External Control(Ext I/O) - ITech IT5101 User Manual

measurement leads (probes) (i.e., their length, shape, position, etc.), the
measurement leads must be positioned in the actual measurement state before
performing zero adjustment.
Wiring Method for Zero-Adjustment
When execute zero adjustment, the four terminal short connection of test lines
provided by ITECH with the help of Zero adjustment board
Executing Zero-Adjustment
1.
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4.

3.16 External Control(EXT I/O)

The EXT I/O interface in IT5101 rear panel is used to external output terminals
and external control terminals. Please pay attention to this alarm information
before connecting
To avoid electric shock or damage to the instrument, always observe the
following precautions when connecting to the EXT/ I/O terminals.
 Always turn off the power to the instrument and to any devices to be
 During operation, a wire becoming dislocated and contacting another
 Ensure that devices and systems to be connected to the EXT I/O
Connecting the test line probes to zero adjustment board correctly.
Press [Cal Zero] in front panel and enter the Calibration zero page.
In calibration zero page, user can set the delay time and delay execute the
zero adjustment, the delay time can set from 0 to 9 sencond.
Press [Start] softkey and start zero adjustment.
connected before making connections.
conductive object can be serious hazard. Make sure that
connections are secure and use screws to secure the external
connectors.
terminals are properly isolated.
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Electronics Co., Ltd.
Function and Features
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