GE VersaMax PLC User Manual

8.4.10 Control Functions
call Call
Causes a program execution to go to a specified subroutine block.
do io Do I/O
Services 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
pidind
Independent PID
Algorithm
Selects the noninteracting independent PID algorithm.
pidisa ISA PID Algorithm Selects the ISA PID algorithm.
end
Temporary End of
Logic
The program executes from the first rung to the last rung or the
END instruction, whichever is encountered first. This instruction is
useful for debugging purposes.
commnt Comment
A rung explanation.
svcreq
Service Request A special PLC service function.
mcr
Master Control
Relay
Starts a master control relay range. An MCR causes all rungs
between the MCR and its subsequent ENDMCR to be executed
with no power flow. Up to 8 MCRs can be nested.
endmcr
End Master Control
Relay
Ends a master control relay range.
jump Jump Jumps to a specified location indicated by a LABEL in the logic.
label Label
The target location of a JUMP instruction. Multiple Jump
instructions can reference the same label.
drumseq Drum Sequencer
(future) Operates like a mechanical drum sequencer, selecting a
16-bit output pattern from an array of stored patterns, and sending
it to a set of outputs.
Elements of an Application Program GFK-1503E User Manual 111
For public disclosure

GE VersaMax PLC Specifications

General

Brand	GE
Model	VersaMax PLC
Category	Controller
Language	English