Functions and Features
4.5 Analogue Function (Ext-Program) (Optional)
The external analog quantity function means that the user can input an analog
signal in the range of 0V to 10V through the analog quantity input interface for
remote setting of the instrument’s input setting value. The external analog quan-
tity function is not the standard-equipped function for the instrument. It is only
available when the user selects the IT-E177 interface card.
The rear panel of this series of instrument provides an optional interface card in-
tegrating the RS232 and analog quantity function. The interface card provides
the following capability:
• Remotely control voltage and current values.
• Remote monitoring of output voltage/current measurement.
• RS232 communication interface, please refer to 2.6.4 RS232 Interface for
detailed description about the interface.
Analog Card Interface Introduction
The analog function interface is located on the optional IT-E177. The pins de-
scription is as below.
Pins Name Type Description
1, 2, 3 TXD,
RXD,
DGND
Commu-
nication
terminal
RS232 interface connection terminal.
4 GND Ground Ground for analog inputs and outputs.
5 V-Monitor Analog
out
Voltage monitor signal.
Copyright © Itech Electronic Co., Ltd.
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