Nidec Control Techniques Digitax-SF DA24A23 - Communication

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4. Connections
Digitax SF Instruction Manual
5. Descriptions of CN1 Connector Signals
RS-485 Communication
Pin No.
43, 44, 45
Interface Circuit
RS（page 50） Control Mode
Signal P S T
485
(Pin No.43)
485 data
/485
(Pin No.44)
/485 data
SG
(Pin No.45)
Signal ground
485, /485:
RS-485 interface with the host controller
For cascade connection, be sure to connect a termination
resistor of approximately 220 Ω to the end drive.
SG:
Signal ground of the drive communication IC. It is connected
to signal ground inside the drive. Isolated from control
power (G24V, COM-).
Connect signal ground of the communication IC of the host
controller.
dif.
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