Technical specifications
Analog Input Module AI 8xU/R/RTD/TC HF (6ES7531-7PF00-0AB0)
50 Manual, 09/2016, A5E36647959-AB
Internal temperature compensation
Yes
External temperature compensation via RTD
Yes
Compensation for 0 °C reference point tem-
perature
Yes, fixed value can be set
Reference channel of the module
Yes; 9th channel that can be used regardless of
the parameterization of the other channels than
as the genuine 9th RTD channel or for compen-
sation for TC measurement
800 m; with U; 200 m with R/RTD/TC
Analog value generation for the inputs
Integration and conversion time/resolution per
channel
Resolution with overrange (bit including sign),
max.
Configurable integration time
Fast mode: 2.5 / 16.67 / 20 / 100 ms; standard
mode: 7.5 / 50 / 60 / 300 ms
ion time, including integration time
Fast mode: 4 / 18 / 22 / 102 ms; standard mode:
Additional conversion time for wire break moni-
toring
Thermocouples. 150 Ohm, 300 Ohm, 600 Ohm,
Cu10, Cu50, Cu100, Ni10, Ni50, Ni100, Ni120,
Ni200, Pt10, Pt50, Pt100, Pt200: 4 ms; 6 kilohm,
Ni500, Ni1000, LG-Ni1000, Pt500, Pt1000: 13 ms
Interference voltage suppression for interference
frequency f1 in Hz
Basic execution time of the module (all channels
enabled)
Corresponds to the channel with the highest
Smoothing of the measured values
Connection of the signal encoders
for resistance measurement with two
for resistance measurement with three
Yes; all measuring ranges except PTC; internal
compensation of line resistance
rement with four-wire con-
Yes; all measuring ranges except PTC