Chipkin Automation Systems > Case Studies > Modbus TCP to HTTP

Modbus TCP to HTTP

Chipkin Automation Systems Logo
Technology Category
  • Application Infrastructure & Middleware - Data Exchange & Integration
  • Networks & Connectivity - Gateways
Applicable Industries
  • Consumer Goods
Applicable Functions
  • Discrete Manufacturing
About The Customer
Hanger Manufacturer
The Challenge

ABC Company’s site consists of multiple industrial motors, called drives, that are used to bend wire into hangers.  Currently they use a system called File Maker to manually input inventory and job details.  Information such as job started, stopped, maintenance required, wire required, and others are all manually written on log sheets before being inserted into the main File Maker database.  The current process is slow, not in real-time, and allows for mistakes to occur in the data entry.  There are also two site locations, and for the remote site the data needs to be sent to their main site for data logging.

The company is currently updating all their drives which will allow them to have all the data points available as Modbus TCP data points.  We have been asked to help the customer integrate the Modbus TCP data automatically from the drives and send it directly to the File Maker system using HTTP requests in real time.


A custom Modbus TCP driver to get data from the drives and push various state data and inventory information to File Maker

Stable hardware and/or software to be installed on both the local and remote site to gather, store, and transmit the data

Needs to be scalable and efficient

The Solution

Our solution for the customer is to install multiple gateways that contain the custom Modbus TCP drivers to poll the values from a subset of the drives on the network.  One other gateway will be installed in the remote location to poll from the various drives found there.  All of the gateways will be configured to send HTTP requests containing the required data to the central File Maker server in the main local site.

We offer to install our CAS Gateway on the site’s local network and their remote network, where they will collect the data, run logic on it, and sends the data and commands to the File Maker webserver.

Data Collected
Inventory Cycle Count, Inventory Cycle Times, Inventory Levels, Maintenance Requirements
Operational Impact
  • Chipkin was able to successfully implement the solution on spec, but during initial testing we discovered that the processing power of the CAS Gateway devices were not capable of keeping up with the polling speeds required to service all the drives on site.  After testing, we determined that one hardware device was capable to handling ten drives.  Therefore, we altered the solution by providing one hardware CAS Gateway for the remote site, and two hardware and one software CAS Gateway for the local site.

    With the CAS Gateways installed, the customer was able to automate their data entry, decrease data entry errors, and receive their data in close to real-time.

Quantitative Benefit
  • Cost-savings, automated data entry to decrease errors in orders, and able to receive data in real-time. 

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