AC Digital Input Module | PN: 1746-IAxx

Specifications	1746-IA4	1746-IA8	1746-IA16	1746-IM4	1746-IM8	1746-IM16	1746-IN16
Number of inputs	4	8	16	4	8	16	16
Points per common	5	8	16	4	8	16	16
Voltage category	100/120V AC	100/120V AC	100/120V AC	200/240V AC	200/240V AC	200/240V AC	24V AC/DC
Operating voltage range	85…132V AC @ 47…63 Hz	85…132V AC @ 47…63 Hz	85…132V AC @ 47…63 Hz	170…265V AC @ 47…63 Hz	170…265V AC @ 47…63 Hz	170…265V AC @ 47…63 Hz	10…30V AC 10…30V DC
Backplane current (mA) @ 5V	35 mA	50 mA	85 mA	35 mA	50 mA	85 mA	85 mA
Backplane current (mA) @ 24V	0 mA	0 mA	0 mA	0 mA	0 mA	0 mA	0 mA
Voltage, off-state input, max	30V AC	30V AC	30V AC	50V AC	50V AC	50V AC	3.0V DC 3.0V AC
Nominal input current	12 mA @ 120V AC	12 mA @ 120V AC	12 mA @ 120V AC	2 mA @ 240V AC	2 mA @ 240V AC	2 mA @ 240V AC	8 mA @ 24V DC 8 mA @ 24V AC
Current, off-state input, max	2 mA	2 mA	2 mA	2 mA	2 mA	2 mA	1 mA (DC) 1 mA (AC)
Inrush current, max.(1)	0.8 A	0.8 A	0.8 A	1.6 A	1.6 A	1.6 A	0.02 A (AC only)
Inrush current time duration, max.	0.5 ms	0.5 ms	0.5 ms	0.5 ms	0.5 ms	0.5 ms	—
Signal on delay, max.	35 ms max	35 ms max	35 ms max	35 ms max	35 ms max	35 ms max	15 ms max (DC) 25 ms (AC)
Signal off delay, max	45 ms max	45 ms max	45 ms max	45 ms max	45 ms max	45 ms max	15 ms max (DC) 25 ms (AC)