Specifications

Publication 1794-SG002D-EN-P - May 2012
52 Select FLEX I/O Modules
1794-OE4 and 1794-OE4XT Analog 4 Output Module
The 1794-OE4 module has 4 output, non-isolated, individually-configurable
channels. Outputs are capable of driving the field devices that require a voltage of
±10V or a current of 0… 20 mA.
1794-OF4I 4…20 mA
0…20 mA
±10V
0…10V
±5V
0…5V
210 mA @ 24V DC 4.7 W @ 31.2V DC 16 BTU/hr @ 31.2V DC
1794-OF8IH 4…20 mA (user configurable)
0…20 mA (user configurable)
450 mA @ 24V DC 5.0 W @ 31.2V DC 6.8 BTU/hr @ 31.2V DC
1794-IE8XOE4
(1)
4…20 mA
0…20 mA
±10V
0…10V
140 mA @ 24V DC;
280 mA @ 10.0V DC
3.0 W @ 31.2V DC;
2.3 W @ 24V DC;
2.0 W @ 10.0V DC
10.3 BTU/hr @ 31.2V DC
1794-IE4XOE2
(1)
4…20 mA
0…20 mA
±10V
0…10V
70 mA @ 24V DC 4.0 W @ 31.2V DC 13.6 BTU/hr @ 31.2V DC
1794-IF2XOF2I
(1)
4…20 mA
0…20 mA
±10V
0…10V
±5V
0…5V
150 mA @ 24V DC 3.3 W @ 31.2V DC 11 BTU/hr @ 31.2V DC
(1) Each module’s channel is individually selectable or as a group of four.
(2) Not including outputs.
Analog Output Comparison
Catalog Number Output Signal Range External DC Supply
Current, Nom
Power Dissipation,
Max
Thermal Dissipation,
Max
Analog 4 Input Modules
Specification 1794-OE4 1794-OE4XT
Output resolution 12 bit + sign
2.56 mV/cnt
5.13 μA/cnt
12 bits + sign
0.156 mV/cnt
0.320 μA/cnt
Data format 16 bits, 2’s complement, left-justified
Output conversion type Pulse width modulation
Output conversion rate 1.024 ms all channels Outputs: PWM
Step response to 63% of
FS, output
Voltage output: 24 ms
Current load on voltage
output, max
3 mA
Output current, resistive
load
15…750 Ω
Accuracy Current input:
0.425% Full Scale @ 25 °C (77 °F)
Voltage input:
0.133% Full Scale @ 25 °C (77 °F)
(1)