Technical FAQs

Ask a Question

Where to increase the Unity data exchange value on a Quantum PLC?

Title
Increase the Unity data exchange value on a Quantum PLC
 
Issue
Where to increase the Unity data exchange value on a Quantum PLC?
 
Product Line
Quantum
 
Environment
Unity Pro
 
Cause
N/A
 
Resolution
In Unity, on the CPU configuration screen for the Quantum CPU configuration under the heading for Communication - The Maximum Unity data exchange by PLC per scan,
By default, the bandwidth is 4x256 bytes, supported by the Quantum OS versions prior to V2.80 for the CPU and V4.60 for the NOE.   
The maximum data volume exchanged each cycle between the NOE and CPU modules can be set higher based on CPU model.  

For the following Quantum processors:
140 CPU 311 10
140 CPU 534 14
140 CPU 434 12  
The available Communication exchange size selections are:
- 4x256
- 4x1024  

For the following Quantum processors:
140 CPU 651 50
140 CPU 651 60
140 CPU 652 60
140 CPU 670 60
140 CPU 671 60
140 CPU 672 60
140 CPU 672 61
140 CPU 678 61  
The available Communication exchange size selections are:
- 4x256
- 4x1024
- 8x1024
- 12x1024  

 
Was this helpful?
What can we do to improve the information ?