Specifications
Publication 1794-SG002D-EN-P - May 2012
Select FLEX I/O Modules 51
FLEX I/O Analog Output Modules
Normal mode rejection ratio -3 dB @ 12 Hz (300 Hz conversion rate)
-80.0 dB @ 50 Hz (300 Hz conversion rate)
-3 dB at 6 Hz (150 Hz conversion rate)
-80 dB at 60 Hz (150 Hz conversion rate)
Accuracy
(1)
Current input or output: 0.1% Full Scale @ 25 °C
Voltage input or output: 0.1% Full Scale @ 25 °C
Accuracy drift with temperature Current input: 0.0038% Full Scale/°C
Voltage input: 0.0028% Full Scale /°C
Current output: 0.0025% Full Scale /°C
Voltage output: 0.0012% Full Scale /°C
Input impedance Current input: <100 Ω
Voltage input: >1 MΩ
(3)
Voltage input, overload, max 30V, single channel, continuous
Output resolution 15 bit + sign
0.656 μA/cnt
0.320 mV/cnt
Output conversion type Digital-to-analog converter
Output conversion rate 2.5/5.0 ms
Current load on voltage output, max 3 mA
Resistive load on current output 0…750 Ω
Dimensions (HxWxD), approx 1794-IF2XOF2I:
46 x 94 x 53 mm (1.8 x 3.7 x 2.1 in.)
94 x 94 x 69 mm (3.7 x 3.7 x 2.7 in.) installed
1794-IF2XOF2IXT:
46 x 94 x 75 mm (1.8 x 3.7 x 2.9 in.)
94 x 94 x 91 mm (3.7 x 3.7 x 3.6 in.) installed
Temperature, operating 1794-IF2XOF2I: 0…55 °C (32…131 °F)
1794-IF2XOF2IXT: -20…70 °C (-4…185 °F)
(1) Includes offset, gain, non-linearity and repeatability error terms.
(2) Can be calibrated in field when necessary.
(3) If 24V DC is removed from the module, input resistance = 10 K
Ω.
2 Input/2 Output Isolated Combination Module
Specification 1794-IF2XOF2I, 1794-IF2XOF2IXT
Analog Output Comparison
Catalog Number Output Signal Range External DC Supply
Current, Nom
Power Dissipation,
Max
Thermal Dissipation,
Max
1794-OE4
(1)
4…20 mA
0…20 mA
±10V
0…10V
70 mA @ 24V DC
(2)
4.5 W @ 31.2V DC 15.3 BTU/hr @ 31.2V DC
1794-OE4XT 180 mA @ 10.5V DC 13.6 BTU/hr @ 31.2V DC
1794-OE8H 4…20 mA (user configurable)
0…20 mA (user configurable)
255 mA @ 24V DC 6.1 W 20.8 BTU/hr
1794-OE12 0 mA output until module is configured
4…20 mA (user configurable)
0…20 mA (user configurable)
320 mA @ 24V DC;
720 mA @ 10.0V DC
40 W @ 31.2V DC;
4.3 W @ 24V DC;
10.0 W @ 10.0V DC
14.7 BTU/hr @ 24V DC