Omron EJ1 User Manual page 144

Programless Communications
Board CS Series only
Port 1 Port 2
D32000 D32010
D32001 D32011
D32006 D32016
Note
Note
2. Make the PLC settings.
Use the CX-Programmer to make the communications port settings for the
Serial Communications Unit. The settings can be easily made using IO Ta-
ble and Unit Setup. Be sure to transfer the settings to the PLC.
DM Area
Unit CS/CJ Series
Port 1 Port 2
m m+10
m+1 m+11
m+6 m+16
(1) m = D30000 + 100
(2) When using a communications port on the CPU Unit, start the CX-Pro-
grammer and set the Host Link port settings in the PLC Settings as fol-
lows: Mode: NT Link (1: N), Baud rate: 115,200. Be sure to transfer the
settings to the PLC.
(3) The same serial port on the CS/CJ-series Serial Communications Board/
Unit cannot be connected to both the EJ1 and an NS-series Programma-
ble Terminal.
The following settings are also required if the models listed below are used.
Model Terminating resistance ON/OFF switch 2-wire/4-wire switch
CJ1W-SCU41-V1 ON
CJ1W-SCU31-V1
(See note.)
CS1W-SCU31-V1
CS1W-SCB41-V1
The port 2 terminating resistance switch and 2/4-wire switch are on the bot-
tom of the Unit.
3. Set the EJ1 parameters.
No particular EJ1 parameter settings are required when using SYSMAC
CS/CJ-series PLCs. Leave the parameters set to their default settings.
When using RS-232C communications, turn ON pin 8 of SW2 to select RS-
232C communications.
For the default settings, the EJ1 monitor and set values are allocated in the
DM Area in the PLC as shown in the following table.
Bits
15 Port settings
14 to 12 Reserved
11 to 08 Serial communications mode NT Link (1: N)
07 to 05 Reserved
04 Start bits
03 Data length
02 Stop bits
01 Parity
00 Parity
15 to 04 Reserved
03 to 00 Baud rate
15 to 03 Reserved
02 to 00 Maximum unit number
Unit No. (word address)
Section 5-1
Settings
Setting not required. 0200H
---
---
Setting not required.
Setting not required.
Setting not required.
Setting not required.
Setting not required.
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High-speed NT Link
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0
2
Set
value
000AH
0000H
119