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6
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5
1
14
25
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Appendix G
Method for Making the Cable for Connection to the PC
302
Connector Specifications and Wiring for OMRON Units
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.
[NT620S/620C Connector Specifications (9-pin)]
- Electrical characteristics:
Complies with EIA RS-232C
- Signal direction:
Signal input and output is relative to NT620S/620C.
Connector Pin No.
Signal Name
Abbreviation
Signal
Direction
Connector Pin No.
Signal Name
Abbreviation
Input
Output
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
6
+5V (150 mA max.)
+5V
–
–
9
Signal ground
SG
–
–
Caution
Check that the current capacity of the equipment to be supplied is within 150 mA before using
the +5 V output of pin No.6. The +5 V output of NT620S/NT620C de5 V
"
5% and 150
mA maximum.
Do not use the +5 V output of the RS-232C interface unit.
Connecting an NT620S/620C to a C-Series Host Link
S
C-Series host link unit 25-pin connector specifications
Applicable host link unit:
C200H-LK201(-V1)
C500-LK201-V1
C500-LK203
C120-LK201-V1
- Electrical characteristics:
Complies with EIA RS-232C
- Signal direction:
Signal input and output is relative to the PC.
Connector
Pin No
Signal Name
Abbrevi-
ation
Signal
Direction
Pin No.
Signal Name
ation
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 (GND)
–
–
14
Optical con5V (see note 2)
+5V
–
–
15
Send signal element timing 2 (see note 1)
ST2
f
17
Receive signal element timing (see note 1) RT
f
20
Data terminal ready
ER (DTR)
f
24
Data signal element timing (see note 1)
ST1
f
Note
1. No element timing signals on C200H-LK201(-V1)
2. C500-LK201 and C200H-LK201(-V1) only
Summary of Contents for NT620C
Page 1: ...Cat No V033 E1 5 Programmable Terminals NT620S 620C OPERATION MANUAL...
Page 2: ...NT620S 620C Programmable Terminals Operation Manual Revised April 2001...
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