- RSLINX CLASSIC NOT SHOWING ENBT UPDATE
- RSLINX CLASSIC NOT SHOWING ENBT DRIVER
- RSLINX CLASSIC NOT SHOWING ENBT PC
- RSLINX CLASSIC NOT SHOWING ENBT PLUS
While using a 1756-ENBT module in an application with MSG instructions to/from 20 PLCs, plus HMI traffic, some instructions failed and sometimes the HMI screens froze. Issue: Intermittent communications in Allen-Bradley Ethernet Module Loading It makes more sense to handle this in the PLC and document it well. Note: you can adjust the scaling using a parameter in the 20-Comm-E card, but it will only scale the speed command it won’t scale the feedback. This will ensure that the command/feedback engineering values are in sync. You will also have to invert the scaling error and apply it to the speed feedback. In the field, we verified the result using a handheld tachometer. This in turn scales down the speed of drive to the desired result.
To correct this, calculate the scaling error and use that to scale down the counts sent to the 20-Comm-E card. This becomes apparent when you look at the diagnostics on the 20-Comm-E card using the HIM on the drive the counts sent to the drive were being scaled between the 20-Comm-E card and the drive. We saw that while sending a speed reference to the 20-Comm-E card, a different commanded speed was being received by the drive. The 20-Comm-E card still uses counts (-32767 to 32768), relative to the configured min/max RPM or Hz. This is a known issue for PowerFlex 20P drives using 20-Comm-E cards. While attempting to control the speed of a PowerFlex 20P (DC drive) using a 20- Comm-E card, you may discover a scaling issue between the speed reference command you are sending to the drive and the speed command the drive itself is receiving. Issue: Allen Bradley PowerFlex DC drive speed reference feedback scaling
RSLINX CLASSIC NOT SHOWING ENBT UPDATE
If your controller appears with a question mark indicating an unrecognized device, make sure to update RSLinx.
RSLINX CLASSIC NOT SHOWING ENBT DRIVER
The configured driver should appear in the remote driver name, as in Figure 5.
RSLINX CLASSIC NOT SHOWING ENBT PC
You should be able to browse for the first PC and see it by computer name. The second PC should display a screen similar to the following: If not, look at the help in the emulator for configuring RSLinx. You should have already installed the Virtual Backplane adapter for the emulator, as represented in Figure 3. Restart RSLinx after configuring it to act as a gateway (don’t just close it), as in Figure 2. It is critical to update RSLinx to a current version due to EDS file incompatibilities between the emulators and RSLinx.įrom the RSLinx Classic Gateway menus choose: Communications/Configure Gateway as in Figure 1, below. Use RSLinx as a Gateway between two computers to avoid developing on the computer running the PLC emulator.
In this case, we needed to use RSLinx on the same virtual machine (VM) that hosted a WonderWare application server and its OPC client. Performance improvement is sometimes complicated by a lack of Ethernet support in the emulator environment when configured in RSLinx as a virtual bus. When developing and testing a large system in a virtual environment, performance can be improved by running the emulator on a separate VM from the programming software. Improving performance of a development environment when using Rockwell Studio 5000 Emulator and a separate computer for development.
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