how can i change the plc clock

[pklok 0]

how can i change the plc clock to one hour later in a ladder function thanks patrick

[gtsuport 61]

That will depend on what model plc you are using. Please provide more details.

[pklok 0]

the cj1m

[gtsuport 61]

The programming manual for the CS/CJ series is number W340. You can download the manual W340 manual at Mr.PLC.com Take a look at the Calendar Add: CADD (730) instruction. Hope this will help.

[pklok 0]

i have do it with the DATE(735) but the clock go back to the old value when the date function is of