Modbus Set Access - ADF Web HD67D01-2-B2-868MHz User Manual

Industrial Electronic Devices

MODBUS SET ACCESS:

By pressing the "Modbus Set
appears.
This window is divided in two parts, the "Modbus Read" (Fig. 5a) and the "Modbus Write " (Fig. 5b).
The first part "Modbus Read" is used to read the data from the Modbus slaves and make them available on LoRaWAN side.
The second part "Modbus Write " is used to write the data that arrives from LoRaWAN side to the Modbus slaves.
M R
ODBUS EAD
The means of the fields are:
If the field "Enable" is checked,
the Modbus request is enabled;
In the field "Slave
address of the Modbus device to
read is defined;
In the field "Type" the data type
of the register to read is defined.
It is possible to choose between
the following:
Coil Status;
o
Input Status
o
Holding Register;
o
Input Register.
o
In the field "Address" the starting address of the register to be read is defined;
In the field "NPoint" the number of consecutive registers to be read is defined;
In the field "Poll Time" the delay time to make the request is defined;
In the field "Max Error" the number of consecutive errors that the converter waits before suspending the request is defined;
In the field "Position" the address of the internal array where placing the information is defined;
In the field "Start Bit" the starting bit of the first byte of the field "Position" is defined;
If the field "Swap" is checked, the data from the Modbus registers are swapped;
If the field "Swap Word" is checked, the Modbus words are swapped;
In the field "Mnemonic" the description for the request is defined.
ADFweb.com S.r.l.
Access" button from the main
ID" the
User Manual LoRaWAN / Modbus Master
Document code: MN67D01_ENG
window for SW67D01 (Fig. 2) the window "Set Modbus Master Access"
Figure 5a: "Set Access
Revision 1.000 Page 23 of 31
 Modbus Read" window