ADF Web HD67618-A1 User Manual page 18

S7comm / modbus tcp slave - converter
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Industrial Electronic Devices
Figure 4b: "S7 Protocol Access
The means of the fields in the window "S7comm Read" are the following:
In the field
"PLC
Address" the IP address of the PLC that contains the data to be read is defined;
In the field
"PLC
Port" the port used for S7comm communication is defined;
In the field
"PLC
Type" the family of the PLC is defined;
In the field "Rack" the Rack's ID of the PLC is defined;
In the field "Slot" the Slot's ID is defined;
In the field
"Data
Type" the data format of the variable to read is defined;
In the field
"Data
Identifier" the identifier of the variable to read is defined;
In the field
"PLC
Area" the memory area where the data is located inside the PLC is defined;
In the field
"PLC
Add" the starting memory address where the data is located is defined;
In the field
"PLC
Bit" the starting bit of the selected PLC Address is defined;
In the field
"Poll
Time" the frequency of the request is defined (in ms);
By checking the field
"On
By checking the field
"On
In the field "Position" the starting byte of the internal memory array from which taking the data to write is defined;
The field
"Start
Bit" is used for the "Bit" data. It is possible to select the bit of the selected Position from which taking the data;
If the field "Swap" is checked, the bytes' order is reversed;
If the field
"Swap
W" is checked, the words' order is reversed;
In the field "Mnemonic" a description of the data inserted in the row is defined.
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S7comm Write" window
Change" the S7comm write request is sent only if Modbus TCP data are changed;
CMD" the S7comm write request is sent when a Modbus TCP writing for the selected variable is received;
User Manual S7comm / Modbus TCP Slave
Document code: MN67618_ENG
Revision 1.000
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