9.1  PLC Connection 9-35
9.1.20 FX2N/1N Series CPU
Communication Setting
Editor
Communication setting
(Underlined setting: default)
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 For items where double-words can be used (Num. Display, Graph, Sampling), data is processed as double-words.
For those where bits or words can be used, data is processed as words consisting of lower 16 bits.
For input: Upper 16 bits are ignored.
For output: ā0ā is written for upper 16 bits.
Item Setting Remarks
Connection Mode
1 : 1
 / Multi-link2 / 
Multi-link2 (Ethernet) 
Signal Level RS-422/485
Baud Rate 9600 / 19200 / 38400
 bps
Data Length 7 bits
Stop Bit 1 bit
Parity Even
Targe t  Port No. 0
 to 31
Device Memory TYPE Remarks
D (data register) 00H D8000 and later: special register
TN (timer/current value) 01H
CN (counter/current value) 02H
32CN (32-bit counter/current value) 03H *1
M (auxiliary relay) 04H M8000 and later: special relay
S(state) 05H
X (input relay) 06H Read only
Y(output relay) 07H
TS (timer/contact) 08H
CS (counter/contact) 09H