Manual

6
IM 04L41B01-19E
What the DX Can Do
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 Access
Measurement channel data Read
Computation channel
*1
data Read
Communication input data
*1*2
Write
*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.
Settings of the DX
TheDXisreadytouseafterthenodeaddresssettingshavebeenmade.
Access to the DX
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.
Introduction of Features