Functionality

Digital outputs	16 normally open relay outputs (24 V DC or 100-240 V AC, 2 A max.). The max. total current per group is limited to 10 A.
LED displays	For signal statuses
Internal power supply	Via I/O-Bus
External power supply	Via the terminals L+ (process voltage 24 V DC) and M (0 V DC); the M terminal is connected to the M terminal of the CPU via the I/O-Bus