Connector Specifications And Wiring For Each Unit - Omron NT11S Operation Manual

Connection to a PC by the Host Link (RS-422A Type)
2-5-4

Connector Specifications and Wiring for Each Unit

SDA SDB RDA RDB
S Connecting an NT11S to a C-series host link unit
[C-series host link connector specifications]
- Applicable host link units: C200H-LK202 (-V1)
- Electrical characteristics: Conform to EIA RS-422A
- Signal direction:
6
1
9
5
[Wiring connections]
34
The combination of pin numbers to which the connecting wires are connected dif-
fers according to the connector specifications for each unit. Check the connector
specifications of the unit to be connected and make the wiring connections by re-
ferring to the relevant connection combination among those indicated below.
For details on making the cable, see "Making the Cable for Connection to the PC
(RS-422A Type)" (page 150)
[NT11S RS-422A terminal block specifications]
- Connected terminal block:RS-422A terminal block (M3.5 screws)
- Electrical characteristics: Conform to EIA RS-422A
- Signal direction:
Signal Name Signal Name
Send data A
Send data B
Recive data A
Recive data B
Signal input and output is relative to the host link unit.
Connector Connector
Pin No.
1 Receive data B
3 Signal ground
5 Send data B
6 Receive data A
7 Frame ground
9 Send data A
NT11S
Abbrevi-
ation
SDA
RS-422A
SDB
terminal
block
RDA
RDB
Signal input and output is relative to the NT11S
Abbreviation Abbreviation
SDA (SD--)
SDB (SD+)
RDA (RD--)
RDB (RD+)
Signal Name Signal Name
PC (host link unit)
Shielding wire
Pin
number
Connector cover
RS-422A cable
Section 2-5
Signal Direction
Input Output
f
f
f
f
Signal Direction
Abbreviation Abbreviation
Input
RDB
f
SG --
SDB
RDA
f
FG --
SDA
Abbrevi-
ation
1 RDB
3
SG
5 SDB
RS-422A
interface
6 RDA
7
FG
9 SDA
FG
Output
--
f
--
f