Specifications

Publication 1794-SG002D-EN-P - May 2012
Select FLEX I/O Modules 23
1794-OM8 Derating Curve
The area within the curve represents the safe operating range for the module
under various conditions of user supplied 220V AC supply voltages and ambient
temperatures.
= Normal mounting safe operating range included
= Other mounting positions (including inverted horizontal, vertical) safe
operating range
FLEX I/O Digital DC Input Modules
Ambient Temperature °C
V
in
On-State
Voltage
(V AC)
Digital DC Input Comparison
Specification 1794-IB8,
1794-IB16,
1794-IB16XT
1794-IV16 1794-IB32 1794-IV32 1794-IC16 1794-IG16 1794-IH16
Voltage, on-state input, min 10V DC, sinking 10V DC,
sourcing
19.2V DC,
sinking
19.2V DC,
sourcing
30V DC,
sinking
-0.2V DC, TTL 90V DC,
sinking
Voltage, on-state input, nom 24V DC 48V DC 0V DC 125V DC
Voltage, on-state input, max 31.2V DC 60V DC 0.8V DC 146V DC
Voltage, off-state input, max 5V DC 10V DC 2.0...5.5V DC 20V DC
Terminal base unit 1794-TB3,
1794-TB3S,
1794-TB3K,
1794-TB3SK
1794-TB3,
1794-TB3S,
1794-TB3K,
1794-TB3SK
1794-TB32, 1794-TB32S 1794-TB3, 1794-TB3S, 1794-TB3K, 1794-TB3SK
Current, on-state input, min 2.0 mA — 1.0 mA
Current, on-state input, nom 8 mA @ 24V DC 4.1 mA @ 24V
DC
4.1 mA 5 mA @ 48V
DC
— 2 mA @ 125V
DC
Current, on-state input, max 1794-IB16:12 mA
1794-IB8, 1794-IV16: 11 mA
1794-IB16XT: 5.0 mA
6 mA 6 mA 11 mA — 3 mA
Current, off-state input, max 1.5 mA 4.1 mA 0.8 mA
Input impedance, max 4.6 kΩ 4.7 kΩ 6 kΩ 11 kΩ —60 kΩ
Power dissipation, max 3.5 W @ 31.2V
DC
(1)
5.7 W @ 31.2V
DC
6.0 W @ 31.2V DC 6.4 W @ 60V
DC
1.4 W @ 5.5V
DC
6 W @ 146V
DC
Thermal dissipation, max 11.9 BTU/hr @
31.2V DC
(2)
19.4 BTU/hr @
31.2V DC
20.5 BTU/hr @ 31.2V DC 21.9 BTU/hr
@ 60V DC
4.78 BTU/hr
@ 5.5V DC
20.47 BTU/hr
@ 146V DC