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Function and Features

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/IT6933B/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.

3.13 Analog Control Interface

The IT6922B, IT6932B, IT6933B, IT6942B, IT6952B, IT6953B power supplies

have an external analog interface on the rear panel (see rear panel

introduction). The output voltage, current and ON/OFF can be controlled by

external voltage (0~10 V). If the user connects a voltage control device to

multiple power supplies, the output of multiple power supplies can be adjusted

simultaneously. External analog signals to control or monitor the output of the

power supply. Refer to the following diagram for the signal connections of the

analog interface.

ITech IT6952A User Manual

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