Specifications

Publication 1794-SG002D-EN-P - May 2012
Select FLEX I/O Modules 21
1794-IM8 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.
= All mounting positions (including normal horizontal, vertical, inverted
horizontal) safe operating range.
FLEX I/O Digital AC Output Modules
Ambient Temperature °C
V
in
On-State
Voltage
(V AC)
Digital AC Output Comparison
Specification 1794-OA8, 1794-OA8I 1794-OA16 1794-OM8 1794-OM16
Voltage, on-state output, nom 120V AC
(2)
220V AC 240V AC
Terminal base unit 1794-TBN, 1794-TBNF,
1794-TB2, 1794-TB3,
1794-TB3S, 1794-TBKD,
1794-TBNK, 1794-TBNFK,
1794-TB3K, 1794-TB3SK
1794-TBN
(4)
, 1794-TBNF,
1794-TB2, 1794-TB3S,
1794-TBKD, 1794-TBNK,
1794-TBNFK, 1794-TB3K,
1794-TB3SK
1794-TBN, 1794-TBNF, 1794-TBNK,
1794-TBNFK
Current, on-state output, min 5 mA per output
Current, on-state output, max 500 mA pre output @ 55 °C
(3)
750 mA per output @ 35 °C
1.0 A on 4 nonadjacent
outputs and 500 mA on the
remaining 4 outputs @ 30 °C
500 mA per output @ 55 °C
(5)
500 mA @ 55 °C
(6)
Current, on-state output, per module 4.0 A (8 outputs @ 500 mA) 4.0 A (16 outputs @ 250 mA) 4.0 A (8 outputs @
500 mA)
(5)
4.0 A (16 outputs @
250 mA)
Leakage current, off-state output, max 2.25 mA 2.5 mA
Voltage drop, on-state output, max 1.0V @ 0.5 A 1.5V @ 0.5 A
Output surge current, max 7 A for 45 ms, repeatable
every 8 s
7 A for 40 ms, repeatable every 8 s
Voltage, on-state output, min
(1)
85V AC 159V AC
Voltage, on-state output, nom 120V AC 240V AC
Voltage, on-state output, max 132V AC 264V AC
Power dissipation, max 4.1 W @ 0.5 A
6.3 W @ 0.75 A
6.3 W @ 1.0 A
4.7 W @ 0.5 A 5 W @ 0.5 A 6 W @ 264V AC
Thermal dissipation, max 14.0 BTU/hr @ 0.5 A
21.1 BTU/hr @ 0.75 A
21.4 BTU/hr @ 1.0 A
16.1 BTU/hr @ 0.5 A 17.1 BTU/hr @ 0.5 A 20.47 BTU/hr @ 264V
AC