ISUPS2B004 Rev 1
Page 38 of 70
Ampcontrol Pty Ltd
– ABN 28 000 915 542
ISUPS 300Wh V2 USER MANUAL
ISUPS2B004 R2
– DEC/17
10.6 Modbus Communications Menu
– 5
th
Major Sub-Menu
To activate the RS485 communication it needs a safe PSU with the following specifications: Voltage
Rating: 12V min & 16.5V max; Current Rating: 0.05A min & 2.8A max.
6E.Modbus Setup
Press the UP button to access this menu. The Modbus Configuration, View and Modify major menu
allows the editing of the Modbus port settings. It has two submenus which may be accessed by pressing
the RIGHT button.
Pressing the RIGHT button progresses the display to show the Modbus Slave Address Menu.
Pressing the UP button returns to the Relay Configuration Modify Menu.
Pressing the DOWN or LEFT button has no effect.
10.6.1 Modbus Slave Address Menu
Slave Addr:
> 1<
Press the RIGHT button to access to this menu. This menu allows selection of the slave address of the
device. The selection of address 0 will switch the Modbus communications OFF; any other address will
cause the unit to respond to messages of the same address. By default, address 1 is selected.
Pressing the ENTER button saves the setting into memory.
10.6.2 Modbus Configuration Menu
Modbus Config:
> 9600:E:8:1<
Press the RIGHT button to access to this menu. This menu allows selection of the baud rate, parity and
stop bits for the Modbus communications. Note that the data format is fixed to 8 bits, and therefore is not
selectable.
Selection is made by multiple presses of the UP or DOWN buttons. The possible settings are as in Table
4, following.
The RIGHT button has no effect.
The LEFT button returns to the previous menu.
The ENTER button saves the setting into memory. Press the ESC button to return to Modbus
Configuration View and Modify Menu (fifth Major Sub-menu).