IS220PHRAH1AThe IS220PHRAH1A module is a dedicated input/output (I/O) module that is primarily used to provide a direct interface to a specific turbine site device. This setup can eliminate or reduce much of the instrumentation previously required to connect to fiel
d equipment, thereby increasing operational reliability and reducing the need for long-term maintenance. In addition, the module is usually used in conjunction with TREAH_A terminal boards for emergency trip applications in aero-modified turbines. It can also be connected to a screen or box terminal and has a field wiring limit for voltage detection, limiting cable length to 1000 ft 2.
