Technical data

Rockwell Automation Publication 1769-TD006C-EN-P - March 2012 87
1769 Compact I/O Modules Specifications
1769-OF4CI
Compact current output, individually-isolated analog module
Table 68 - Technical Specifications - 1769-OF4CI
Attribute 1769-OF4CI
Outputs 4 differential, individually isolated
Output range 0…20 mA
4…20 mA
Full scale range
(1)
0…21 mA
3.2…21 mA
Resolution 16 bits (unipolar)
0…20 mA: 15.91 bits, 0.323 μA/bit
4…20 mA: 15.59 bits, 0.323 μA/bit
Bus current draw 5V, 165 mA
124V, 110 mA
Heat dissipation, max 2.68 W
Conversion rate (all channels), max 110 ms
Limited voltage/current
(2)
< 2.9 ms
Resistive load on current output 0…500 Ω (includes wire resistance)
Inductive load (current outputs), max 0.1 mH
Field calibration None required
Accuracy
(3)
±0.35% full scale @ 25 °C (77 °F)
Accuracy drift with temperature ±0.0058% FS per °C
Output ripple
(4)
±0.05% @ 0…50 kHz
Nonlinearity ±0.05%
1769-OF4CI
Current
Earth Ground