
FLEX I/O Digital DC Output Modules
21
Publication 1794-IN094C-EN-P - July 2015
Specifications – 1794-OB32P
Attribute
Value
Number of outputs
32, current, sourcing
Recommended terminal base unit
1794-TB32, 1794-TB32S
On-state voltage, output min
10V DC
On-state voltage, output nom
24V DC
On-state voltage, output max
31.2V DC
Output current rating
14.0 A max per module (6 A total for channels 0...15; 8 A total for
channels 16...31)
On-state current, min
1.0 mA per channel
On-state current, max
500 mA per channel
On-state voltage drop, max
0.5V DC
Surge current
2 A for 50 ms, repeatable every 2 seconds
Off-state leakage current, max
0.5 mA
Isolation voltage
50V (continuous), Basic Insulation Type
Type tested at 850V DC for 60 s, between field side and system
No isolation between individual channels
Output signal delay
(1)
Off to On
On to Off
0.5 ms
1.0 ms
FlexBus current
80 mA @ 5V DC
Power dissipation, max
5.3 W @ 31.2V DC
Thermal dissipation, max
18.1 BTU/hr @ 31.2V DC
Fusing
Outputs are electronically protected
(1)
Delay time is the time from the receipt of an output on or off command to the output actually turning on or off.
General Specifications
Attribute
Value
Off-state voltage, max
31.2V DC
Terminal base screw torque
Determined by installed terminal base
Dimensions, approx. (H x W x D)
94 x 94 x 69 mm (3.7 x 3.7 x 2.7 in.)