The SCP451-51 is processor module of Safety Control Unit for Vnet/IP Components, there are two types of safety control unit:
· Standard Type Safety Control Unit for Vnet/IP
· Wide Range Temperature Type Safety Control Unit for Vnet/IP
The PW402 is a power supply unit employed used to prevent disruptions due to momentary or extended power failure, line noise, or lightening surges, as well as to suppress harmonic current from various devices.
RLM 01 converts one simple, non-redundant Profibus line into two reciprocally redundant lines A/B. The module works bidirectionally, which means that all three interfaces can receive and transmit data.