Table 1 Primary hardware configuration table.

From: Research and design of multiple gas mixing system in modified atmosphere packaging

Name

Technical parameter

Note

ST30

Working voltage

24 V DC

Output type

Transistor type

Communication ports Number of expansion modules

2–4

Number of I/O points

12 inputs; 8 outputs

EM AM06

Working voltage

24 V DC

Number of analog input points

4

Number of analog output points

2

Rated power

5 W

EM AQ 02

Working Voltage

24 V DC

Number of analog input points

0

Number of analog output points

2

TPC1061Ti Touch Screen

Resolution

1024*600

System storage

128 M

Serial port

COM 1 (RS232)

COM 2 RS485)

Ethernet port

10/100 M Self Adaptive

SuK-BOX-4G

Working voltage

24 V DC

Serial port

RS485/RS232

Number of ethernet

3

Working temperature

-25 ℃~75 ℃