Table of Contents
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Introduction of Features
What the DX Can Do
Settings of the DX
Access to the DX
6
The DX provides the following functions:
• Participate in an PROFIBUS-DP network as a PROFIBUS-DP slave.
• Communicate with a PLC from Siemens.
• The master can access internal data of the DX.
Data
Measurement channel data
Computation channel
*1
Communication input data
*1 This is an option (/M1 and /PM1).
*2 Communication input data, if coded in a calculation expression in the computation channel,
can be displayed on the DX.
The following shows examples of usage.
• Data on devices on a network can be recorded by a PLC to the DX.
• Data measured by the DX can be acquired by a PLC.
The DX is ready to use after the node address settings have been made.
The DX is a passive device on an PROFIBUS-DP. The DX cannot initiate a request. PLC,
a class 1 master device, initiates a request and accesses the DX.
Access
Read
data
Read
*1*2
Write
IM 04L41B01-19E
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