9.1 PLC Connection 9-11
9.1.4 QnA Series CPU
Communication Setting
Editor
Communication setting
PLC
No particular setting is necessary on the PLC.
Available Device Memory
The available setting range of device memory varies depending on the PLC model. Be sure to set within the range available for
the PLC to be used. Use [TYPE] when assigning indirect device memory for macro programs.
*1 The unit number is required in addition to the device type and address. Convert byte address into word address when entering the data
on the editor if the memory device of the link unit is byte address.
For the unit number, set the decimal number of “XXX” included in the station I/O number “xxx0 H” of the link unit. For more information,
see page 9-16.
Item Setting Remarks
Connection Mode 1 : 1
/ Multi-link / Multi-link2 / Multi-link2 (Ethernet) “V-MDD” is necessary for multi-link.
Signal Level RS-422/485
Baud Rate 19200 bps
Data Length 8 bits
Stop Bit 1 bit
Parity Odd
Device Memory TYPE Remarks
D(data register) 00H
W(link register) 01H
R(file register) 02H
TN (timer/current value) 03H
CN (counter/current value) 04H
SPU (special unit buffer memory) 05H *1
M (internal relay) 06H
L (latch relay) 07H
B (link relay) 08H
X(input) 09H
Y(output) 0AH
TS (timer/contact) 0BH
TC (timer/coil) 0CH
CS (counter/contact) 0DH
CC (counter/coil) 0EH
SD (special register) 10H
SM (special relay) 11H
SB (special link relay) 12H
SW (special link register) 13H
ZR (file register (for continuous access)) 14H
F (annunciator) 15H