Description
The IS200EXHSG3A is a specialized relay driver board engineered by General Electric for the EX2100 Excitation Control system. This module serves as a critical component in power generation and industrial excitation control, responsible for the high-speed operation of essential pilot relays, including the field flashing relays (53A and 53B) and the KDEP de-excitation relay. By facilitating rapid protective sequences, the board plays a vital role in safeguarding excitation hardware from potential failure during fault conditions.
Features
- Designed for integration within the EX2100 Excitation Control platform.
- Supports both simplex and redundant configurations through the Exciter Backplane (EBKP).
- Processes critical feedback from EDEX and EXDE boards for system-wide protection.
- Manages three primary contact input channels (41, 53A, 53B).
- Operates with a 70 VDC contact power supply derived from the exciter distribution system.
Applications
This relay driver board is primarily utilized in heavy industrial environments, including electrical power generation facilities, large-scale mining operations, and petroleum refineries where precise and reliable excitation control is mandatory for system stability.
Technical Specifications
| Model |
IS200EXHSG3A |
| Series |
EX2100 |
| Input Channels |
3 (41, 53A, 53B) |
| Contact Voltage |
70 VDC |
| Power Consumption |
15 W |
| Operating Temperature |
0 to 60 deg C |
| Storage Temperature |
-40 to 85 deg C |
| Relative Humidity |
5 to 95% non-condensing |
Installation Guidelines
- Ensure all power is disconnected from the exciter system before attempting to install or remove the board.
- This module is designed for mounting within the EX2100 cabinet; ensure proper seating in the EBKP backplane to maintain signal integrity.
- Handle with standard ESD precautions to prevent damage to sensitive surface-mount components.
- Verify that all cabling for contact inputs (41, 53A, 53B) is correctly routed and secured to prevent EMI interference.
- Confirm the configuration (simplex vs. redundant) matches the system architecture to ensure correct EMIO communication.
FAQ
What is the primary function of the IS200EXHSG3A board?
It acts as a high-speed relay driver for the EX2100 system, specifically managing the field flashing and de-excitation relays to provide rapid protective responses.
Can this board be used in a redundant system?
Yes, the IS200EXHSG3A supports redundant architectures by interfacing with up to three EMIO boards via the EBKP backplane to provide fault-tolerant operation.
What voltage do the contact inputs require?
The contact inputs operate on a 70 VDC supply provided by the internal exciter power distribution system.
