GRV-CSERI-4 groov serial communication module, 4 channels, RS-232 or RS-485, channel-to-channel isolation
GRV-IV-24 Analog voltage input, 24 channels, 8 configurable input ranges from ±160 V to ±1.25 VDC, no channel-to-channel isolation
GRV-IVI-12 Analog voltage input, 12 channels, 8 configurable input ranges from ±1.25 to ±160 V, channel-to-channel isolation
GRV-IACIS-12 AC/DC discrete input, 12 channels, 85-140 VAC/VDC, channel-to-channel isolation, on/off state only