IS210DPWAG1A - Transducer Power Distribution Terminal Board

SPECIFICATIONS:

Part Number: IS210DPWAG1A
Manufacturer: General Electric
Series: Mark VI
Product Type: Transducer Power Distribution Terminal Board
Power Inputs: 10V
Input Voltage: 28V DC ±5%
Output Voltage: 12V DC ±5%
Total Output Current: 0 – 1.2 A
Dimensions: 16.51 cm × 17.8 cm
Mounting: DIN-rail mounting
Operating Temperature: 0 to 55°C
Size: 16.51 cm High x 17.8 cm
Repair: 3-7 days
Availability: In Stock
Weight: 2 lbs
Country of Origin: United States
Manual: GEH-6421V

FUNCTIONAL DESCRIPTION:

IS210DPWAG1A is a Transducer Power Distribution Terminal Board manufactured and designed by General Electric as part of the Mark VI Series used in GE Speedtronic Control Systems. The Transducer Power Distribution (DPWA) terminal board is a DIN-rail mounted power distribution board. It accepts input voltage of 28 V dc ±5%, provided through a two-pin Mate-N-Lok connector. Connectors are provided for two independent power sources to allow the use of redundant supplies. The input can accept power from a floating isolated voltage source. The input to DPWA includes two 1 k Ohm resistors from positive and negative input power to SCOM. These center a floating power source on SCOM. Attenuated input voltage is provided for external monitoring. Output power of 12 V dc ±5% is connected to external devices through a Euro-type terminal block, using screw terminals and AWG#18 twisted-pair wiring. The DPWA provides three output terminal pairs with a total output rated at 0 to 1.2 A. The outputs are compatible with the XDSAG#AC interface board. Outputs are short-circuit-protected and self-recovering.

INSTALLATION:

Mount the DPWA assembly on a standard DIN rail. Connect input power to connector P1. If multiple DPWA boards are used, use connector P2 as a pass-through connection point for the power to additional boards. If a redundant power input is provided, connect power to connector P3 and use connector P4 as the pass-through to additional boards. Connect the wires for the three output power circuits on screw terminal pairs 9-10, 11-12, and 13-14.

OPERATION:

The DPWA has an on-board power converter that changes the 28 V dc to 12 V dc for the transducers. A redundant 28 V dc supply can be added if needed. The following figure displays the DPWA power distribution system feeding power to 12 LG-1237 pressure transducers.

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FREQUENTLY ASKED QUESTIONS:

What input and output voltages does IS210DPWAG1A support?

This board accepts a 28V DC input (±5%) and converts it to a 12V DC output (±5%) for external devices. It supports up to three output terminal pairs with a total current capacity of 0 to 1.2 A.

How are the voltage monitor outputs attenuated, and what is the purpose of attenuation?

The voltage monitor outputs are attenuated by a 6, 1 ratio, allowing for the reading of the 28 V dc input voltage using a 5 V dc full-scale input. Attenuation ensures that the voltage levels are compatible with monitoring equipment and prevent damage to sensitive components.

What are the specific functions of terminals PSRet, PS28VA, and PS28VB?

Terminal 1 (PSRet) Attenuated voltage present on the power input return line. Terminal 3 (PS28VA) Attenuated voltage present on the P1 positive power input line. Terminal 5 (PS28VB) Attenuated voltage present on the P3 positive power input line.