11-1
CJ2 CPU Unit Software User’s Manual
11
This section describes how to access the PLC from the CX-Programmer. It also
describes serial communications and communications across networks.
11-1 Accessing a PLC from the CX-Programmer . . . . . . . . . . . . . . . . . . . . . . . 11-2
11-1-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2
11-1-2 System Configurations for Accessible PLCs . . . . . . . . . . . . . . . . . . . . . . . . . 11-4
11-1-3 Accessing a PLC from the CX-Programmer . . . . . . . . . . . . . . . . . . . . . . . . . 11-8
11-1-4 Automatic Online Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-11
11-2 Serial Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-15
11-2-1 Overview of Serial Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-15
11-3 Communications Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-29
Programming Devices and
Communications
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