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Software
Software
Software
Software
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07-02-12-02-EN-V1215.doc / Type:
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Execute a PLC program
A cyclic PLC program for supervisory monitoring tasks can be started parallel to the sequential processing of
a BIAS program
The PLC program is started by processing the BIAS command, ”
PLC program
”.
After the PLC program is activated the programmed PLC commands are processed as of the specified block
number.
The command ”
end of program, mode = 0
” within a PLC program causes a jump back to the start of the
PLC program.
The regulator processes one PLC command sequentially every trajectory cycle.
PLC-Interruptsystem
The reaction of the PLC program to the deactivation of the output stage can be adjusted in the
BIAS program
definition
(parameter ”program reaction PLC program”). Thus it is possible to allow the PLC program to
continue to process also during the deactivation of the regulator. Is in this mode the first command of the
BIAS execution the command “PLC program” the PLC task starts automatically independently of the state
(deactive/active) of the drive.
In the plc-loop not all of the BIAS commands are allowed.
In the command overview the allowed commands are listed.
The check of allowed commands is done by the drive during run time!
Drive type
Trajectory cycle
631/635/637
1,899ms
637+/637f/638 0,844ms
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Execute a Mathematics program
A 3rd task as math program for supervisory calculation can be started parallel to the sequential processing
of a BIAS program and/or PLC program.
The mathematics-program is started by processing the BIAS command,
”Mathematics program”.
After the mathematics program is activated the programmed mathematics commands are processed as of
the specified block number.
The command ”end
of program, mode =0”
within a mathematic - program causes a jump back to the start
of the mathematics program.
The command ”end
of program, mode =3”
cancels the mathematics program.
MATH-Interruptsystem
The reaction of the mathematics program to the deactivation of the output stage can be adjusted in the BIAS
program definition
(parameter ”program reaction mathematics program”). Thus it is possible to allow the
mathematics program to continue to process also during the deactivation of the regulator.
In this mode the command „Mathematic program“ is executed at the first or second line (if the PLC program
is on line 1)of the BIAS progam or at line 0 , if the drive is not enabled.
The calculation of the mathematics commands is done in the interruptfree calculation time of the drive. In a
standard application approx. 10 commands are processed every 2ms
This manual was downloaded on www.sdsdrives.com
+44 (0)117 938 1800 - [email protected]
