministic Network Integration and Backplane Processing
The IS200EROCH1ABC maintains deterministic communication timing across the VME rack backplane and ISBUS data bus paths. Optimized backplane bus communication velocity allows seamless auxiliary data transmission to DSP controllers and ERIO I/O modules without introducing execution latency into primary control loops. Firmware flash compatibility ensures stable hardware-level integration across both simplex and Triple Modular Redundant (TMR) rack configurations.
Frequently Asked Questions
Q: Does the IS200EROCH1ABC perform primary excitation voltage regulation algorithms?
A: No. The card functions strictly as an auxiliary option card for monitoring expansion, field ground fault detection, and diagnostic access, while primary loop regulation is processed by dedicated system controllers.
Q: What primary voltage supplies are required to power the IS200EROCH1ABC card?
A: The board draws its operating power directly from the VME rack backplane bus, utilizing +5 VDC and +/-15 VDC supply rails.
Q: Is the IS200EROCH1ABC card compatible with redundant rack architectures?
A: Yes. The board is designed to operate in both simplex and triple modular redundant (TMR) rack configurations within supported EX2100 and Mark VI / Mark VIe control enclosures.
Field Installation Guidelines
Install the IS200EROCH1ABC into its assigned 3U VME slot, ensuring full backplane connector alignment prior to seating. Secure all module retention screws to ensure continuous ground contact with the rack frame. Route auxiliary signal wiring and RS-232 communication lines away from high-current exciter power conductors to prevent inductive interference. Shielded cables must have their drain wires grounded at cabinet entry terminals. Verify that ambient enclosure temperatures remain within -40 to +70 deg C before restoring power to the VME backplane.
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لوكاس مولر
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مرشد
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