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2.2.2 Interface specifications
(1) Upstream controller connection port
Characteristic
Connector specification
Communication standard
Baud rate
Total cable length
(Pin arrangement)
9
1
NOTE: The base of connector does not continue to the GR (frame ground).
<Connection with CIDRW controller>
Connect the link unit to the CIDRW controller using the cable whose configuration is specified below.
Limit the whole cable length to 15 m.
Symbol
RD
CIDRW
controller
SD
D-SUB
SG
9-pin
socket
#4-40
RS
CS
*1 Ground the shielded cable either on the CIDRW controller side or link unit side.
• Recommended cable: CO-MA-VV-SB 5PX28AWG (Hitachi Cable, Ltd.)
• Recommended connector: socket-Model XM2D-0901 (OMRON), hood-Model XM2S-0913
(OMRON)
Wrong wiring connection can lead to a malfunction of the equipment. Be fully sure of the correct
wiring connections.
9-pin D-SUB connector plug, with #4-40UNC lock screws
RS-232C
38400, 19200, 9600, 4800 bps (selectable with DIP-SW)
15 m max.
Pin No.
Signal name
1
2
Receive data
3
Send data
−
4
5
Signal ground
6
7
Request send
8
Clear to send
−
9
Pin No.
1
2
3
4
5
6
7
8
9
*1
Specification
Symbol
Direction
RD
Input
SD
Output
−
−
−
SG
RS
Output
Normally OPEN during service
CS
Input
−
−
Pin No.
Symbol
1
2
3
4
5
6
7
8
9
Section 2
Unit Specifications
Comment
RD
Link unit
SD
D-SUB
9-pin
SG
socket
#4-40
RS
CS
V700-L21
User's Manual
21
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