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3 Component Names and Settings
11
3
Component Names and Settings
3.1
Component Names
The following diagram shows the SI-T/V7 Unit external appearance and component names.
3.2
Communications Connectors (CN2)
The communications connectors connect the SI-T/V7 Unit to the communications lines of
the MECHATROLINK-I or MECHATROLINK-II . The following table shows the pin num-
bers and their functions.
5.5
mm
LED
Communications
connector (CN2)
Communications
connector (CN2)
DIP switch
Modular plug (CN10)
Rotary switch
Optional connector (CN1)
Front of the SI-T/V7 Unit
Ground terminal
Rear of the SI-T/V7 Unit
Pin No.
Signal Name
I/O
Function
A1
(NC)
−
Not used.
A2
SRD
−
I/O
Send/receive data (-)
A3
SRD+
I/O
Send/receive data (+)
A4
(NC)
−
Not used.
B1
(NC)
−
Not used.
B2
SRD
−
I/O
Send/receive data (-)
B3
SRD+
I/O
Send/receive data (+)
B4
(NC)
−
Not used.
Shell
Shield
−
Not used.