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5
9
6
1
Correct Use
1
14
25
13
147
Method for Making the Cable for Connection to the PC
Appendix D
Connector Specifications and Wiring for OMRON Units (RS-232C Type)
The combination of pin numbers to which the connecting wires are connected differs according to the connector
specifications for each unit. Check the connector specifications of the unit to be connected and make the wiring
connections for the items in the connection combination indicated below which are applicable.
[NT11S Connector Specifications (9-pin)]
S
Electrical characteristics:
Complies with EIA RS-232C
S
Signal direction:
Signal input and output is relative to NT11S.
Connector Pin No.
Signal Name
Abbreviation
1
Frame ground
FG (*1)
2
Send data
SD (TXD)
3
Receive data
RD (RXD)
4
Request to send
RS (RTS)
5
Clear to send
CS (CTS)
6
+5V
+5V
9
Signal ground
SG
(*1) FG is not used.
Pin 6 is used to supply the internal 5V source of the NT11S to external destina-
tions. Pay special attention to this pin when wiring. Incorrect wiring could cause
malfunction or failure of the NT11S.
Connecting an NT11S to a C-Series Host Link
S
C-Series Host Link Unit 25-pin Connector Specifications
Applicable Host Link Unit:
C200H-LK201
S
Electrical characteristics:
Complies with EIA RS-232C
S
Signal direction:
Signal input and output is relative to the PC.
Connector
Signal Name
Abbreviation
Signal Direction
Connector
Pin No.
Signal Name
Abbreviation
Input
Output
1
Frame ground
FG
--
--
2
Send data
SD (TXD)
f
3
Receive data
RD (RXD)
f
4
Request to send
RS (RTS)
f
5
Clear to send
CS (CTS)
f
7
Signal ground
SG
--
--
14
Optical con5V
+5V
--
--
20
Data terminal ready
ER (DTR)
f
Summary of Contents for NT11S
Page 1: ...Cat No V029 E1 2 NT11S Programmable Terminal OPERATION MANUAL ...
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Page 5: ...iii NT series Programmable Terminal Operation Manual Produced June 1997 ...
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