Description
Part No.: IS200TPROH1C
Manufacturer: General Electric
Product Type: Emergency Protection (TPRO) terminal board
Series: Mark VIe
The IS200TPROH1C is an Emergency Protection (TPRO) terminal board developed by GE. Three PPRO I/O packs are housed on the Emergency Protection (TPRO) terminal board. It has a pair of potential transformers (PTs) for bus and generator voltage input and conditions speed signal inputs for the PPROs. There are three DC-37 pin connectors on it, one on each side of the PPRO pack connectors. A cable leading to a Mark* VIe backup trip relay terminal board is accepted by each DC-37. TPROH1C has two pluggable blocks with 24 barrier terminals each.
Do not inadvertently cross-connect the 240 V ac and dc voltages in 240 V ac applications. The peak voltage will be higher than the MOV rating, causing the MOV to fail. Most ac supplies have a grounded neutral, so if an unintended connection between the 125 V dc and the ac voltage is made, the sum of the ac peak voltage and the 125 V dc is applied to MOVs connected between dc and ground. On the other hand, in 120 V ac applications, the MOV rating can endure the peak voltage without failing.
IS200TPROH1C Compatibility
TPROH1C is a simplex and TMR application that works with the PPRO I/O pack. TPROH#C links to three PPRO I/O packs in TMR systems. TPROH1CD and H12C both accept three PPROH1As for direct attachment and include DC-37 connections for three cables to the backup trip relay terminal boards.
IS200TPROH1C Installation
TPROH1C and a plastic insulator are mounted on a DIN-rail-mounted sheet metal carrier. The TPRO and insulator can also be mounted on a sheet metal assembly that bolts directly into a panel. Typical #18 AWG wires are used to connect speed signals and PT inputs to the terminal block. The TPROH1C barrier terminal block can be removed to replace the board. The TPROH2C is a removable Euro-Block type terminal block that can be plugged in.
IS200TPROH1C Operation
On terminals 31-48, nine-speed inputs are displayed. The consumer can get P24 output from Terminals 5, 9, and 11. The return path for the P24 output is Terminal 8 (MARET). ORing the 28 V power supply of I/O packs R, S, and T yield the P24 output. P24 V output can be accessed even if any of the I/O packs are turned off. Terminals 6, 10, and 12 are 4-20 mA inputs that are fanned to R, S, and T PPRO connections and are allocated for future control extensions. For the 4-20 mA input, Terminal 8 (MARET) serves as a return path.
Features
Pulse rates of magnetic speed pickup
range from 2 Hz to 20,000 Hz.
The pulse rate accuracy of the magnetic speed pickup
0.05 percent of the reading.
Dimensions
15.9 cm tall x 17.8 cm broad
Technology
Surface-mount
Operating temperature
30°C to 65°C
Diagnostics
Electronic ID parts on the TPRO board and backup trip relay terminal board are scanned during power initiation. PPRO uses this data to verify that the hardware configuration is correct before initiating normal operations.
Configuration
When thermocouple inputs are used, all JPX, JPY, and JPZ jumpers should be in the (1, 4, 7, 10) position; when 4-20 mA inputs are used, all JPX, JPY, and JPZ jumpers should be in the (3, 6, 9, 12) position.
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