"Number of inputs: 16 (8 points/group)
Voltage category: 24V DC (sink/source)
Operating voltage range: 10-30V DC @ 30 °C (86 °F), 10- 26.4V DC @ 60 °C (140 °F)
Hardware delay: 8 ms (typical) for OFF to ON and ON to OFF transitions
Current,
on-state input: 2.0 mA minimum
Current,
off-state input: 1.5 mA maximum
Backplane current @ 5V: 115 mA ( 0.58 W)
Power supply distance rating: 8 modules"