Hardy HI 6600 Series Modular Sensor System - Manual (Page 63)

HI 6600 Series Modular Sensor System User Guide
Page | 63
On the HI 6110 optional display: select the communication menu and use the UP or DOWN button to
select the Modbus-RTU submenu, then select the Baud Rate menu item. The current Baud Rate value will be
displayed, press the ENTER or the RIGHT button if the value needs to be modified.
Parity Parameter
The Parity parameter has three options, EVEN, ODD, or OFF.
On the Web page: select the communication menu and then select the Modbus RTU submenu, and left
click inside the Parity field and select even, odd or off using the drop down menu.
On the HI 6110 optional display, select the communication menu and use the UP or DOWN button to select
the Modbus-RTU submenu, then select the Slave Address menu item. The current Parity value will be
displayed, press the ENTER or the RIGHT button if the Parity needs to be modified.
1) Setup a slave address assigned to the HI 6600 series instrument from the communications menu and the
Modbus-RTU submenu.. Use a unique address between 1 and 247
2) Set the Baud Rate to the same as the master device, typically 9600 or 19,200 Step 3. Set the Parity Bit
parameter to match that of the Modbus-RTU master (EVEN,ODD, or OFF)
The RS 485 half duplex pinout is:
GND SHIELD TX+ TX-
Signal
Ground Do Not
Connect TXD+ /RXD+
Non-inverting
TXD-/RxD-
Inverting