4.1 Communication Overview
WUME-SCHG1ETC-2
4-2
4.1 Communication Overview
4.1.1 Communication with Master Device
Data exchange between this product and the master device is performed using process data
objects (PDOs). PDO is classified into two types: RxPDO and TxPDO. RxPDO is used to send
data from the master to a slave, while TxPDO is used to send data from a slave to the master.
RxPDO and TxPDO are allocated to 1600 and 1A00, respectively, in the object dictionary. Data
is updated periodically via cyclic transmission. The master station can use the functions of this
product by accessing the PDO communication area allocated on the memory map.
This product
•
Communication unit
information
→ Various statuses
•
Controller information
→ Output
→ Measured value
→ Set value
→ Error state
1A00(6000)
1600(7000)
Memory map
Controller
communication control section
Communication control section
TxPDO
RxPDO
EtherCAT
master device
Cyclic transmission
Lateral
connection
connector
Controller
Controller
Measured
value
Error
information
Judgment
output
Set value
Communication unit control section
•
Communication unit
control
→
Operation mode switching
•
Command transmission
request
→ External input
•
Controller control
→
Command type setting
→ Data (Set values)
PDO communication area
Summary of Contents for SC-HG1-ETC
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Page 91: ...6 1 6 Specification and Dimensions 6 1 Specifications 6 2 6 2 Dimensions 6 3 ...
Page 94: ...WUME SCHG1ETC 2 6 4 MEMO ...
Page 95: ...7 1 7 Warranty 7 1 Important Information about Order and Use of This Product 7 2 ...
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Page 101: ...9 1 9 Troubleshooting 9 1 Error Codes and Solutions 9 2 9 2 Solutions to Problems 9 4 ...
Page 108: ...10 2 Sample Program WUME SCHG1ETC 2 10 4 10 2 Sample Program 1 2 3 4 5 6 ...
Page 114: ... MEMO ...
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