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Function and Features
Copyright ©ITECH Electronic Co., Ltd. 25
NOTE
In order to ensure the stability of the system, using armored twisted pair cable between
the remote sense terminal of IT6900 and load.
Please note that the positive and negative polarity when wiring, otherwise it will damage
the instrument!
3.12.2 RS485 and Output Sync signal interface
Terminals on IT6922B/IT6932B/IT6942B/IT6952B/IT6953B power supply rear
board comprise Output Sync signal interface and RS485 communication
interface, as shown below.
+,-: Output Sync signal terminal
A, B: RS485 communication interface
DC source output indication function:
There is a Output Sync terminal which is used to indicate the output state of DC
source at the rear panel. When in output on mode, Output Sync terminal will
output a high level. When in off mode, Output Sync terminal will output a low
level.
RS485 communication interface
RS485 communication interface is often used for multiple devices control.
Press shift + I-set button to entry into the menu, user need to set the
parameters of Baud rate, Data bit, Stop bit, parity bit and address, the setting is
the same with RS232 communication setting.
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