National Instruments RMX-410 Series, Руководство пользователя, Страница: 77 / 132

76
NATIONAL
INSTRUMENTS
CHAPTER 7: Serial RS232/RS485 and USB Interface
7.1 Introduction
This chapter describes the set-up, operation, commands and communication protocol of RMX-
410x power supplies via serial communication interfaces: RS232, RS485 or USB.
7.2 Configuration
Function Level Display Parameter Level Display
Interface INt
232 232
485 45
USB sb
LAN n
Address ADR 1….31 1...31
Baud Rate Bd 1200..57600 5.
Language ANG
SCPI SC I
GEN
GEN
IP Address
I
IP1---IP4
I 2 10
MAC Address
MC
MAC1-MAC6
MAC 3345
LAN Reset
RST
Yes
es
Table 7-1: Front panel setup
7.2.1 Default Setting
Refer to Table 5-7: Memory parameters.
7.2.2 Address Setting
The power supply address can be set to any address between 1 and 31.
1. Press REM button. The REM LED illuminates. ”
dr
” message appears on the Current display.
2. Press Current encoder. Voltage display shows ”
dr
” and Current display shows present address.
3. Rotate the Current encoder to select required address.
4. Press Current encoder to enter selected parameter to memory.
5. When parameter is accepted the display blinks once and returns to the previous level.
7.2.3 Communication Interface Selection
The RMX-410x power supply can be configured for RS232, RS485 or USB(*) communication interface.
1. Press REM button. The REM LED illuminates. ”
INt ” message appears on the Voltage display.
2. Press Voltage encoder. Voltage display shows ” INt ” and Current display shows communication
interface.
3. Rotate the Current encoder to select the required interface.
4. Press Current encoder to enter selected parameter to memory.
5. When parameter is accepted the display blinks once and returns to the previous level.
* Do not connect or disconnect the USB cable when the PS is operating.