Delta C200 Series User Manual page 299

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5.
ORB command: a block connects to a device or a block in parallel.
If there are several blocks when operate ANB or ORB, they should be combined to blocks or
network from up to down or from left to right.
6.
MPS, MRD, MPP commands: Divergent memory of multi-output. It can produce many various
outputs.
7.
The command MPS is the start of divergent point. The divergent point means the connection place
between horizontal line and vertical line. We should determine to have contact memory command
or not according to the contacts status in the same vertical line. Basically, each contact could have
memory command but in some places of ladder diagram conversion will be omitted due to the
PLC operation convenience and capacity limit. MPS command can be used for 8 continuous times
and you can recognize this command by the symbol "┬".
8.
MRD command is used to read memory of divergent point. Because the logical status is the same
in the same horizontal line, it needs to read the status of original contact to keep on analyzing
other ladder diagram. You can recognize the command MRD by the symbol "├".
9.
MPP command is used to read the start status of the top level and pop it out from stack. Because
it is the last item of the horizontal line, it means the status of this horizontal line is ending.
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ANB command
ORB command
MPS
MRD
MPP
14-14
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Chapter 14 PLC Function |C200 Series
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