20 FLEX I/O Digital DC Output Modules
Publication 1794-IN094D-EN-P - July 2018
Weight, approx. 73 g (2.57 oz.) – 1794-OB8
104 g (3.66 oz.) – 1794-OB8EP
78 g (2.75 oz.) – 1794-OB16
74 g (2.61 oz.) – 1794-OB16P
85 g (2.99 oz.) – 1794-OB32P
Indicators (field side indication) 8 yellow status indicators – 1794-OB8, 1794-OB8EP
8 red fault indicators – 1794-OB8EP
16 yellow status indicators – 1794-OB16, 1794-OB16P
32 yellow status indicators – 1794-OB32P
External DC power supply voltage,
nom
24V DC
External DC power voltage range (1794-OB8, 1794-OB16, 1794-OB16P, 1794-OB32P)
10...31.2V DC (includes 5% AC ripple)
(1794-OB8EP)
19.2...31.2V DC (includes 5% AC ripple)
External DC power supply current 25 mA @ 24V DC (10...35 mA) – 1794-OB8
80 mA @ 24V DC – 1794-OB8EP
49 mA @ 24V DC (20...65 mA) – 1794-OB16
60 mA @ 24V DC (25...75 mA) – 1794-OB16P (see Derating Curve)
219 mA @ 24V DC (104 mA @ 10V DC; 278 mA @ 31.2V DC) –
1794-OB32P
North American temp code T4A – 1794-OB8, 1794-OB8EP, 1794-OB16
T3C – 1794-OB16P, 1794-OB32P
IEC temp code T4 – 1794-OB8, 1794-OB8EP, 1794-OB16
T3 – 1794-OB16P
Keyswitch position 2
Enclosure type rating None (open-style)
Wire size Determined by installed terminal base
Wiring category
(1)
2 - on signal ports
(1)
Use this Conductor Category information for planning conductor routing. Refer to Industrial Automation Wiring and
Grounding Guidelines, publication 1770-4.1.
General Specifications
Attribute Value
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