— 9-43 —
2 Connecting data transmission request lines
l
Connect data transmission request lines sequentially: First connect the input of the terminal with the
output of axis 0, then connect the input of axis 0 with the output of axis 1 and then one after the other.
(See Figure 9-47.)
l
Connect the input of the final axis with the output of the terminal.
Figure 9-47: Request-to-send Line Connection
RTS CTS
Driver Unit
#0
Terminal
CTS RTS
RTS CTS
Driver Unit
#1
RTS CTS
Driver Unit
#2
~
RTS CTS
Driver Unit
#15
Actual connection example
l
When NSK’s Handy Terminal is in use, connect the lines as shown in Figure 9-48.
l
Refer to “5.1. CN1 : RS-232C Serial Communication Connector” for the specification of CN1.
Figure 9-48: Handy Terminal Connection Example
+5V
RXD
TXD
CTS
RTS
DSR
DTR
GND
Driver Unit
#0
8
+5V
1
RXD
3
TXD
7
CTS
2
RTS
5
DSR
4
DTR
Handy Terminal
6
GND
RXD
TXD
CTS
RTS
DSR
DTR
GND
Driver Unit
#2
RXD
TXD
CTS
RTS
DSR
DTR
GND
Driver Unit
#1
Connector pin No.
*: The communication signal name on the Handy Terminal is opposite to that on the Driver
Unit (e.g. RXD-TXD).
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