About the IS220PTURH1A
Hardware Tips and Specifications
The IS220PTURH1A is a Primary Turbine Specific Primary Trip pack. This component provides an electrical interface between a turbine control terminal board and either one or two Ethernet networks. Outputs from this pack occur through a DC-62 pin connector that connects to an associated terminal board. The IS220PTURH1A is built with a black outside casing with openings for air circulation. The front of this case has:
- multiple LED indicators
- an IR (infrared port.)
Inside this casing, there is a processor board, a second board specific to turbine control, and an analog acquisition auxiliary board. The pack mounts to the TTURH1C terminal board. The processor board has two 10/100 Ethernet ports, flash memory, and RAM, a read-only chip for identification, an internal temperature sensor, and a reset circuit.
The style of terminal block that has been afforded to this IS220PTURH1A product's norma Mark VI Series assembly is the Euro-style terminal block; most likely the most common General Electric terminal block style available across the entirety of their Mark Series product suite.
IS220PTURH1A Device Voltage Specifications
The IS220PTURH1A allows for Auto-reconfiguration, which will automatically download from the controller to the I/O pack. The reconfiguration includes baseload, bootload, firmware, and parameters. Auto-reconfiguration must be enabled for this to occur. This is enabled or disabled in the Toolbox ST application through the Component Editor. The IS220PTURH1A has an interface with four passive, magnetic speed inputs. Circuit sensitivity can allow detection of 2-RPM turning gear speed to determine if the turbine has dropped to zero speed (turbine has stopped.)
The median speed signal on the pack is used for speed control and for primary overspeed trip signal. Consult manuals or datasheets from the manufacturer if you need more information. This IS220PTURH1A product from GE"s Mark Series suite is, as these products often are, a highly voltage-sensitive model of printed circuit board. With this being the case, General Electric is sure to list many of this IS220PTURH1A device's various electrical characteristics in a chart form for your convenience of research. Some of this IS220PTURH1A device's specific electrical specifications include its:
- 27.4-28.6 V dc Power Supply Voltage
- 16-140 V dc TRPA Voltage Detection Inputs Voltage
- 18-140 V dc TRPA E-stop Input Voltage
- -15-15 V dc TRPA Speed Inputs Voltage
- 28 V dc O.C. Voltage E-stop Power Output Voltage
- 17 mA dc S.C. Current E-stop Power Output Voltage
- 24 V dc TRPA Contact Out Voltage
