44
4. Connection
SD3 Series Instruction Manual
5. Descriptions of CN1 Connector Signals
RS-485 Communication
Pin No.
43, 44, 45
I/F Circuit
RS
(Page 50)
Control Mode
Signal Description P V 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 amplier.
SG:
Signal ground of the amplier communication IC.
It is connected to signal ground inside the amplier. Isolated
from control power (G24 V,
COM-
).
Connect signal ground of the communication IC of the host
controller.
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Dierential
24 V
open collector
5 V
open collector
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Internal
Position
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Analog
Velocity
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Internal
Velocity
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Analog
Torque