17.1 PLC Connection 17-5
NX-CCU+(CCU) / NX70-CCU+(CCU)
DIP switches
NX7-xxxDx/NX7R-xxADx/NX7S-xxxDx
DIP switches
Baud rate setting
The baud rate depends on the value specified for device memory SR509 or SR510.
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.
DIPSW Contents Setting
SW1
Baud rate selection
SW2
SW3
SW4 Data length ON: 8 bits
SW5
Parity check OFF: None
SW6
SW7 Stop bit OFF: 1 bit
SW8 Reserved OFF
DIPSW Contents Setting
SW1 RS-232C / RS-485 selection
ON: RS-485
OFF: RS-232C
SW2 Terminating resistance (with RS-485 selected)
ON: Valid
OFF: Invalid
COM Baud Rate Setting Remarks
COM1= SR509
COM2= SR510
Auto setting: 0000 H
4800 bps 8003 H
9600 bps 8000 H
19200 bps 8001 H
38400 bps 8002 H
57600 bps 8004 H Supported by NX7R only
115K bps 8005 H Supported by NX7R only
2
1
ON
Device Memory TYPE Remarks
R (input/output) 00H
L (link relay) 01H
M (internal relay) 02H
K (keep relay) 03H
F (special relay) 04H
W (word register) 05H
TC (timer, counter) 06H
SV (timer/set value) 07H
PV (timer/current value) 08H
SR (special register) 09H
D (word register) 0AH