Operations introduction
Copyright © Itech Electronic Co., Ltd. 36
Chapter4 Operations introduction
This chapter will mainly introduce IT8700’s menu operation function.
4.1 Local/remote operation
The front panel has keyboard controls for setting voltage, current, resistance
and power. Local operation means control the electronic load via the keys on
the front panel and the menu operation. Remote operation means control the
electronic load through computer via the RS232, USB or Ethernet interface.
You can press + key to switch into local control.
4.2 PC control connection
IT8700 series electronic load can achieve remote control via RS232 /USB
/ETHERNET, but only one interface can be used at one time. choose the
interface via the system key（SYSTEM）. Connect Communication cable before
power on. Do not support hot plug, as it may damage communication interface
of electronic load. The following picture shows how to connect RS232 cable
between electronic load and PC and show the specific configuration.
Procedure：
1. Connect RS232 cable.
2. Power on the electronic load
3. Select channel number via key, such as channel1
4. Enter system menu via + key, use to choose
<communication>, press key to enter, use key to choose
RS232, press key to confirm.
RS232
USB TMC-USB488
GPIB
ETHERNET
5. Now Display return to main menu, use key to choose <RS232>
menu, press key to enter. First set <Baudrate Set>, use +
key to choose and enter；use key to choose<Parity Set>，use
+ key to choose <none> and confirm； Use key to
choose<Handshake Set>, use + key to choose<None> and
confirm.
Baudrate Set
Parity Set
Handshake Set
Exit
Note: means to press this key to choose.
4.3 Operating modes
The electronic load can work in the following 4 modes:
Constant current operation mode (CC)
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