Configuring the IO Controller
Section 7-4
104
3 To compress the area, press the
Compress
button at the bottom.
4 After finalizing the compress action, select the
Apply
button at the lower
right corner, to save the changes made.
Selecting the I/O Area Start
Address
After finalizing the mapping of the I/O modules on to the various I/O areas, the
addresses to which the areas will be mapped in the PLC memory need to be
defined. To define the area mapping, perform the following settings.
1,2,3...
1 For each area, which contains I/O modules, select the PLC memory area.
2 For that area, set the address to which the first location of the Input/Output
area will be mapped. The Input/Output area will occupy the PLC memory
area, from this start address to ascending memory locations.
3 The total size per Input/Output area can be found for each area, next to the
PLC memory area selection box.
7-4-6
Supported Data Types and Conversion
The CJ1W-PNT21 PROFINET IO Controller Units perform an interface
function between a PROFINET IO network and the CJ1 PLC CPU. On both
sides of the interface different formats for data and data storage are used.
To ensure that I/O data transferred through the interface can be used on both
sides of the interface without additional formatting, the CJ1W-PNT21
PROFINET IO Controller Units perform the necessary data formatting. This
ensures that I/O data in the PLC CPU memory can be processed by standard
PLC Instructions, and that the I/O data transferred to / from the PROFINET IO
Devices over the network is compliant with the PROFINET IO definitions.
Note
Compressing an Input/Output area has no effect on the start address of
the area.
Note
1 The CJ1W-PNT21 IO Controller DTM will check whether two or more
selected mappings on to the PLC memory will be overlapping. In that
case, the start address set, will be shown in red.
2 Upon downloading the configuration to the CJ1W-PNT21 PROFINET
IO Controller Unit, the Master DTM will also check if the PLC memory
areas selected do exist in the PLC CPU model, connected to the
Master Unit (e.g. are any selected EM-banks present).
3 If any mapping error is discovered by the Master DTM, an error mes-
sage is displayed, and download is terminated.
Содержание CJ1W-CRM21
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