Data Sheet

● for resistive load
1.5ms
● for capacitive load
2.5ms
● for inductive load
2.5ms
Encoder
Connection of signal encoders
● for voltage measurement
Yes
● for current measurement as 4-wire transducer
Yes
● for resistance measurement with two-wire
connection
Yes
● for resistance measurement with three-wire
connection
Yes
● for resistance measurement with four-wire
connection
Yes
Connectable encoders
● 2-wire sensor
Yes
— permissible quiescent current (2-wire
sensor), max.
1.5mA
Encoder signals, incremental encoder (asymmetrical)
● Input voltage
24 V
● Input frequency, max.
100kHz
● Counting frequency, max.
400kHz; with quadruple evaluation
● Signal filter, parameterizable
Yes
● Incremental encoder with A/B tracks, 90° phase
offset
Yes
● Incremental encoder with A/B tracks, 90° phase
offset and zero track
Yes
● Pulse encoder
Yes
● Pulse encoder with direction
Yes
● Pulse encoder with one impulse signal per
count direction
Yes
Errors/accuracies
Linearity error (relative to input range), (+/-) 0.1%
Temperature error (relative to input range), (+/-) 0.005%/K
Crosstalk between the inputs, max. -60dB
Repeat accuracy in steady state at 25 °C (relative to
input range), (+/-)
0.05%
Output ripple (relative to output range, bandwidth 0 to
50 kHz), (+/-)
0.02%
Linearity error (relative to output range), (+/-) 0.15%
Temperature error (relative to output range), (+/-) 0.005%/K
Crosstalk between the outputs, max. -80dB
Repeat accuracy in steady state at 25 °C (relative to
output range), (+/-)
0.05%
6ES7511-1CK01-0AB0 Subject to change without notice
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09/14/2019 © Copyright Siemens