Data Sheet

Thermal current of the switching element with
contacts maximum
5A
Reference code acc. to DIN 40719 extended
according to IEC 204-2 acc. to IEC 750
K
Reference code acc. to DIN EN 81346-2 K
Reference code acc. to DIN EN 61346-2 K
Relative repeat accuracy 1%
Product Function
Suitability for use
● safety-related circuits
No
Product function
● rotation speed monitoring
Yes
● Standstill monitoring
No
● Fault storage
Yes
● Galvanic isolation
Yes
● Adjustable open/closed-circuit current principle
Yes
● External reset
Yes
● Auto-reset
Yes
● Manual RESET
Yes
Control circuit/ Control
Control supply voltage at DC
● rated value
24...24V
Operating range factor control supply voltage rated
value at DC
● initial value
0.75
● Full-scale value
1.25
Measuring circuit
Adjustable response delay time
● when starting
0...999.9s
● with lower or upper limit violation
0...999.9s
Accuracy of digital display +/- 1 Digit
Precision
Relative metering precision 10%
Communication/ Protocol
Protocol is supported
● IO-Link protocol
Yes
IO-Link transfer rate COM2 (38,4 kBaud)
Point-to-point cycle time between master and IO-Link
device minimum
10ms
Type of voltage supply via input/output link master Yes
Amount of data
3UG4851-2AA40 Subject to change without notice
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09/12/2019 © Copyright Siemens