Omron NX1P2 series, Руководство пользователя по оборудованию

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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.
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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)