Wiring For The Cn3 Connector; Wiring For The Modbus Communication Connector - Delta ASDA-B3 Series User Manual

Wiring

3.5 Wiring for the CN3 connector

3.5.1 Wiring for the Modbus communication connector

3
When the servo drive is connected to the PC via the CN3 connector, you can operate the servo
drive, PLC, or HMI through Modbus using the assembly language. The CN3 connector supports
RS-485 communication interface, allowing you to connect multiple servo drives simultaneously.
Note:
-L models have a single port (Pin 1 - Pin 8) which only supports RS-485 communication.
1.
B3A-M models have dual ports which support both RS-485 and high-speed communication
2.
(CANopen). Refer to Section 3.5.2 for more information.
Pin assignment:
Pin No.
1
2
3, 7
4
5
6, 8
Note: refer to Chapter 9 for the RS-485 wiring.
3-84
(1)
(1) CN3 connector (female); (2) CN3 connector (male)
Signal
- Reserved
- Reserved
GND_ISO Signal GND
For the servo drive to transmit the data to differential
RS-485-
terminal (-).
For the servo drive to transmit the data to differential
RS-485+
terminal (+).
- Reserved
(2)
Description
ASDA-B3