2-channel isolated barrier, 24 V DC supply (bus or loop powered), Output 45 mA at 12 V DC, Line fault transparency (LFT), Test pulse immunity, Housing width: 20 mm, Number of channels: 2-channel, Line fault transparency, Rated voltage: 18 ... 30 V DC, Type: logic input, Type [2]: field device supply, Test pulse immunity, Field device: 2 x Valve, Field device [2]: 2 x audible alarm, Field device [3]: 2 x visual alarm, Line fault detection, Voltage: ? 12 V