Omron NS-CXDC1-V3 User Manual page 31

Basic Operation Procedures
Communications between
the PT and PLC
Connect the PT and PLC.
Use a Serial, Ethernet, or Controller Link network to connect the PT and PLC.
Confirm Communications Settings.
Match the PT communications settings to the PLC system settings on the PLC.
Use either of the methods outlined below.
1. Check the PT communications settings under the PT System Menu. If
required, change the settings on the PT or change the PLC system settings
on the PLC.
• Select System Menu - Comm. Tab Page and check the settings. (The default
baud rate under the CX-Designer communications settings is High-Speed and
the default NT link unit number is 0.
• Match these settings to the serial communications mode settings under the
PLC system settings on the CX-Programmer. Check that the RS-232C port
serial communications mode is set to NT Link and that the maximum unit
number for NT Link mode is higher than the number of units used. (The default
baud rate in the PLC system settings is Standard and the default maximum
unit number for NT Link mode is 0.)
If the unit number for NT Link mode is set to 0, set the maximum NT Link unit
number to 1 or higher in the PLC Setup.
2. Use the automatic NT Link connection setting function in CX-Integrator.
• Start CX-Integrator and click the right mouse button on the CPU Unit
in the Online Connection Information Window. Select NT Link Tool -
NT Link Automatic Connection.
The NT Link automatic connection function automatically detects the
communications settings on the PT connected to the PLC by a serial
network and automatically changes the serial port settings under the PLC
system settings on the PLC.
CX-Integrator
• Serial connection
(Toolbus or Host Link)
• Network connection
Start Operation.
(If the System Menu is displayed on the PT, press the Exit Button.)
Automatically changes the serial port settings
on the PLC to match the serial port settings
on the NS-series PT.
Automatic serial connection using
NT Link (using RS-232C port)
Refer to 6-10 Starting Operation in the
NS Series Setup Manual.
Section 1-2
9