S5-95F Blocks and Their Functions
Calling the controller in the program:
OB13 STL Description
:
:JU FB 10 Process controller
NAME :CONTROLLER 1
: The controller's sampling interval
: depends on the time base used to call
: OB13 (set in DB1). When selecting the
: sampling interval, take into account the
:BE encoding time of the onboard analog inputs.
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FB10 STL Description
NAME :CONTROLLER 1
:
:C DB 30 Select controller's DB
:
: ***********************************************
: Read controller's control bits
: ***********************************************
:
:L PY 32 Read controller's control bits and store in
:T MB 10 DR11
:T DR 11 Note carefully:
: DR11 contains important control data for
: OB251,the control bits must therefore be
: transferred with T DR11 to prevent
: corrupting DL11
:
: **************************************************
: Read actual value and setpoint
: **************************************************
:
:A F 12.0 Flag 0 (for unused functions in FB250)
:R F 12.0
:AN F 12.1 Flag 1
:S F 12.1
:
:JUFB250 Read actual value
NAME :RLG: AI
BG : KF 0 Slot number
KNKT : KY 0,6 Channel no. 0, fixed-point bipolar
OGR : KF +2047 Upper limit for actual value
UGR : KF - 2047 Lower limit for actual value
EINZ : F 12.0 No selective sampling
XA : DW 22 Store scaled actual value in controller DB
FB : F 12.2 Error bit
BU : F 12.3 Range violation
:
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EWA 4NEB 812 6210-02
9-11
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