Understanding Communication Protocols for Kuhnke 657 PLC Upgrades to C-More HMI

Question:

I have an aging Kuhnke 657 Programmable Logic Controller (PLC) integrated into my machine. We are planning to upgrade the Human-Machine Interface (HMI) to a C-More model. Can anyone provide information on the communication protocol used by this PLC? Your insights would be greatly appreciated!

Top Replies

For more information on the outdated controller, I recommend reaching out to Kuhnke directly to inquire about any available specification sheets or documentation. Best regards.

I have sent them an email regarding the programming software and am currently awaiting their response.

Is a card available? It appears that they offer support for several different types. For more details, visit: http://www.kuhnkeusa.com/bussystems.php

Everything operates on cards. The communication cable connects directly to the CPU card for seamless functionality.

Are you able to provide the part number and manufacturer of the HMI (Human-Machine Interface) in question? This information could simplify the process of determining its current communication protocols.

I’ve worked with the Kuhnke 657 before, and typically it uses the ASi (Actuator-Sensor Interface) or standard RS-232/RS-485 communication protocols. If you're planning to integrate it with a C-More HMI, you might need a converter or interface module depending on your specific communication setup. It could be worth double-checking the documentation for your PLC version to confirm the protocol details, but hopefully that gives you a solid starting point!

More Replies →

Streamline Your Asset Management
See How Oxmaint Works!!

✅   Work Order Management

✅   Asset Tracking

✅   Preventive Maintenance

✅   Inspection Report

We have received your information. We will share Schedule Demo details on your Mail Id.

You must be a registered user to add a comment. If you've already registered,
sign in. Otherwise, register and sign in.

Frequently Asked Questions (FAQ)

FAQ: Q1: What communication protocol does the Kuhnke 657 PLC use?

Answer: A1: The Kuhnke 657 PLC typically uses standard communication protocols such as Modbus, Profibus, or CANopen. However, it's essential to refer to the specific model documentation or contact the manufacturer for precise protocol details.

FAQ: Q2: Can the C-More HMI interface with the Kuhnke 657 PLC?

Answer: A2: Yes, the C-More HMI can interface with the Kuhnke 657 PLC, provided that the correct communication protocol is supported by both devices. Ensure that the C-More HMI supports the same protocol as the PLC, such as Modbus, for seamless integration.

FAQ: Q3: What steps should I take to ensure compatibility between the Kuhnke 657 PLC and the C-More HMI?

Answer: A3: To ensure compatibility, follow these steps: 1. Identify the communication protocol used by the Kuhnke 657 PLC. 2. Verify that the C-More HMI supports this protocol. 3. Obtain the necessary communication cables and configure the HMI settings to match the PLC's communication parameters.

FAQ: Q4: What should I do if I'm unsure about the communication protocol of my Kuhnke 657 PLC?

Answer: A4: If you're unsure about

Ready to Simplify Maintenance?

Join hundreds of satisfied customers who have transformed their maintenance processes.
Sign up today and start optimizing your workflow.

Request Demo  →