Are you interested in transferring an analog input from a pressure sensor on a SLC 5/05 to a Click PLC via ethernet on your plant network? Any assistance or suggestions would be greatly appreciated. This tank level sensor is currently connected to the SLC 5/05, and we aim to utilize this data on the Click PLC without the need for an additional sensor installation. Thank you!
The Click PLC offers support for Modbus TCP and can also function as an Ethernet IP Adapter. While I have not personally tested Ethernet/IP explicit messaging between the two, it may be feasible depending on the firmware in the SLC. It is worth noting that this example utilizes a Micrologix 1400 for Ethernet/IP explicit messaging, which could potentially be adapted for the SLC EEM instruction if supported by your SLC. Are there any Micrologix 1400 devices on the network? The Micrologix 1400 supports Modbus TCP on its Ethernet channel, making it possible to poll the SLC and transfer data to the Click PLC with minimal effort. For further discussions and assistance, you can visit the Automation Direct community forums at community.automationdirect.com.
OkiePC from the Community Automation Direct forum mentioned that the Click PLC has the capability to support Modbus TCP and can also function as an Ethernet IP Adapter. While explicit messaging via Ethernet/IP between the two devices has not been personally tested, it may be feasible depending on the firmware version of the SLC. It is worth noting that a similar setup using a Micrologix 1400 for Ethernet/IP explicit messaging could potentially be adapted for the SLC EEM instruction. If you have a Micrologix 1400 on the network, it can support Modbus TCP on its Ethernet channel and interact with the SLC, allowing for data exchange with the Click PLC. However, it is advised to avoid relying solely on Micro 1400 units, as they occasionally experience power outages. As a controls technician looking to expand their knowledge and experience, experimenting with MSG instructions for the first time can be a valuable learning opportunity. If your current SLC 5/05 RSLogix 500 project already utilizes MSG instructions with other Allen Bradley processors, there is a possibility that the unit can establish communication with the Click PLC. Feel free to seek guidance and advice from the forum community to help verify and troubleshoot any potential communication issues between the SLC and Click PLC. Your willingness to explore new technologies and techniques in your field is commendable, and the community is here to support your growth and development.
To verify compatibility with FRN 13, consider adding an EEM instruction and ensure it functions properly. This will require a consecutive block of 58 unused N registers. The MSG instruction in the 1400 differs from the SLC, but the underlying principles should be transferable to the EEM instruction. While the 1400 uses MG data files, the SLC utilizes N registers for MSG instructions, and the EEM is a distinct message instruction in the SLC. The Service Code, Class, Instance, and Attribute details from the A/D forum example can be applied to the EEM instruction. Additionally, configure the IP address of the Click on the Multi-Hop tab as needed. Ensure that the Ethernet IP adapter setup for the Click mirrors the example provided for proper implementation.
I believe I am on the right track as I included integers in my calculation. However, I encountered an error with a multihop address. Please refer to the details below.
An error message indicates that the processor does not support the EEM instruction, but your software processor is currently set to FRN 3-9 while a previous screenshot displayed FRN 13. To resolve this issue, consider selecting the appropriate SLC 5/05 processor with FRN 10 or later in the Controller Properties menu. This adjustment should eliminate the error message and allow you to input the necessary details for class, instance, and attribute in the EEM setup dialog.
You might want to consider using an OPC Server. The OPC Server communicates with your SLC 5/05 to read your tank level data. Your Click PLC, as well as other devices on your network, can then access this data through the OPC Server. This can be achieved without any need for additional sensor installation. Do remember, network settings and OPC Server setup need to be done correctly for seamless communication.
Absolutely, you can use a protocol like Modbus TCP/IP or EtherNet/IP which both the SLC 5/05 and the Click PLC support. You'll basically set up the SLC as a server, then have the Click PLC act as a client, requesting data from the SLC. The tank level sensor data could then be sent over the network. Make sure to consider your network's capacity and latency when setting this up, as this could affect the accuracy and timeliness of the data transmission.
Sure, to accomplish this task, you will need to set up communication between your SLC 5/05 and your Click PLC. One way could be through the use of OPC (OLE for Process Control) server software. It allows you to gather data from the SLC 5/05 and make it accessible to the Click PLC through Ethernet. As an alternative, you could also consider a protocol converter, although it's a bit more hardware intensive. Remember, safety and data accuracy should always remain paramount; if the data from this sensor is critical, it may be worth investing in a redundant setup with an additional sensor.
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Answer: 1. How can I transfer analog input from a pressure sensor on a SLC 5/05 to a Click PLC via Ethernet? - You can achieve this by setting up communication between the SLC 5/05 and Click PLC over the plant network using appropriate protocols and configurations.
Answer: - Yes, it is possible to make use of the existing tank level sensor data from the SLC 5/05 on the Click PLC by establishing communication and data transfer between the two systems.
Answer: - You can seek assistance in configuring the communication settings, selecting suitable protocols, and ensuring compatibility between the SLC 5/05 and Click PLC to facilitate the transfer of analog input data.
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