GE IS200JGPAG1A Ground and Power Terminal Board

GE IS200JGPAG1A Ground and Power Terminal Board

Configured for 24 VDC field‑power distribution and shield termination within Mark VIe I/O assemblies, the GE IS200JGPAG1A, also cataloged as the IS200JGPAG1A ground and power board, provides direct physical/electrical execution. It delivers regulated excitation power for 4–20 mA field instruments and establishes a structured grounding path adjacent to PCAA and TCAT analog modules.

Hardware Specifications

Backplane Bus Communication Velocity and I/O Density Scaling

Within Mark VIe architectures, the board maintains deterministic backplane bus communication velocity by providing stable excitation power without introducing timing skew into analog acquisition cycles. I/O density scaling is preserved through twelve independent regulators, preventing cross‑impact between powered transmitters. Firmware flash compatibility resides entirely at the PCAA/TCAT module level; the JGPA board operates as fixed hardware with no programmable logic.

Frequently Asked Questions

Q: Can the IS200JGPAG1A be removed while the panel is energized? A: Removal under power is not recommended. Disconnecting the board may interrupt excitation power and cause analog channel faults.

Q: Does each 24 VDC output channel have isolation? A: Yes. Each channel is independently regulated to prevent cross‑impact between field devices.

Q: How does the board differentiate power terminals from shield terminals? A: TB3 uses orange terminals for 24 VDC outputs, while TB1 and TB2 use green terminals for shield termination.

Field Installation Guidelines

• Mount the board adjacent to PCAA or TCAT modules to minimize cable length and reduce noise pickup.
• Ensure correct orientation of the P1 cable supplying 28 VDC from the analog module.
• Maintain separation between shield wiring and power conductors to reduce induced noise.
• For conductive mounting, ensure metal‑to‑metal contact for direct grounding.
• For isolated mounting, use non‑conductive hardware and route shield grounds to the designated grounding point.
• Verify terminal torque and labeling before energizing the system.