Type             Designation                                                                                  Ordering number (PNR)IRC4               Intelligent relay card:                      – Standard – no configuration set                                            620-005-0Ss-1Hh                     – Standard – specific configuration programmed            601-001-CCC-VVvHigh-quality, high-reliability intelligent relay card for VM600 rack-based machinery monitoring systems. An IRC4 intelligent relay card is installed in the rear of a VM600 ABE04x rack.FeaturesAdditional relays, driven by equations with up to 86 inputs from MPC4 and/or AMC8 cards for when more complex logic such as 2oo3 voting is required8 relays configurable as 8 SPDT or 4 DPDTFully software configurable using the IRC4 Configurator softwareRelays configurable as normally energised (NE) or normally de-energised (NDE), with configurable delaysAll relay contacts are available on the screw-terminal connectors