52 Publication 1769-UM020A-EN-P - December 2009
Appendix A Specifications
Output Specifications –
1769-OF4
Vendor I.D. code 1
Product type code 10
Product code 48
Input words 5
Output words 5
Configuration words 32
Attribute 1769-OF4
Attribute 1769-OF4
Analog normal operating
ranges
(1)
(1) The over- or under-range flag will come on when either the High Clamp or the Low Clamp values are exceeded.
When either range flag is set, the module clamps the corresponding channel’s output to the High Clamp or the
Low Clamp value. Unless latched, the flag automatically resets when directed to a value between the High
Clamp and the Low Clamp values. The output channel value always returns to normal operation when directed
to a value allowed by the High Clamp and Low Clamp values (even if latching of the Clamp status bits is
enabled).
0…20 mA, 4…20 mA, ±10V DC, 0…10V DC,
0…5V DC, 1…5V DC
Full scale analog ranges
(1)
0…21 mA, 3.2…21 mA, ±10.5V DC, -0.5…10.5V DC,
-0.5… 5.25V DC, 0.5… 5.25V DC
Number of outputs 4 single-ended, voltage or current
Digital resolution across full
range
15 bits plus sign unipolar and bipolar
Conversion rate (all channels)
max
Interrupts not enabled: 2.5 ms
Interrupts enabled: 3.8 ms
Step response to 63%
(2)
(2) Step response is the period of time between when the D/A converter was instructed to go from minimum to full
range until the device is at 63% of full range.
2.9 ms
Resistive load Current: 0…600 Ω (includes wire resistance)
Voltage: 1 kΩ or greater
Inductive load, max. 0.1 mH (current loads), 1.0 µF (voltage loads)
Field Calibration None required
Overall Accuracy
(3)
(3) Includes offset, gain, drift, non-linearity, and repeatability error terms.
0.5% full scale at 25 °C (77 °F)
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