Data Value Unit
Time constant of the input filter 1 ms
Conversion cycle 0.33 ms
Resolution 14 bits
Temperature coefficient ± % of full scale (0 … 20 mA) ±0.005 %/K
Maximum error at 25 °C ± % of full scale (0 … 20 mA) ± 0.25 %
Maximum error over full temperature range ± % of full scale
(0 … 20 mA)
± 0.25 %
Value of a LSB (least significant bit) 2.03 µA
Maximum permanent allowed overload (no damage) (self-pro-
tected), voltage
32 V DC
Maximum permanent allowed overload (no damage) (self-pro-
tected), current
24 mA
Non-linearity (of full scale) ±0.05 %
Sample repetition time 3.3 ms
Input filter characteristics - first order, filter time constant 1 ms
Transition frequency 160 Hz
Overvoltage protection Yes
Electrical isolation
Against internal supply and other modules.
Input signal indication
One LED per channel.
AC500-S Safety Modules
AI581-S analog safety input module > Technical data
30.03.2017AC500-S156