IS200SPROH1ADD GE Mark VIe Backup Protection Terminal Board

Product Description

Configured for backup protection signal interfacing in the GE Mark VIe excitation system, the GE IS200SPROH1ADD (IS200SPROH1A Backup Protection Terminal Board) provides physical connections for speed signals, voltage inputs, and the PPRO programmable protective relay output interface. The board supports signal conditioning through an associated I/O pack and includes potential transformers for bus and generator voltage inputs. The specified operating temperature range is -30 to 65 deg C.

Hardware Specifications

Backup Protection Signal Interface

The SPRO terminal board provides physical connections for speed signals and voltage inputs within the Mark VIe backup protection arrangement. Its associated I/O pack conditions speed signal inputs for the PPRO programmable protective relay output interface.

The board also incorporates a pair of potential transformers for bus and generator voltage inputs. A DC-37 pin connector provides an interface for a cable to the Mark VIe backup trip relay terminal board.

The SPROH1A variant uses a removable barrier terminal block with 24 terminals. The SPROH2A variant uses a Euro-Block terminal configuration. These terminal arrangements differ and should be verified before replacement.

Frequently Asked Questions

Q: What signals connect to the IS200SPROH1ADD?

A: The documented connections include speed signals and bus and generator voltage inputs. The associated I/O pack conditions speed signals for the PPRO interface.

Q: What is the function of the DC-37 pin connector?

A: It accepts a cable connecting the SPRO terminal board to a Mark VIe backup trip relay terminal board.

Q: Can the IS200SPROH1ADD be replaced with an SPROH2A variant?

A: Do not assume direct interchangeability. The SPROH1A and SPROH2A variants use different terminal block configurations. Verify the complete board part number, wiring arrangement, and system documentation before replacement.

Field Installation Guidelines

• Mounting: Install the terminal board and its insulator on the specified sheet metal carrier with DIN-rail mounting, or use the designated panel-mounted assembly where applicable.
• Wiring: Connect speed signals and potential transformer inputs to the designated terminals. The supplied documentation identifies typical #18 AWG wiring; confirm conductor requirements against the applicable installation drawings.
• Terminal configuration: Verify the barrier terminal block arrangement before connecting field wiring. Label conductors before removing the terminal block for board replacement.
• Connector interface: Check the DC-37 cable connection and confirm compatibility with the designated backup trip relay terminal board.
• Signal routing: Keep signal wiring organized and separated from power conductors where required by the system installation standards. Apply shielding and grounding according to the approved wiring diagrams.
• Replacement checks: Confirm the complete part number, terminal layout, mounting arrangement, and associated PPRO I/O pack configuration before installing a replacement.
• Commissioning: Inspect terminations and connector seating before energizing the system. Verify speed signal acquisition and voltage input behavior using the approved commissioning procedure.

Other Attributes

• Series: GE Multilin 350 Feeder
• Country of Origin: USA
• Lead Time: In Stock, 2 Working Days

In Stock Hot Items of The GE General Electric Mark VI 

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