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SPECIFICATIONS:
Part Number: IS220PRTDH1BC
Manufacturer: General Electric
Series: Mark VIe
Product Type: Resistance Temperature Device Input Terminal Board
Number of Input channels: 8
Common Mode Voltage Range: 5 V
Max Lead Resistance: 15 Ohm
Power supply voltage: 28V dc
A/D Converter Resolution: 14-bit
Technology: Surface Mount
Operating temperature: -30 to 65 �C
Size: 33.02 cm high x 17.8 cm
Repair: 3-7 Day
Availability: In Stock
Country of Origin: United States
Manual: GEH-6721D
FUNCTIONAL DESCRIPTION:
IS220PRTDH1BC is a Resistance Temperature Device Input Terminal Board manufactured and designed by General Electric as part of the Mark VIe Series used in GE Distributed Control Systems. The PRTD serves as the electrical interface between one or two I/O Ethernet networks and an RTD input terminal board. It includes a processor board common to all Mark VIe distributed I/O packs and an acquisition board designed for thermocouple input. The pack supports up to eight RTD inputs and can manage 16 RTD inputs on TRTD terminal boards. Input is received via a DC-37 pin connector linked to the terminal board, along with a three-pin power input. Output is provided through dual RJ45 Ethernet connectors. Diagnostic features include indicator LEDs and an infrared port for local serial communications.
COMPATIBILITY:
The PRTDH1B is compatible with RTD input terminal boards TRTDH1D, H2D, and the SRTD board but not with the DIN-rail mounted DRTD board. Control mode indicates the number of I/O packs used in a signal path. The table below provides compatibility details.
The PRTD ensures galvanic isolation of the TRD input circuit, requiring modifications to the terminal board's transient protection, which is included in the TRTDH1D and TRTDH2D boards. The H1D board features filtering suited for the standard PRTD scan rate, while the H2D board has reduced filtering to support proper operation at the fast scan rate. If PRTD is installed on an earlier TRTD board revision, an incompatibility will be reported, but no physical damage will occur.
INSTALLATION:
Secure the packs mechanically using the threaded inserts near the Ethernet ports, which connect to a mounting bracket specific to the terminal board type. Adjust the bracket to prevent right-angle force on the DC-37 pin connector. This adjustment is needed only once during the product's lifespan. Connect one or two cables, depending on system configuration, to ensure proper operation. When using dual connections, the standard practice is to link ENET1 to the network associated with the R controller. Power the pack by plugging in the connector on its side. Removing power from the cable beforehand is unnecessary, as the I/O pack features a soft-start capability that regulates current inrush during power application.
WOC maintains the largest inventory of OEM replacement parts for GE Distributed Control Systems. We also offer repair services for faulty boards and supply both unused and rebuilt boards, all backed by a warranty. Our experts are available 24/7 to support your automation needs. For pricing and availability on parts or repairs, please contact our team via phone or email.
What is the function of an RTD Input Terminal Board?
The RTD Input Terminal Board is designed to interface Resistance Temperature Devices (RTDs) with a control system, enabling accurate temperature measurement. It processes RTD signals and transmits them to an I/O module for monitoring and control.
How many RTD inputs does the board support?
The RTD Input Terminal Board supports up to eight RTD inputs, while some versions, such as the TRTD, can accommodate up to 16 inputs. This allows for flexible temperature sensing configurations in industrial applications.
What type of RTDs are compatible with the board?
The board is compatible with standard industrial RTDs, including 2-wire, 3-wire, and 4-wire configurations. It supports common RTD types such as PT100 and PT1000, ensuring accurate and reliable temperature measurement.
How is the board connected to the control system?
The board connects to the control system via a DC-37 pin connector, which links directly to the associated I/O pack. Data transmission occurs through dual Ethernet ports, ensuring seamless integration with distributed control systems.
