NT31C-ST143B-EV3 Omron, NT31C-ST143B-EV3 Datasheet - Page 281

• Manufacturer Part Number: NT31C-ST143B-EV3
• Description: 5.7,8-color,dis,stn,black,eng
• Manufacturer: Omron

Specifications of NT31C-ST143B-EV3

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Block Diagram
A diagram showing the internal blocks of the Adapter is shown below. Refer to this diagram when making
cables yourself, or when connecting devices with special interfaces.
264
Using an RS-232C/RS-422A Adapter
D-SUB 9P CASE
RS-232C side
+5 V
SG
RD
SD
RS
CS
DR
ER
6
9
3
2
4
5
7
8
Fuse
RS-232C
R
Dr/Rec
POWER
LED
R
Photocoupler
R
SW1-6
SW1-5
R
RS-422A/485 Dr/Rec
R
RS-422A Dr
DC-DC
L
L
Convertor
REG
Terminator
IS_5 V
IS_0 V
SW1-3
R
SW1-2
2-wire type/
4-wire type
SW1-4
RS-422A/485 side
8P terminal block
1
2
3
4
5
6
7
8
Appendix C
FG
SG
SDB
SDA
RDB
RDA
CSB
CSA