Remote Operation
Series 2268 850 Watt DC Power Supplies Reference Manual
118
2268S-901-01 Rev. A / January 2015
MULTIPLE POWER SUPPLY CONNECTIONS TO RS-485 BUS
Up to 30 units may be connected to the RS-485 bus. The first unit (master unit) connects to
the controller via any appropriate port, and the other units (slave units) are connected with
the RS-485 bus via the J6 connector. All units connected together should also have unique
multichannel addresses.
A standard straight-through RJ-45 Ethernet network cable can be used to provide the
connection between the power supplies. See Figure 48.
Figure 50: Multi Power Supply Connection to RS-485 Bus
Multiple Power Supply Setup
Master Setup:
Configure the master unit by selecting the communication interface you wish to use to
communication with the Master and follow the setup instructions in this section.
Important:
If either RS-232 or RS-485 are used for communications with the
master, the data rate must be configured for 57600 bps to properly communicate
with the slave units.
Slave Setup:
1.
Turn the 9-position mode control to PGM.
is displayed in the output voltage display.
2.
Turn the rotary Adjust/Enter control to select
if the master is using LAN
mode, otherwise select
and press the control to enter the setting.
3.
Set a unique address. See “Multichannel Address Setting” on page 123.
Содержание Keithley 2268 Series
Страница 102: ......
