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IS200EDEXG1B GE Mark VI
| Place of Origin | USA |
|---|---|
| Brand Name | GE |
| Certification | Certificate of Origin |
| Model Number | IS200EDEXG1B |
| Document | GE Mark VI.pdf |
| Minimum Order Quantity | 1 pc |
| Price | $5800 |
| Packaging Details | Original box packaging |
| Delivery Time | 5-7 days |
| Payment Terms | T/T |
| Supply Ability | 1-99 pcs / 3-5 days |
Product Details
| Brand | GE | Module Numeber | IS200EDEXG1B |
|---|---|---|---|
| Catalog | Mark VI | Sales Price | $5800 |
| Condition | In Stock | Origin | USA |
| Lead Time | 3-5 Working Days | Warrenty | 1 Year |
| Weight | 1kg | ||
| Highlight | SCR Triggering Excitation Control Board,Dual Independent Trigger Channels De-excitation Control Board,BOD Overvoltage Self-triggering EDEX Board |
||
Product Description
Product Overview
IS200EDEXG1B GE Mark VI
The IS200EDEXG1B is an exciter de-excitation control board from the EDEX series. It is a functionally revised version of the B series, identified by the "G1" board designation and the "B" revision suffix.
It serves as the "last line of electrical defense" in the system's safety chain: it receives de-excitation commands from the higher-level controller, outputs SCR (thyristor) trigger pulses, and conducts the de-excitation resistor or de-excitation inductor circuit to rapidly convert the stored energy in the excitation windings into thermal energy for safe dissipation.
This board is typically installed in the auxiliary cabinet of the excitation system. It operates in SCR de-excitation mode and works in conjunction with modules such as the EMIO (De-excitation I/O Board) and EXTB (Terminal Board) to form a complete de-excitation control circuit.
Product Details
| Brand Name | General Electric |
|---|---|
| Model | IS200EDEXG1B |
| Catalog | Mark VI |
| Gross Weight / Shipping Weight | 2.2 lbs / 35.2 oz / 1 kg |
| Packing Size | 16 cm x 16 cm x 12 cm |
| Country of Origin | USA |
| HS Code | 8537101190 |
| Lead Time | In Stock |
| Shipping Port | Xiamen |
| Payment | T/T |
| Sales Price | $5800 |
| Warranty | 12 months |
| Lead Time (Delivery) | 3–5 work days |
| Courier Partners | DHL, UPS, TNT, FedEx and EMS |
Key Features
- Product Type: EDEX Excitation/De-excitation Control Board / Bridge Protection Board
- Compatible Systems: EX2100 / EX2100e (compatible with Mark VI / Mark VIe platforms)
- Control Power Supply: 24 VDC (supplied by the EPSM/EXTB circuit)
- Excitation-side Voltage: 125 VDC (internal conversion or supplied by EPSM)
- Demagnetization Method: SCR triggering (optional diode passive mode)
- Trigger Channels: Dual independent trigger control + overvoltage self-triggering
- Current Detection: Hall-effect sensors, dual channels (M1/M2)
- Status Indication: Magnetic field current flow LED
- Jumper Configuration: JP1–JP6 (six sets of configurable jumpers)
- Connectors: 2 sets of high-density D-type connectors
- Operating Temperature: 0℃ to +55℃ (some sources specify a wider range)
- Storage Temperature: -40℃ to +85℃
- Compatible Boards: EMIO, EXTB, EPSM (all required or strongly associated)
Comparison of Similar Models
| Model | Positioning and Differences |
|---|---|
| IS200EDEXG1A | A basic revision of the EDEX series, compatible with the B series in terms of functionality and suitable for general operating conditions. The key difference from the G1B lies in the revision level and component selection; the G1B offers optimizations in reliability and long-term stability. |
| IS200EDEXG1BAA | An enhanced version of the B series, featuring further optimizations to the BOD (breakdown diode) network and interference immunity; it should be prioritized in scenarios requiring higher trigger reliability. |
| IS200EXCSG1A | The EXCS current-sensing board belongs to the same EX2100 excitation protection system as the EDEX, but with a different focus: the EXCS specializes in sensing and providing feedback on the current conduction state, while the EDEX serves as the primary controller for triggering execution and energy dissipation. |
| IS200EXHSG1A | EXHS Excitation Machine High-Speed Contactor Drive Board: responsible for the drive control of high-speed contactors; it is functionally complementary to — rather than a replacement for — the EDEX's SCR demagnetization path. |
Application Case Study
The original de-excitation boards in the in-service units of a certain combined-cycle power plant were early models; their response speed and immunity to interference no longer met the power grid's requirements for rapid de-excitation. After replacing them with IS200EDEXG1B units, the standard EX2100 interface was used to establish seamless integration with the EXTB/EMIO system. By retaining the original jumper configuration and eliminating the need to modify the upper-level software, improvements in de-excitation response speed and safety were achieved.
Frequently Asked Questions
Can the IS200EDEXG1B be powered up and tested on its own?
It is primarily a discrete output module used to transmit digital signals from a controller. This board must be connected to the EMIO board and the EXTB board to form a complete control and power supply circuit.
Will the board go "silent" if the SCR fails to trigger normally?
No. The EDEX board has a built-in BOD (breakdown diode) overvoltage self-triggering mechanism. When the SCR fails to trigger normally, the anode-to-gate voltage rises to the breakdown threshold of the BOD string; the BOD network will automatically conduct and trigger the SCR, forming a backup demagnetization path.
What is the warranty period for this module?
Typically, the warranty period for original products is 12 months.
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