NT31C-ST143-EV3 Omron, NT31C-ST143-EV3 Datasheet - Page 141

• Manufacturer Part Number: NT31C-ST143-EV3
• Description: 5.7 8-Color Dsp,STN,Ivory,Eng
• Manufacturer: Omron

Specifications of NT31C-ST143-EV3

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

Connecting to the Host’s RS-422A/485 Port
5-2-5
124
1:N Connection among RS-485 Ports
Reference:
The connection method in which the RS-485 ports of multiple NT31/NT31Cs
and one host are connected in a 1:N connection is described here.
24V
DC PRINTERPORT B
• Communications using the RS-485 standard NT link (1:N) method is pos-
• Communications using the RS-485 high-speed NT link (1:N) method is
sible only when a CS/CJ-series Serial Communications Board (CS Series
only) or Serial Communications Unit is installed in a CS/CJ-series PLC, a
Communications Board is installed in a C200HX/HG/HE(-Z)E, or a
CQM1H-SCB41 Serial Communications Board is installed in a CQM1H.
possible only when a CS/CJ-series Serial Communications Board (CS
Series only) or Serial Communications Unit is installed in a CS/CJ-series
CPU Unit.
NT31/NT31C
Max. 2 m
RS-485 cables
(max. total length 500 m)
Relay terminal block
Serial port B
(RS-485, 25-pin type)
25-pin connector
CPU Unit
9-pin connector
CS/JC-series,
C200HX/HG/HE(-Z)E,
CQM1H PLC
Section 5-2