The IS200TBCIH1BBC acts as a reliable contact input terminal board within GE’s Mark VI series. Engineers use this board to handle dry contact signals from turbines and other industrial equipment. It provides stable performance in harsh environments. The board operates from -30°C to 65°C, making it suitable for power plants and heavy industries.
This board measures 33.02 cm high by 10.16 cm wide. It features two large black terminal blocks on the left side. Each block holds 24 silver metal terminals, giving a total of 48 positions. Numbers from 1 to 48 label these terminals for easy wiring.
To the right of the terminal blocks, you will find 25 solid red circular capacitors aligned in a row. These capacitors help stabilize the input signals. Additionally, three silver-and-black jack connector ports sit on the right edge. Beside each port, a small integrated circuit labeled with the letter “U” handles signal conditioning.
Two white connectors are centered at the top edge of the IS200TBCIH1BBC. Each white connector has three ports for attaching external components. Moreover, a long line of tiny resistors runs almost the full length of the board on the right side. This layout ensures precise voltage control for each input channel.
The IS200TBCIH1BBC connects to the VME rack using cables with molded plugs. These cables link the board to either a VCCC or VCRC processor board inside the rack. The board fully supports both simplex and TMR (Triple Modular Redundant) systems.
For a simplex system, you only need to use connector JR1. In a TMR setup, however, all three connectors must be employed. This approach provides enhanced redundancy and fault tolerance. Additionally, the board works with Mark VIe systems when I/O packs are attached to side-mounting brackets. Depending on your configuration, you may need one or two Ethernet cables and a firmware download.
The IS200TBCIH1BBC accepts up to 24 dry contact inputs. These inputs are wired to the two barrier-type terminal blocks. Direct current (DC) power is routed into the board specifically for contact excitation. This design ensures that each contact input functions correctly without external pull-up resistors.
Power enters through plugs JE1 and JE2. These connectors carry the excitation voltage required for the dry contacts. Always verify the correct DC voltage level before connecting power. Incorrect voltage may damage the input circuits.
Surges and high-frequency noise can disrupt sensitive input signals. Therefore, the IS200TBCIH1BBC includes dedicated noise suppression circuitry on each contact input. This protection enhances reliability in electrically noisy environments, such as turbine halls or generator rooms. Furthermore, the board’s layout separates power and signal traces to reduce interference.
Operating Temperature: -30°C to 65°C
Dimensions: 33.02 cm (H) x 10.16 cm (W)
Weight: 0.85 kg (gross)
Country of Manufacture: USA
Mounting: Uses standard rack mounting hardware
The board’s long PCB shape fits into designated slots inside the Mark VI cabinet. Its compact width of 10.16 cm allows efficient use of panel space. Meanwhile, the robust terminal blocks withstand repeated wiring changes.
First, ensure the VME rack is powered off before handling the board. Next, slide the IS200TBCIH1BBC into its assigned slot and secure it with screws. Then, connect the molded plug cables from the board to the VCCC or VCRC processor board.
For simplex systems, attach one cable to connector JR1. For TMR systems, attach all three connectors. After that, wire the 24 dry contact inputs to the terminal blocks following the number labels. Connect DC excitation power to JE1 and JE2. Finally, power on the system and verify signal readings.
Always use shielded cables for long wiring runs. This practice reduces noise pickup. Additionally, label each wire clearly to simplify future maintenance.
When using the IS200TBCIH1BBC in a Mark VIe system, you must attach I/O packs to side-mounting brackets. These packs connect to the board and provide additional processing. One or two Ethernet cables may be plugged into the pack. In some cases, a firmware download is required before the pack operates correctly.
Refer to GE’s documentation for the specific firmware version needed. Using an incorrect firmware version may cause communication errors. Moreover, always verify the pack’s LED status after power-up.
IS200TBCIH1BBC contact terminal board (1 unit)
Anti-static bag (1 piece)
Protective foam padding
Cardboard shipping box
Note: No cables, certificates, or warranty documents are included in this package.
We ship all orders via FedEx, UPS, or DHL. Tracking numbers are provided within 24 hours after dispatch. International delivery usually takes 3 to 7 business days.
1. Can I use the IS200TBCIH1BBC with a Mark V system?
No, this board is designed only for Mark VI and Mark VIe systems. It does not fit Mark V racks electrically or mechanically.
2. What happens if I apply AC voltage to the contact inputs?
The IS200TBCIH1BBC expects DC dry contacts only. AC voltage may damage the noise suppression circuitry. Always use DC excitation as specified.
3. How do I know if my system requires simplex or TMR wiring?
Check your system’s redundancy requirements. Simplex uses one controller. TMR uses three controllers for fault tolerance. The IS200TBCIH1BBC supports both, but TMR requires all three connectors.
4. Does the board come with pre-installed resistors?
Yes, the long line of tiny resistors is factory-installed. These resistors work together with the capacitors to filter input signals. No user adjustment is needed.
5. Can I order just one piece of the IS200TBCIH1BBC?
Yes, we sell single units. Stock is available for immediate dispatch. Contact us for bulk pricing if needed.
| Brand Name | General Electric |
| Model No. | IS200TBCIH1BBC |
| Product Type | Contact Input Terminal Board |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
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