Siemens SIMATIC NET CP 342-5 Manual page 49

On the Internet under the following entry ID:
30564821 (http://support.automation.siemens.com/WW/view/en/30564821)
/5/
SIMATIC
System and Standard Functions for S7-300/400 - Volume 1/2
Reference manual
Siemens AG
(part of the STEP 7 documentation package STEP 7 Basic Knowledge)
(part of the online documentation in STEP 7)
On the Internet under the following entry ID:
1214574 (http://support.automation.siemens.com/WW/view/en/1214574)
CP 342-5 / CP 342-5 FO
Manual, 10/2011, C79000-G8976-C146-09
References
B.3 On programming
49