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Search FAQs

How do I set the Time of Day(TOD) clock in the SY/MAX PLCs?

Issue

How do I set the Time of Day (TOD) clock in the SY/MAX PLCs?

Product Line

TSX Micro

Environment

Sy/Max

Resolution

To set the TOD clock in a SY/MAX controller first enter a value of "-1" into register 8108, then enter the new values into the remaining TOD clock registers (8109-8115). Finally to update and restart the TOD clock enter a value of "0" into 8108. The following table illustrates the SY/MAX TOD clock registers and their function:

REGISTER
FUNCTION
DECIMAL RANGE
8108
SET CLOCK
-1 (set), 0 (normal), 1(stop watch)
8109
Seconds
0-59
8110
Minutes
0-59
8111
Hours
0-23
8112
Day of Week
1-7 (1= Sunday)
8113
Day of Month
1-31
8114
Month
1-12
8115
Year
1980-2079