3.2 Driver Module Drv_3Wl; Calling Obs - Siemens Library SENTRON 3WL Function Manual

Description of blocks

3.2 Driver module DRV_3WL

3.2 Driver module DRV_3WL
FB1741
Description of block:
● Calling OBs (Page 22)
● Called blocks (Page 23)
● Function (Page 23)
● Message behavior (Page 26)
● Assignment of the cyclic process image (Page 27)
● Addressing and module driver (Page 28)
● Processing the diagnostics data of the 3WL device (Page 28)
● Start-up characteristics (Page 29)
● Block parameters (Page 29)
● Description of symbols and faceplates (Page 60)
See also
Diagnostics block DIA_WLVL (Page 17)
Driver module DRV_3VL (Page 95)
3.2.1

Calling OBs

The OB watchdog interrupt in which the block is installed (e.g. OB32). Also in OB100
(performed automatically in CFC, see start-up characteristics).
22
Library SENTRON 3WL / 3VL for SIMATIC PCS 7
Function Manual, 11/2008, A5E02316914A-01