Connection
18
6-3
Connecting the RS-485 communication cable (CN3)
Connect the RS-485 communication cable to the CN3 connector.
A cable to connect with the host controller and that to connect between drivers are required to be provided by the
customer. Cables that connect to the network converter or the robot controller
MRC01
are provided by Oriental
Motor separately. Refer to p.65 for the model name.
Applicable connector
Type
Part number
Applicable lead wire
Connector housing
1-1827579-1 (TE Connectivity)
AWG28 (0.08 mm
2
)
AWG26 (0.12 mm
2
)
AWG24 (0.2 mm
2
)
AWG22 (0.37 mm
2
)
Lead wire insulation outer diameter:
ø1.08 to 1.9 mm (ø0.043 to 0.075 in.)
Lead wire insulation strip length:
1.7 to 2.3 mm (0.067 to 0.091 in.)
Contact
1827588-2 (TE Connectivity)
Designated crimp tool
2119143-1 (TE Connectivity)
Pin assignment
The figure shows the view from the insertion side of contacts.
Pin No.
Signal name
Description
A1
SG1
Ground 1 for RS-485 communication
A2
SG2
Ground 2 for RS-485 communication
B1
TR1−
Negative side of signal 1 for RS-485 communication
B2
TR2−
Negative side of signal 2 for RS-485 communication
C1
TR1+
Positive side of signal 1 for RS-485 communication
C2
TR2+
Positive side of signal 2 for RS-485 communication
C1
B1
C2
B2
A1
A2
SG1 and SG2, TR1− and TR2−, and TR1+ and TR2+ are internally connected.