4. Configuration
83
Figure 4-17. Data Requests Screen MODBUS Master
01 – Read Coils
02 – Read Input Status
03 – Read Holding Registers
04 – Read Input Registers
05 – Write Coil
06 – Write Register
15 – Write Multiple Coils
16 – Write Multiple Registers
22 – Register Write Mask
23 – Read/Write Multiple Registers
Communication period (ms)
Initial Address of
the Read Data
Initial address of the
MODBUS read data
Depends on the function used
MODBUS Read data address
range
Initial Address of
the Write Data
Initial address of the
MODBUS write data
Size of MODBUS Write data
Depends on the function used
MODBUS Write data address
range
Name of a variable declared in a program
or GVL
Variable used to disable
MODBUS relation
Field for symbolic variable used to disable,
individually, MODBUS requests
configured. This variable must be of type
BOOL. The variable can be simple or array
element and can be in structures.
Table 4-49. MODBUS Master Relations Configuration
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General