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Delta RMC101 User Manual

Page 341

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Ethernet 5.2

Communications

5-91

Digital (Discrete) I/O Registers:

PLC Support:

D2-250, D4-430, D4-440, and D4-450 (D2-240 excluded)

These registers indicate the current state of the digital inputs and outputs. These registers may
only be read; writes will be ignored, as this product does not support forcing inputs or outputs.

The bit numbers listed in the table below are in RMC format (0 is LSB, 15 is MSB):

V-

memory

Address

Register Description

V6510

CPU Digital Inputs 0 and 1 in LSBs of low
byte, Outputs 0 and 1 in LSBs of high byte

V6511

Unused

V6512

Unused

V6513

Sensor Digital I/O Inputs 0-15

V6514

Sensor Digital I/O Inputs 16-17 (stored to two
LSBs)

V6515

Sensor Digital I/O Outputs 0-7 in high byte
(low byte unused)

V6516

Unused

V6517

Unused

Plot Time Registers:

PLC Support:

D2-250, D4-430, D4-440, and D4-450 (D2-240 excluded)

The Plot Time interval is configurable on the RMC. This interval indicates the number of control
loops between each sample in a plot. Therefore, if the control loop is 0.976ms (e.g. RMC100-M1),
this indicates roughly the number of milliseconds between samples. If the control loop is 1.953ms
(e.g. RMC100-M4), this indicates half of the number of milliseconds between samples.

These registers may be read or written. When read, they indicate the plot interval of the currently
gathered plot. When written, they set the plot interval the RMC should use for the next plot it will
gather. When the RMC starts the next plot, it copies the requested plot interval into the currently
used plot interval.

V-

memory

Address

Register Description

V6520

Axis 0 plot time interval

V6521

Axis 1 plot time interval

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