Page 192 - PHU_User Manual_EN_Rev A

PHU Series User Manual

If the user is using a PC to send commands via RS485,
Note it is recommended to connect a 120Ω resistor in
parallel at the PC’s output terminals - between RXD- &
RXD+, and between TXD- & TXD+.

4. Press the Menu -> Communication->

RS232/RS485 settings for the all unit.
Set the following settings:
Mode: Configure the unit as you normally
DISABLE/RS232/ would for RS232 or RS485 remote
RS485 control (set all units the same).
Baud rate(bps):
2400/4800/9600/ Set the baud rate (set all units the
19200/38400/57 same).
600/115200
Set the address of each unit. It must
Address: 0~128
be a unique address identifier.
The remote command supports the
Protocol: SCPI
SCPI commands.
5. Multiple units can now be operated at the same

time. See the programming manual or see the
function check below for usage details.

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