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The Integral Real-Time Clock
Operating Hours Counter Flags
Table 10-5. Significance of the Operating Hours Counter Flag
Bit Number
Signal State
8
9
10
Prompt Time Flags
Bit Number
Signal State
12
13
14
The operating system requires bit numbers 3, 6, 7, 11, and 15. You can not use these bits.
Scanning the Status Word
In a data block, you can use the "PD <data word number> <bit number>" operation to scan the
individual bits of a data word.
Example:
The status word is stored in DW22. You are checking to see if the set prompt time has
been reached.
You program the scan with the operation "PD 22.13".
10-8
(Bits 8, 9, and 10 of the Status Word)
1
Error in setting entry
0
No error in setting entry
1
Enable the operating hours counter
0
Disable the operating hours counter
1
Transfer the settings for the operating hours counter
0
Do not transfer the settings for the operating hours counter
Table 10-6. Significance of the Prompt Time Flag
(Bits 12, 13, and 14 of the Status Word)
1
Error in setting entry
0
No error in setting entry
1
The set prompting time is reached
0
The set prompting time is not reached
1
Transfer the settings for the prompt time
0
Do not transfer the settings for the prompt time
Meaning
Meaning
EWA 4NEB 812 6210-02
S5-95F
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