Omron FQM1-MMP21 User Manual

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Serial Communications
Section 6-1
Note
The CJ1W-CIF11 is not insulated and the total transmission distance is 50
meters max. If the total transmission distance is greater than 50 meters, use
the insulated NT-AL001 and do not use the CJ1W-CIF11. If only the NT-
AL001 is used, the total transmission distance is 500 meters max.
Peripheral 
Bus
Provides high-speed commu-
nications with the CX-Pro-
grammer.
(Remote programming 
through modems is not sup-
ported.)
OK
OK
Not al-
lowed
Serial Gate-
way 
Communications are possi-
ble between a host com-
puter or PT connected to the 
RS-232C port and Servo 
Drivers connected to the RS-
422A port. 
Not 
allowed
Not al-
lowed
OK
No-protocol
TXD(236) and RXD(235) 
instructions in the Coordina-
tor Module program can be 
used to send data to and 
receive data from Servo Driv-
ers. 
Not 
allowed
Not al-
lowed
OK
Protocol
Connections
Description
Ports
Peripheral
RS-
232C
RS-
422A
Programming Device
(CX-Programmer)
Servo Drivers
Host computer
or
OMRON PT 
(Programmable 
Terminal)
Servo Drivers
FQM1