IS200WROFH1A - WROF Relay Fuse Daughter Board

IS200WROFH1A - WROF Relay Fuse Daughter Board IS200WROFH1A - WROF Relay Fuse Daughter Board

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SPECIFICATIONS:

Part Number: IS200WROFH1A
Manufacturer: General Electric
Series: Mark VIeS
Product Type: WROF Relay Fuse Daughter Board
Fuse Rating: 3.15 A (default)
Input span: 4-20 mA
Termination resistors: 121 Ohm
Technology: Surface Mount
Common Mode Voltage Range: ±5 V
Voltage Compatibility: 24 V, 48 V, 125 V DC
Maximum Lead Resistance: 15Ω
Terminals: SOL replaces COM
Analog output current: 0-20 mA
Operating temperature: -30 to 65 °C
Size: 15.9 cm high x 10.2 cm
Repair: 3-7 Day
Availability: In Stock
Country of Origin: United States
Manual: GEH-6421D

FUNCTIONAL DESCRIPTION:

IS200WROFH1A is a WROF Relay Fuse Daughter Board manufactured and designed by General Electric as part of the Mark VIeS Series used in GE Distributed Turbine Control Systems. It provides isolated voltage sensing that is not polarity-sensitive for each fuse. The fuse voltage feedback is compatible with 24 V, 48 V, and 125 V DC applications, as well as 120 V and 240 V AC applications. The default fuse value for the IS200WROFH1 is 3.15 A. The circuit for the IS200SRLYH2 combined with the IS200WROFH1 is shown, with the connector JW2 and its connections to J1 omitted for clarity. When WROF is used with SRLY isolated voltage feedback is used to monitor each fuse. If voltage is present and the fuse is open a diagnostic is generated. WROF fuse may be removed to allow direct use of the fuse voltage sensing circuit as a voltage detector. IS200WROF puts a single fuse in series with each relay common connection. Fuse voltage feedback is included.

FUNCTIONS:

Option board IS200WROFH1A adds an optional fuse in series with the COM connection for each relay output by using the SOL terminal in place of COM. Isolated voltage sensing that is not polarity sensitive is provided for each fuse. Fuse voltage feedback is compatible with 24 V, 48 V, and 125 V dc applications as well as 120 V and 240 V ac applications. IS200WROFH1 has default fuse values of 3.15 A. Electrically IS200TDBS plus IS200WROFH1 has the following circuit. Connector JW2 and its connections to JA1 are omitted for clarity.

CONFIGURATION:

  • When WROF is used with TDBS isolated voltage feedback is used to monitor each fuse. If voltage is present and the fuse is open a diagnostic is generated. The diagnostic may be disabled in the PDIO configuration should it be desired to use the feedback circuit with the fuse removed.
  • There are no jumpers associated with the WROFH1 board. For each relay, the inclusion or exclusion of a series fuse is determined by the terminal point used as the relay common. For each relay, the associated WROF fuse may be removed to allow direct use of the fuse voltage sensing circuit as a voltage detector.

WOC has the largest stock of GE Distributed Turbine Control System OEM Replacement Parts. We can also repair your faulty boards and supply unused and rebuilt boards backed up with a warranty. Our team of experts is available round the clock to support your OEM needs. Our team of experts at WOC is happy to assist you with any of your automation requirements. For pricing and availability on any parts and repairs, kindly contact our team by phone or email.

FREQUENTLY ASKED QUESTIONS:

What is the purpose of the Relay Fuse Daughter Board?

The Relay Fuse Daughter Board is designed to protect the relay output circuits within GE Distributed Turbine Control Systems. It achieves this by placing a fuse in series with each relay’s common connection, ensuring that the relay circuit is safeguarded against overcurrent situations.

What is the fuse rating for the Relay Fuse Daughter Board?

The default fuse rating for the Relay Fuse Daughter Board is 3.15 A, which is optimal for protecting the relay outputs from short circuits or excessive current. This fuse value is chosen to ensure the relay circuit is protected from overcurrent situations, while still allowing the system to operate within safe parameters.

What is the function of the SOL terminal?

The SOL terminal is an integral part of the Relay Fuse Daughter Board. It replaces the traditional COM terminal, allowing for the fuse to be placed in series with each relay’s common connection. The SOL terminal provides a modular and flexible approach to fuse configuration.