Technical specifications
6.1 Technical specifications
Analog input module AI 4xRTD/TC 4xM12 (6ES7144-5KD50-0BA0)
Equipment Manual, 08/2020, A5E48753535-AA
43
Article number
6ES7144-5KD50-0BA0
•
Interference voltage suppression for inter-
ference frequency f1 in Hz
60 / 50 / 16.7
Smoothing of measured values
•
parameterizable
Yes
•
Step: None
Yes; 1x cycle time
•
Step: low
Yes; 4x cycle time
•
Step: Medium
Yes; 16x cycle time
•
Step: High
Yes; 32x cycle time
Encoder
Connection of signal encoders
•
for resistance measurement with two-wire
connection
Yes
•
for resistance measurement with three-wire
connection
Yes
•
for resistance measurement with four-wire
connection
Yes
Errors/accuracies
Linearity error (relative to input range), (+/-)
0.025 %
Temperature error (relative to input range), (+/-
)
0.01 %/K
Crosstalk between the inputs, max.
-70 dB
Repeat accuracy in steady state at 25 °C (rela-
tive to input range), (+/-)
0.01 %; 0.02% for Pt1000
Temperature error of internal compensation
±4 °C
Operational error limit in overall temperature
range
•
Voltage, relative to input range, (+/-)
0.35 %
•
Resistance, relative to input range, (+/-)
0.25 %
•
Resistance thermometer, relative to input
range, (+/-)
0.25 %
•
Thermocouple, relative to input range, (+/-) TC type E, J, K, N, C, U, L: 0.35 %; TC type R, S, T:
0.4 %; TC type B: 0.45 %
Basic error limit (operational limit at 25 °C)
•
Voltage, relative to input range, (+/-)
0.25 %
•
Resistance, relative to input range, (+/-)
0.15 %
•
Resistance thermometer, relative to input
range, (+/-)
0.15 %
•
Thermocouple, relative to input range, (+/-) 0.25 %
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