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RS-232C Terminal Block
Abbrevia-
tion
Signal name
I/O
SG0 RD SD
ER SG1 DR RS CS SHLD
SG0
Signal grounding
---
RD
Receive data
Input
SD
Send data
Output
ER
Data terminal ready
Output
SG1
Signal grounding
---
DR
Data set ready
Input
RS
Send request
Output
CS
Data can be sent
Input
SHLD
Shield
---
As the Option Board does not have a 5 V power supply terminal, it cannot be connected to external
converters such as an CJ1W-CIF11 and NT-AL001, or an NV3W-M
£
20L Programmable Terminal.
The terminal block is not removable.
RS-422A/485 Option Board (NX1W-CIF11/NX1W-CIF12)
RS-422A/485 terminal
block
Operation setting DIP
switch (SW1)
Operation setting DIP
switch (SW1)
Operation setting DIP
switch (SW2)
Communications
status indicator
CPU Unit connector
Front
Back (CIF11)
Back (CIF12)
SW 1
1
2
3
4
5
6
O
N
1
2
3
4
O
N
1
2
O
N
SW 1
SW 2
COMM
RDA- RDB+ SDA- SDB+ SHLD
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Communications Status Indicator
Indicator
Color
Status
Description
COMM
Yellow
Lit.
Communications are being performed.
Not lit.
Communications are not performed.
l
Operation Setting DIP Switch
CIF11
CIF12
1
2
3
4
5
6
O
N
1
2
3
4
O
N
1
2
O
N
SW1
SW1
SW2
OFF
ON
3 Configuration Units
3-24
NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)
Summary of Contents for NX1P2 series
Page 8: ...Manual Structure 6 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Page 52: ...Revision History 50 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Page 82: ...2 System Configuration 2 10 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Page 258: ...Appendices A 10 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Page 259: ...I Index I 1 NX series NX1P2 CPU Unit Hardware User s Manual W578 I...
Page 262: ...Index I 4 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Page 263: ......