Rs-232C Communication - Omron ZW Series User Manual

Chapter 5
Overview

RS-232C Communication

Connections to the programmable controller, programmable terminal, and personal
computer can be made.
Communication can be performed using non-procedural commands.
Connecting Using RS-232C Cable p.5-7
Two lines from the Ethernet connector and RS-232C connector can be used together for communica-
tion. For example, "data confirmation/analysis" and "data collection/control, change of device setup" can
be performed simultaneously.
Note that there are restrictions as described below for communication in which two lines are used
together.
• The command entered first becomes valid, and the command entered next is executed after
processing of the first command ends.
ZW
5-4
User's Manual
Command communication
Obtaining a measurement result
Bank switching
Zero reset
RS-232C cable
For PLC/programmable terminal: ZW-XPT2
For personal computer: ZW-XRS2
Control by non-procedural communication
[Data confirmation/analysis]
• Check the SENSING screen
• Check the measured value
• Perform logging for the
measured value
Personal computer
Personal computer
Control by non-procedural communication
[Data collection/control, change of
device setup]
• Obtain the measurement result
• Execute zero reset
• Switch bank
Ethernet RS-232C
PLC
PLC