User's Manual
18. CNC CONNECTION
18.5 CNC Side Settings
18 - 21
17
ROBOT 
CONTROLLER 
CONNECTION
18
CNC CONNECTION
19
GOT MULTI-DROP 
CONNECTION
20
MULTIPLE-GT14, GT12, 
GT11, GT10 
CONNECTION FUNCTION
21
MULTI-CHANNEL 
FUNCTION
22
FA TRANSPARENT 
FUNCTION
18.5.3 Ethernet connection
 System configuration
The following shows the example of the system 
configuration when using the CNC monitor function.
 Parameter setting
Set parameters related to Ethernet with MELSEC’s 
peripheral devices in the same way as parameter 
setting of MELSEC CPU, and write them on CNC by 
Personal computer.
(1) Network parameter setting
Set the network parameters by peripheral device and 
write them on CNC. An example of parameter setting 
by GPPW is as follows. Set the first I/O No. as follows 
according to the expansion slot to which the unit is 
inserted.
(a) Unit No.
Ethernet (192.168.1.xx)
<CNC-1> 
[Communication with GOT] 
N/W No.   :239 
PLC No.   :2 
IP address :192.168.1.2 
<CNC-2> 
N/W No.   :239 
PLC No.   :3
IP address :192.168.1.3
<GOT> 
N/W No.   :1 
PLC No.   :1 
IP address :192.168.1.1
Slot 
position
Start
I/O 
No.
Mounting position of extension unit
EXT1 0200
EXT2 0280
EXT3 0300
EXT2 
EXT1 
Unit2
Unit1
EXT3 
EXT1 
EXT2 
EXT3
EXT1 
When mounted 
in EXT2 only
When mounted 
in EXT3 only
EXT2 
EXT3 
When mounted 
in EXT1 and EXT2
When mounted 
in EXT1 and EXT3
When mounted 
in EXT2 and EXT3
When mounted 
in EXT1 only
Unit2
Unit2 Unit1
Unit1
Unit1
Unit1
Unit1










