Compact 1769-OF8C Analog Output Module 25
Publication 1769-IN065B-EN-P - September 2005
Specification 1769-OF8C
Accuracy Drift with Temperature ±0.0058% FS per °C
Output Ripple
(1)
range 0 to 50 kHz
(referred to output range)
±0.05%
Non-linearity (in percent full scale) ±0.05%
Repeatability
(2)
(in percent full scale)
±0.05%
Output Error Over Full Temperature
Range
(0 to 60°C [+32 to +140°F])
Current: ±0.55%
Output Offset Error
(0 to 60°C [+32 to +140°F])
±0.05%
Output Impedance >1 MΩ
Open and Short-Circuit Protection Yes
Maximum Short-Circuit Current 21 mA
Output Overvoltage Protection Yes
Time to Detect Open Wire Condition 5 ms
Output Response at System Power Up
and Power Down
± 0.5V dc spike for < 5 ms
Rated Working Voltage
(3)
30V ac/30V dc
Output Group to Bus Isolation 500V ac or 710V dc for 1 minute (qualification test)
30V ac/30V dc working voltage (IEC Class 2 reinforced insulation)
Module OK LED On: module has power, has passed internal diagnostics, and is
communicating over the bus.
Flashing: external power failure.
Off: Any of the above is not true.
Channel Diagnostics Over- or under-range by bit reporting
output wire broken or load resistance high by bit reporting
(1)
Output ripple is the amount a fixed output varies with time, assuming a constant load and temperature.
(2)
Repeatability is the ability of the output module to reproduce output readings when the same controller value is applied to it
consecutively, under the same conditions and in the same direction.
(3)
Rated working voltage is the maximum continuous voltage that can be applied at the input terminal, including the input
signal and the value that floats above ground potential (for example, 10V dc input signal and 20V dc potential above ground).
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