Delta RMC101 User Manual Page 275

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Digital I/O 5.1
Communications 5-25
Parallel Event
Mode
Up to four axes may be
commanded at once
PLC or thumb-wheel
switches may be used
Allows use of Event
Control feature
Requires parallel inputs
Returns only a Halted
Bitindicating an error
has occurredand an In
Position Bit per axis
Sequence must be pre-
programmed in Event
Control
Input to Event
Mode
Does not require a PLC
Multiple axes may be
given commands from a
single input
Returns only a Halted
Bitindicating an error
has occurredand an In
Position Bit per axis
Issues only Start Event
commands
Parallel
Position Mode
Any position can be
moved to in a single
PLC scan
Any open loop drive can
be triggered in a single
PLC scan
Multiple profiles can be
selected for any move
Requires a PLC
Returns only a Halted
Bitindicating an error
has occurredand an In
Position Bit per axis
Issues only Go and Open
Loop commands
Gives commands to only
one axis per scan
Implementation
The following diagram shows the electrical control connections of a single-axis hydraulic system
using RMC-DI/O in Command Mode (the PC and its RS232 cable are needed only during setup):
This document discusses only the connections between the Programmable Controller and the
RMC. For details on the transducer and drive wiring, look up Wiring Notes in the RMCWin index.
The RMC accepts commands of up to 32 bits and returns 16-bit data words. However, because it
has only half that number of inputs and outputs, an extra input and output on the RMC are used
to strobe half of the data at a time. The following timing chart and accompanying list of steps
illustrate the sequencing of Command Mode:
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