NT20S-KBA01 Omron, NT20S-KBA01 Datasheet - Page 274

• Manufacturer Part Number: NT20S-KBA01
• Description: CHEM RESISTANT CVR FOR NT21
• Manufacturer: Omron

Specifications of NT20S-KBA01

• Peak Reflow Compatible (260 C): No
• Leaded Process Compatible: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

S Wiring Connections
Connecting an NT20S to a C-Series CPU (CjjH)
S C-Series CPU Unit (CjjH) 9-pin Connector Specifications
258
Method for Making the Cable for Connection to the Host
The NT20S does not use pin 4 (RS) or pin 5 (CS). Either short the RS and CS pins of the PC connector together or
set the CTS setting selector switch at the rear face of the host link unit to “0V” (see
Connect the cable shielding wire to the connector cover and pin 1 at the host link unit end of the cable only.
S Applicable CPU:
S Electrical characteristics:
S Signal direction:
1
5
NT20S
RS-232C
interface
6
9
Abbrevi-
atioon
SD
RD
RS
CS
SG
Connector
Connector
C20H/C28H/C40H/C60H
Complies with EIA RS-232C
Signal input and output is relative to the PC.
Pin No.
Pin
number
1
2
3
4
5
6
7
8
9
1
2
3
4
5
7
Frame ground
Send data
Receive data
Request to send
Clear to send
Signal ground
Shielding
wire
£
Signal Name
Signal Name
25-pin connector
PC (host link unit)
Pin
number
20
1
2
3
4
5
6
7
8
- -
- -
- -
- -
Abbrevi-
atioon
FG
SD
RD
RS
CS
SG
ER
- -
- -
- -
- -
- -
- -
RS-232C
interface
FG
SD (TXD)
RD (RXD)
RS (RTS)
CS (CTS)
SG (GND)
Abbreviation
Abbreviation
£
in the figure).
Appendix G
Signal Direction
Input
f
f
--
--
Output
f
f
--
--