Description of blocks
3.3 Driver module DRV_3VL
Library SENTRON 3WL / 3VL for SIMATIC PCS 7
96
Function Manual, 11/2008, A5E02316914A-01
Description of block:
●
●
●
●
●
Assignment of the cyclic process image (Page 100)
●
Addressing and module driver (Page 101)
●
Processing the diagnostics data of the 3VL device (Page 102)
●
Start-up characteristics (Page 102)
●
●
Description of symbols and faceplates (Page 111)
See also
Diagnostics block DIA_WLVL (Page 17)
Driver module DRV_3WL (Page 22)
3.3.1
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).
3.3.2
Called blocks
The block calls the following blocks:
SFB35 ALARM_8P
SFB52 RDREC
SFB53 WRREC
SFC1
READ_CLK
SFC6
RD_SINFO
SFC20 BLKMOV
SFC21 FILL
3.3.3
Function
The DRV_3VL block is used for measurement acquisition and control and it forms the
interface to the OS.
Summary of Contents for SENTRON 3WL
Page 1: ...SENTRON 3WL 3VL Library for SIMATIC PCS 7 V1 0 Function Manual 11 2008 SIMATIC ...
Page 2: ......
Page 145: ......