Productivity Analog Input Scaling
The productivity suite software has two different instructions for scaling analog values.
In our example of a tank, we will use Scale Linear to find the height of the liquid in the tank.
Our 13-bit resolution is 1FFF hexadecimal which equals 8191 decimal. The input signal is 4 to 20 ma, so our raw input will be 1638 to 8191.
This will represent 0 to 200 inches in our tank.
Calculating the volume will not be a straight line. We will use the non-linear scale instruction to calculate the tank gallons based on the signal height.
You can scale your non-linear output with up to 16 break points. As the analog signal is changed, the corresponding result is displayed.
In this example, we are using resistors to create the 4-20ma input signal to the PLC. Here is a video showing how this was done.
• Analog 4-20 ma Current Input to PLC
Programming and examples of the Productivity series can be found at this URL:
https://accautomation.ca/series/produ...
https://accautomation.ca/series/produ...
Productivity offers three distinct form factors, with two being rack-based and one being stackable. The productivity suite software provides versatile programming with tag name addressing that has no predefined memory structure and offers convenient device integration for easy plug-and-play operation with our PS-AMC motion controllers, GS drives, Protos X field I/O, and StrideLinx VPNs. Each series offers different I/O capacities, but all use the same programming software, allowing you to quickly scale your control up or down depending on the application or machine build.
A few of the Features:
Tag name-based programming with 50MB user memory
Numerous built-in communication options, including Ethernet, serial, USB, remote, and local expansion
Web server and mobile access
OLED/LCD module data displays (P2000/P3000)
Integrated motion controller, GS drive, StrideLinx VPN, and Protos X field I/O support
External microSD data logging
Scalable platforms from 128 to over 59K I/O points with analog, discrete, pulse width modulation, and high-speed options
ABS certified for marine applications (P2000/P3000)
Project simulator
Easy-to-use coordinated motion control with the PS-AMC motion controllers and built-in motion instructions
General information on the Productivity PAC series of controllers:
https://www.automationdirect.com/adc/...
PLC (PAC) Selector and Configuration:
https://www.automationdirect.com/syst...
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ACC Automation
https://accautomation.ca/