pag. 16
SET ACCESS:
By pressing the “
Set Access
” button from the main window for SW67602 (Fig. 2) the window “Set Access” appears.
This window is divided in two parts, the "
Modbus Read
" (Fig. 4) and the "
Modbus Write
" (Fig. 5).
The first part "Modbus Read" is used to read the data from the Modbus slaves, and make them available to read from the Master PROFINET.
The second part "Modbus Write " is used to write the data that arrives from the Master PROFINET into the slaves Modbus.
M
ODBUS
R
EAD
:
The means of the fields are:
In the field “
Slave ID
” is defined the address of the
Modbus device you have to read;
In the field “
Type
” insert the data type of the
register you would like to read. You can choose
between the following:
o
Coil Status;
o
Input Status
o
Holding Register;
o
Input Register.
In the field “
Address
” is defined the start address
of the register to be read;
In the field “
NPoint
” insert the number of consecutive registers to be read;
In the field “
Poll Time
” insert the time to make this request;
In the field “
Max Error
” is the number of errors continues that the gateway waits before suspending the poll until the next reboot. If is set to zero, this function is disabled;
In the field “
Position
” insert the address of the PROFINET array where place the information;
In the field “
Start Bit
” insert the start bit of the first byte of the field “Position” where start to insert the data read. Valid only for the “Coil Status” and “Input Status”.
In the field “
Mnemonic
” the description for the request is defined.
Figure 4: “Set Access
Modbus Read” window
Summary of Contents for CNV510-PNET-RTU-A
Page 4: ...pag 4 MECHANICAL DIMENSIONS...
Page 5: ...pag 5 EXAMPLE OF CONNECTION...
Page 6: ...pag 6 CONNECTION SCHEME...
Page 7: ...pag 7 POWER SUPPLY...