Menu Item 19: Modbus Communication Settings; Menu Item 20: Tests - Datcon DT4220 E Series Operating Instructions Manual

DT4220 E
Function
Sequence of operations 1. Enter the menu by typing the supervisor code.
Function
Sequence of operations 1. Enter the menu by typing the supervisor code.
20180619-V0

7.18. Menu item 19: MODBUS communication settings

The instrument can be connected to a PLC or to a computer for
MODBUS RTU slave protocol communication.
Here you can find how to set communication parameters.
Note 1:
When no communication option is installed than these parameters are
indifferent.
Note 2:
You have to set at the PLC or at the computer the same
communication parameters as here.
2. Keep stepping by pressing the ▲ button as long as you see this
menu item.
3. Enter the menu item by pressing the Menu button.
4. Pressing the ▲ button, select the desired sub-menu item.
5. You can enter to sub-menu by pressing the Menu button and you
can exit from sub-menu item by pressing the Esc button.
(6. Press Esc button again if you want to leave the menu.)
The selectable sub-menus:

 MODBUS mode: RTU or ASCII
 MODBUS address: the slave address
 MODBUS baud rate: 2400 or 4800 or 9600
 MODBUS parity: even or odd or none
 MODBUS wait: delay time before answer [ms]

7.19. Menu item 20: Tests

Testing the display and the digital outputs.
2. Keep stepping by pressing the ▲ button as long as you see this
menu item.
3. Enter the menu item by pressing the Menu button.
4. Pressing the ▲ button, select the desired sub-menu item.
5. You can enter to sub-menu by pressing the Menu button and you
can exit from sub-menu item by pressing the Esc button.
(6. Press Esc button again if you want to leave the menu.)
The selectable sub-menus:

 display test
 digital outputs test
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