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"Who Else Needs To Move Data In An Ethernet TCP/IP Packet
A Modbus TCP Client? " |
| Are you confused about Ethernet communications? Many of us are. Here is a quick summary. Ethernet is the base physical layer communications. Ethernet is the pipe. In the pipe we have TCP/IP packets usually referred to as TCP. Data in a TCP packet is specific to an application. Usually it has a very highly structured data like your email or browser data.
Other times the data in a TCP packet is very specific to a device. For example, a manufacturer of weigh scales may put the weigh data in a TCP/IP packet in a format like “ 125.56 grams”. Unfortunately, many HMIs, Programmable Controllers and other devices aren’t able to open a TCP/IP packet like this and process the data. They need it much more highly structured.
Well, that’s the device that we have. It takes the data out of a TCP/IP packet and stores in a set of registers that can be read by a Modbus TCP Client. A Modbus TCP Client is a device that can read registers from a Modbus TCP Server. This allows your HMI, Programmable Controller or other device to easily get the data from an unstructured TCP/IP packet. |
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| Application
Diagram |
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TCP/IP Scale Data to a Modbus TCP Client

TCP/IP Display Data from a Modbus TCP Client |
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| Features |
- Specifically designed for Barcode Readers, Weigh scales and other TCP/IP devices
- TCP/IP Client or Server Operation
- Accepts up to 6 TCP/IP connections in Server Mode
- In Server mode, any device can send data to the Modbus TCP Client
- In Server mode, all data from the Modbus TCP Client is sent to the TCP/IP device
- Simple, easy-to-use Configuration Using Any Browser
- Fully Compatible with Rockwell and Modicon Modbus TCP Modules
- Based on standard, off-the-shelf Technology
- ODVA Conformance Testing Pending
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| Benefits |
- An Optimized Solution for Transferring your TCP/IP data to a ControlLogix PLC
- Compatible with any TCP/IP device
- Transfer data to multiple TCP/IP devices from your Modbus TCP Client
- Receive data to multiple TCP/IP devices from your Modbus TCP Client
- Seamlessly Integrate your TCP/IP devices with Modicon and Rockwell Automation PLCs
- Proven and reliable hardware platform
- Transfer data with Little or No Latency
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| Sample Configuration Screen |
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Description
RTA, Inc. Messenger. Enter a description.
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RAW TCP Settings
IP Address = 192.100.100.100
Port = 44444 |
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Network
Settings
IP
address: 192.100.100.103 Subnet
mask: 255.255.255.0
Default gateway: 0.0.0.0
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MAC address:
00-03-F4-01-DA-BB
Revision: 1.01 |
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| (c) 2007 Real Time Automation, Inc. - Specialists In TCP Modbus TCP Gateway |
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