Download Logicmaster 90-70 Programming Software User's Manual, GFK

Transcript
3
Table 3-9. Control Functions
Key
Instruction Mnemonic
Function
Description
SelectingControl Functions(Shift-F9) displays these function key assignments:
F1
call
&CA
Call
F2
do io
&DO
DoI/O
F3
sus io
&SUS
SuspendI/O
F4
mcr
&MCR
Master Control
Relay
F5
endmcr
&ENDMCR
End Master
Control Relay
F6
jump
&JUMP
Jump
F7
F8
label
commnt
&LABEL
&COMME
Label
Comment
F9
svcreq
&SV
Service Request
F10
more
Cause a program execution to go to a
specified program block or external block.
The CALL function always passes power.
Service a specified range of inputs or
outputs immediately (all inputs or
outputs on a module will be serviced if
any addresses on that module are
included in the function – partial I/O
module updates are not performed).
Optionally, a copy of the scanned I/O
can be placed in internal memory.
Suspend all normal I/O updates except
those specified by the Do I/O
instructions. The SUSIO function passes
power whenever power is received.
Start a master control relay range. An
MCR causes all rungs between the MCR
and its subsequent ENDMCR to be
executed with no power flow. There can
be nothing after an MCR in a rung.
End a Master Control Relay range.
There can be nothing after an ENDMCR
in the rung.
Jump to a specified location indicated by
LABEL in the logic.
The target location of a JUMP instruction.
A rung explanation. Afterprogramming
the instruction, the text can be typed in
by zooming into the instruction.
A special PLC service function. This
function passes power if power is
received and the function executes
properly.
Additional control functions you can
select.
Pressing More (F10) displays these additional control function key assignments:
3-14
F1
F2
pidisa
pidind
&PIDIS
&PIDIN
F3
F4
F5
for
endfor
exit
F7
sfcres
F10
more
Logicmaster
&FOR
&ENDFOR
&EXIT
ISAAlgorithm
Independent
Algorithm
Start FOR loop.
End FOR loop.
Exit FOR loop.
Select the standard ISA PID algorithm.
Select the non-interacting independent
PID algorithm.
The FOR, END_FOR, and EXIT
instructions enable you to repeat rung
logic a specified number of times while
varying the value of the FOR INDEX
VAR in the loop.
&SFC
SFC Reset
Reset the SFC topology and, if the OVR
input is active, clear all overrides.
Return to the first level of control
functions.
t 90-70Programming Software User’s Manual – June 1998
GFK-0263G