... other signals. It also has some other functions, including isolated power distribution output of sensors, relay alarm output, ... 3/F40Frequency input 40*3/FB8Frequency input 8,12VDC isolated power distribution per channel *3/FB16 Frequency input 16 ... isolatedpower distribution per channel *3/FB32Frequency input 32, 12VDC isolated power distribution per channel *3/FB40Frequency input 40, 12VDC ...