How to Establish Communication Between PanelView Plus 7 Performance Edition and SLC 5/05 PLC Using Ethernet?

Question:

Is it possible for a PVP7 to communicate with an SLC 5/05 PLC? I am encountering difficulties establishing communication between the two devices. While I have successfully set up PVPs with Control and Compact Logix systems in the past, I am struggling to make these two devices talk to each other. Does anyone know if these devices are compatible? Any guidance on this matter would be highly valued.

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It is uncertain if this is feasible, but it has been observed that 5/05 models with older firmware lack support for Ethernet IP, whereas newer versions do. This could potentially be the root of your problem.

After reaching out to Rockwell for assistance, I realized that the issue stemmed from a discrepancy between the topic name I had set for the tag import and the runtime target shortcut name. As I am more accustomed to working with offline tag files in Logix 5000, the importance of matching names when importing the .EAS file from Logix 500 had slipped my mind.

If your SLC-5/05 controller is around 20 years old, it may not be compatible with PanelView Plus. The original SLC-5/05 controllers only supported A-B's proprietary Ethernet protocol known as "Client-Server Protocol version 4". However, most SLC-5/05 controllers can be firmware upgraded to support both CSPv4 and EtherNet/IP, except for the very first Series A hardware SLC-5/04 controllers (manufactured between 1993-1995). SLC-5/05 controllers with the "Series C" network daughtercard that supports 10/100 Mb/s Ethernet definitely support both CSPv4 as well. You can determine which protocol your controller supports by attempting to browse it with the "Ethernet Devices" driver and the "EtherNet/IP" driver in RSLinx Classic. If it only appears in the older Ethernet Devices driver, it is likely an older CSPv4 only controller. Additionally, you can check the Series and FRN number using RSLinx Classic by right-clicking on the device properties. Controllers with FRN5 and later support EtherNet/IP. Note: Sometimes, providing details may be delayed due to evolving events.

If you're trying to determine which protocol your controller supports, a good method is to test it using the "Ethernet Devices" and "EtherNet/IP" drivers in RSLinx Classic. Controllers that only appear with the older Ethernet Devices driver are likely to be older CSPv4-only models. In ControlLogix systems, some machines with eNBT cards may be visible with the Ethernet IP driver, while others may not. Those that aren't detected by the Ethernet IP driver can often be found using the Ethernet Devices driver, but you'll need to have their IP address handy. It remains unclear why certain eNBT cards don't show up in the Ethernet IP driver.

Hey Tim, that's an excellent question! In RSLinx Classic, the "EtherNet/IP" driver utilizes a broadcast packet containing the CIP Command "List Identity" to communicate with devices. Each device receiving this packet sends back its Identity Object, which RSLinx uses to generate a graphical browse schema. On the other hand, the "Ethernet Devices" driver establishes individual TCP connections with devices in its station list. It is expected that every 1756-ENBT device is compatible with the "EtherNet/IP" driver in RSLinx Classic. However, there may be specific configuration, network mask, VPN, or other issues that could potentially impact the driver's performance. Despite these factors, the 1756-ENBT has consistently responded to the EtherNet/IP driver browse. Please note that older devices like the SLC-5/05 Series A or the 1756-ENET may not support the broadcast packet method and therefore will not be visible in the EtherNet/IP driver browse. Keep in mind that my knowledge is based on what I currently know, and there could be firmware nuances that I may not recall, especially on a Monday morning.

Yes, a PVP7 (PanelView Plus 7) should theoretically be able to communicate with an SLC 5/05. The key is to ensure that your HMI (the PVP7) and PLC (SLC 5/05) are set up to communicate over the Ethernet network. The procedure for configuring their IP addresses might vary slightly. Just ensure you're using compatible driver settings. Sometimes, you might need a firmware upgrade. Also, be aware that unlike the Control Logix series, the SLC series uses PCCC messaging, not CIP like newer PLCs, which might require some messaging tweaks.

Yes, it is certainly possible for a PanelView Plus 7 (PVP7) to communicate with an SLC 5/05 PLC, but it can be a bit tricky sometimes. Ensure that you're using Channel 0, RS232 - DF1 Full Duplex Driver in your SLC 5/05 and that the COM port settings match in both the PLC and the PVP7. Also, the SLC IP address should be configured correctly in the PanelView Plus 7. If you have everything set up right and still can't establish communication, you might have a hardware issue or a problem with your cables. It's always worth double-checking those as well!

While the PanelView Plus 7 (PVP7) generally has broad compatibility, it can indeed be a bit tricky to establish communication with an SLC 5/05 PLC. You'll need to use a DF1 driver, again these are usually used for connections through a serial cable, but the SLC 5/05 Ethernet port can also communicate using this protocol. Create a short integer array in the SLC to communicate HMI data and ensure the array is not being written by another source as well. It's not as straightforward as with Compact Logix, but it's certainly possible with a bit of extra effort.

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Frequently Asked Questions (FAQ)

FAQ: 1. Can a PanelView Plus 7 communicate with an SLC 5/05 PLC over Ethernet?

Answer: - While PanelView Plus 7 models are typically compatible with Control and Compact Logix systems, establishing communication with an SLC 5/05 PLC may present challenges.

FAQ: 2. What could be causing difficulties in setting up communication between a PanelView Plus 7 and an SLC 5/05 PLC?

Answer: - The compatibility issues between these devices could be a common reason for the communication difficulties.

FAQ: 3. Are there specific configuration settings or steps required to make a PanelView Plus 7 communicate with an SLC 5/05 PLC?

Answer: - Given the differences in communication protocols and capabilities between the PanelView Plus 7 and SLC 5/05 PLC, there may be specific configuration settings or steps that need to be followed to establish successful communication.

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