Chapter 3 Connections and Wiring
3-50 Revision January 2011
CN3 Terminal Signal Identification
PIN No. Signal Name
Terminal
Identification
Description
1 Grounding GND Ground
2
RS-232 data
transmission
RS-232_TX
For data transmission of the servo drive.
Connected to the RS-232 interface of PC.
3 - - Reserved
4 RS-232 data receiving RS-232_RX
For data receiving of the servo drive.
Connected to the RS-232 interface of PC.
5
RS-485 data
transmission
RS-485(+)
For data transmission of the servo drive
(differential line driver + end)
6
RS-485 data
transmission
RS-485(-)
For data transmission of the servo drive
(differential line driver - end)
NOTE
1) For the connection of RS-485, please refer to page 9.3.
2) There are two kinds of IEEE1394 communication cables available on the market. If the user
uses one kind of cable, which its GND terminal (Pin 1) and its shielding is short-circuited,
the communication may be damaged. Never connect the case of the terminal to the ground
of this kind of communication cable.
3.6.2 Connection between PC and Connector CN3
Call 1(800)985-6929 for Sales
Call 1(800)985-6929 for Sales
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