Configuring The Correction Value For The Integral Clock; (Parameter Block 9) - Siemens SIMATIC S5 CP 523 Manual

CP 523
6.3.5

Configuring the Correction Value for the Integral Clock

(Parameter Block 9)

You can configure a correction value to increase the accuracy of the clock. The correction value is
printed in s/month. A month is defined as 30 days.
Table 6-6. Correction Value for the Integral Clock (Parameter Block 9)
Parameter
Correction value
Note:
The correction value must always be specified as a four-digit number (incl. sign)!
Example: Determining the correction value
You have observed that the clock loses 12 s in 4 days. This would amount to 90 s in 30 days. The
correction value is then +090 s/month.
Entry on the PG for DB 1
: KS = ':9+090';
EWA 4NEB 811 6044-02a
Value Range
-400 to +400 s/month
D D
Default Value
0000
D
Explanation
Block separator ":"
Parameter block number "9"
Correction value "+090"
Print Mode
6-13