KEYENCE LK-CC100/DN100 User Manual
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2
2 Connecting to CC-Link
Memory allocation example
This example shows how to make the following settings.
Memory allocation
This example assumes the CC-Link master station has the following memory allocation
settings.
Operation
This example performs the following measurements and control inputs.
• Measurement acquisition from OUT1 to OUT4
• Control inputs for OUT1 to OUT4
• Program change
• The data memory allocated in the PLC must be set larger area than the CC-Link communication
size.
• For example, to communicate X bytes from the PLC to the LK-CC100, and Y bytes from the LK-
CC100 to the PLC, allocate X bytes or more PLC data memory for output, and Y bytes or more for
input. Otherwise, an error will occur if not enough memory is allocated.
KEYENCE PLC
Mitsubishi Electric
PLC
Device units
RX (remote input) refresh device
R32000
X1000
Bits
RWw (remote register) refresh
device
DM10700
D1000
Words (16
bits)
RX (remote output) refresh device
R33000
Y1000
Bits
RWr (remote register) refresh device
DM10500
D2000
Words (16
bits)
Reference