Documentation issue status

Version	Comment
2.3.0	Chapter “Technical data” updated Document structure updated Chapter “Disposal” added Chapter “Instructions for ESD protection” updated Chapter “Beckhoff Identification Code (BIC)” added New title page Revision status updated
2.2.0	Notes about operation of KL5151 (KL5151-0050) as one channel up/down counter extended
2.1.0	Technical data updated Product overview updated KS2000 settings updated Wiring and contact assignment extended
2.0.0	Migration Update revision status
1.3.0	Technical data updated ATEX notes added Extended temperature range for KL5151 Description of control and status bytes of the KL5151-0021 corrected
1.2.0	Introduction updated Description of the parameterization of the KL5151 by means of KS2000 configuration software updated. Register description updated Mounting description expanded KL5151-0021 added KL5151-0050 renamed and now available as KL5152
1.1.0	Description of the process images expanded Mapping tables added
1.0	KL5151-0050 added Description of the parameterization of the KL5151 by means of KS2000 configuration software added.
0.1	Preliminary version (KL5151only)

Firmware and hardware versions

Documentation Version	KL5151, KS5151		KL5151-0021		KL5152 (KL5151-0050), KS5152
Documentation Version	Firmware	Hardware	Firmware	Hardware	Firmware	Hardware
2.3.0	4E	11	14	11	4E	11
2.2.0	4E	09	14	09	4E	09
2.1.0	4E	09	14	09	4E	09
2.0.0	4E	09	14	09	4E	09
1.3.0	4C	07	13	07	4C	07
1.2.0	4C	07	13	07	4C	07
1.1.0	3A	02	-	-	3A	02
1.0	3A	02			3A	02
0.1	3A	00			-	-

The firmware and hardware versions (delivery state) can be taken from the serial number printed on the side of the terminal.

Structure of the serial number: WW YY FF HH

WW - week of production (calendar week)
YY - year of production
FF - firmware version
HH - hardware version

Example with serial number 35 04 3A 02:

35 - week of production 35
04 - year of production 2004
3A - firmware version 3A
02 - hardware version 02