
6 Communication settings and guide of HMI connecting with controller
NB NB2U24R-11 RS485 interface on the CPU
System configuration
Series CPU Link Module Ethernet Type Parameter Cable
SPB
NW0P20
-31 RS485 interface on the CPU RS485-4
Setting Your owner cable
NB NB2U24R-11 RS485 interface on the CPU RS485-4
Communication Setting
Note:When PLC is protected by password, protocol time out 2 is 65535, and the register is read only. If
you want to make the register writable, you must let the protocol time out 2 equal the PLC password.
Example: PLC password is 1234, and then you make the protocol time out 2 to be 1234.
PLC password is 0010, and then you make the protocol time out 2 to be 10.
Supported Device
SPB
Device Bit Address Word Address Format Notes
Data register D 0~6FF.F
------ HHH.H
Special relay M_special 0~1FF
------ HHH
Counter contact C 0~FF
------ HH
Timer contact T 0~1FF
------ HHH
Keep relay L 0~FFF
------ HHH
Auxiliary relay M 0~FFF
------ HHH
Output relay Y 0~3FF
------ HHH
Input relay X 0~3FF
------ HHH
Timer contact ------ TW 0~3FF
HHH
Counter contac ------ CW 0~FF
HH
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