Rockwell Automation 1762-Lxxxx MicroLogix 1200 Programmable Controllers - Manual (Page 114)

Publication 1762-UM001G-EN-P - March 2011
A-22 Specifications
Table A.26 Output Specifications
Specification 1762-IF2OF2 1762-OF4
Number of outputs 2 single-ended (unipolar)
4 single-ended (unipolar)
(2)
Update time (typical) 4.5 ms
D/A converter type Resistor string R-2R Ladder Voltage Switching
Resistive load on current output 0…500
Ω
(includes wire resistance) 0…500
Ω
(includes wire resistance)
Load range on voltage output > 1 k
Ω
> 1 k
Ω
Reactive load, current output < 0.1 mH < 0.1 mH
Reactive load, voltage output < 1
μ
F < 1
μ
F
Typical overall accuracy
(1) ±1.17% full scale at -20…65 °C
(-4…149 °F)
(2)
±0.5% full scale at 25 °C (77 °F)
±1.17% full scale at -20…65 °C
(-4…149 °F)
(2)
±0.5% full scale at 25 °C (77 °F)
Output ripple range 0 to 500 Hz
(referred to output range) < ±0.1% < ±0.1%
Non-linearity (in percent full scale)
< ±0.59%
(2)
< ±0.59%
(2)
Open and short-circuit protection Continuous Continuous
Output protection ±32 mA ±32 mA
Heat dissipation 2.6 W 2.8 W
(1) Includes offset, gain, non-linearity and repeatability error terms.
(2) Only applicable to Series B I/O modules.
Table A.27 Valid Input/Output Data Word Formats/Ranges for 1762-IF2OF2
Normal Operating Range Full Scale Range RAW/Proportional Data Scaled-for-PID
0…0V dc 10.5V dc 32760 16380
0.0V dc 0 0
4… 20 mA 21.0 mA 32760 16380
20.0 mA 31200 15600
4.0 mA 6240 3120
0.0 mA 0 0