Documentation Issue Status

Version	Comment
2.4.0	Technical date updated Dimensions corrected
2.3.0	Chapter Power supply updated Chapter Order information updated Chapter Disposal added Approvals / markings updated
2.2.0	Product overview updated Register description for KL8519 updated Description of Control and Status Bytes for KL8524, KL8528 and KL8548 updated Technical data for KL9020 updated New title page
2.1.0	Technical data for KL8548 updated
2.0.0	Migration Chapter Function blocks extended Chapter Adjustment of LED displays added
1.5.0	Description for disabling manual operation via the PLC program added Description of control and status bytes for KL8524, KL8528 and KL8548 updated
1.4.0	Labeling for power supply (Us) of the KL85xx corrected
1.3.0	Foreword updated Programming description updated Register description for KL8519 and KL8524 updated Technical data of KL9020 and KL9309 updated
1.2.0	Introduction for manual operating modules updated Description of Status Byte corrected Chapter Connection extended Libraries updated
1.1.0	Register description updated Technical data updated
1.0.0	First release

If you have any suggestions or proposals for our documentation, please send us an e-mail stating the documentation title and version number to: documentation@beckhoff.com

Firmware and hardware versions

Documentation Version	KL8500		KL8519		KL8524		KL8528		KL8548		KL9309
Documentation Version	Firmw.	Hardw.	Firmw.	Hardw.	Firmw.	Hardw.	Firmw.	Hardw.	Firmw.	Hardw.	Firmw.	Hardw.
2.4.0	-	00	1C	05	1B	03	1B	05	1F	05	00	00
2.3.0	-	00	1C	05	1B	01	1B	05	1F	05	00	00
2.2.0	-	00	1C	05	1B	01	1B	05	1F	05	00	00
2.1.0	-	00	1C	04	1B	01	1B	04	1F	04	00	00
2.0.0	-	00	1C	04	1B	01	1B	04	1F	04	00	00
1.5.0	-	00	1C	03	1B	01	1B	03	1F	03	00	00
1.4.0	-	00	1C	03	1A	01	1A	03	1E	03	00	00
1.3.0	-	00	1C	03	1A	01	1A	02	1E	03	00	00
1.2.0	-	00	1C	03	1A	01	1A	02	1D	03	00	00
1.1.0	-	00	1C	00	1A	00	1A	00	1C	01	00	00
1.0.0	-	00	1C	00	1A	00	1A	00	1C	01	00	00

The firmware and hardware versions (delivery state) of the KL85xx can be found in the serial number printed on the back. The firmware and hardware versions (delivery state) of the KL9309 can be found in the serial number printed on the side.

Syntax of the serial number

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 33 06 B1 00:

33 - week of production 33
06 - year of production 2006
B1 - firmware version B1
00 - hardware version 00