The Allen Bradley 1785-KE module is a crucial communication interface. It enables the exchange of data between the old PLC-5 controller (using the DH+ network) and modern Ethernet devices (such as computers and touch screens). If you have any purchase requirements, as a professional supplier, Hanyite Automation Technology can provide you with an original and brand-new module, ensuring that your old control system can be reliably connected to the new network environment.
Its most distinctive feature is that it is "two-way compatible". It has an interface for connecting to the old equipment DH+ network, and another interface for connecting to the new equipment Ethernet. You can tell it on your computer which data from the PLC-5 (such as production line speed, product quantity) you want to transfer, and it will faithfully retrieve it and send it over the Ethernet, allowing the new equipment to read it.
The biggest advantage of using it is that it saves money and is convenient. You don't have to discard the entire well-functioning PLC-5 system just to set up an Ethernet connection. Just add a Allen Bradley 1785-KE, and the old equipment can immediately integrate into the new network, significantly extending its lifespan. Moreover, people in the office can directly view real-time data from the production line through their computers, making monitoring and management much more convenient.
It is specifically designed for the PLC-5 family and is a perfect match for them. On the DH+ side, it can seamlessly communicate with all devices that speak the "old dialect" (such as other PLC-5s and old touch screens). On the Ethernet side, it also recognizes most of the "current Mandarin" devices, whether it's Rockwell's own new system or third-party monitoring software, and can integrate them easily.
Q1. Does it support the PCCC protocol over Ethernet?
A: Yes, it does. PCCC (Programmable Controller Communication Commands) is a classic instruction set of Rockwell PLCs. Sending PCCC messages over Ethernet is a common way to access PLC-5 data. 1785-KE is the entry point for handling such requests.
Q2. Which communication interfaces can it connect to?
A: There are two ports on Allen Bradley 1785-KE. One is an RS-232 port, and the other is an RS-422/485 port. These two ports can work simultaneously without interfering with each other.
Q3. What software on the computer can it communicate with?
A: The most commonly used ones are RSLogix 5 or the older AI software, which are used for programming PLCs or online monitoring. Besides the programming software, it can also transfer data to upper-level software like Excel.
Q4. Is it difficult to install?
A: No, it's not. Because it is designed exactly the same as the I/O module. You just need to plug it into an empty slot in the PLC-5 rack. Once it's plugged in, just tighten the screws and it can be used. There's no need to find another place to install it.
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