ICP DAS SG-3784M 4 Channel DC current Input Signal Conditioning Module User Manual

June 12, 2024
ICP DAS

4 Channel DC current Input Signal Conditioning Module
SG-3784M
User Manual

Introduction

The SG-3784M is a 4-channel DC current input signal conditioning module which can convert 4 ~ 20 mA current input to PWM output. This provides an economical solution when the 4 to 20mA current need to be converted to PWM output. The duty cycle, 0% to 100%, of the PWM output is a linear transformation of the 4 to 20mA current input. The frequency of the PWM signal can be in the range 600Hz to 800Hz and it can be adjusted by buttons. The SG-3784M includes a monochrome graphic LCD display which shows the duty cycle and frequency of the 4-channel PWM output signals. 4 kV ESD and 4 kV EFT protection are also provided to enhance noise protection capabilities in industrial environments.

Appearance

PIN Assignment

Wire Connection

ICP DAS SG-3784M 4 Channel DC current Input Signal Conditioning Module - fig
2

PWM Duty Cycle and Frequency setting

PWM duty cycle and frequency setting show the button switch positions used to configure the channel PWM duty cycle and frequency range. The PWM frequency configuration button switches are located left side the module for front view. ICP DAS SG-3784M 4 Channel DC current Input Signal Conditioning Module - fig
3

PWR The power LED of the module
Mode Press MODE to modify the channel frequency, the channel frequency

flashes. Long press MODE to modify the four-channel frequency at the same time, and the four-channel frequency flashes.
Up| Press UP to increase the frequency, long press to increase quickly.
Down| Press DOWN to decrease the frequency, long press to decrease quickly.
Set| Press SET to save the modified value. If only one channel is modified, it will switch to the next channel.
If it is to modify the four channels, stop the modification.
Press MODE during the modification to stop the modification.

Block Diagram

ICP DAS SG-3784M 4 Channel DC current Input Signal Conditioning Module - fig
4

Dimensions

ICP DAS SG-3784M 4 Channel DC current Input Signal Conditioning Module - fig
5ICP DAS SG-3784M 4
Channel DC current Input Signal Conditioning Module - fig
6

Technical Service

Please E-mail your problem description to service@icpdas.com when you have any questions.
More detail information: www.icpdas.com

Ver1.00,2022 Mar.

References

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