Can parameters be modified remotely using current PLC technology?
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Based on the equipment’s operating conditions, it is possible to modify parameters remotely.
By remote, I don’t mean within the factory where the device is manufactured; rather, I’m referring to the device’s manufacturer’s location. Is it possible to obtain the operating parameters in real time and to modify those parameters?
This is not PLC technology; rather, it is computer communication technology and remote monitoring technology. Protocols and network support are required, but it can be implemented.
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Generally, factories do not allow equipment manufacturers to remotely change the control parameters of electrical equipment in use, in order to prevent management issues that could lead to production instability or damage to the electrical equipment.
Sure. There are many remote communication devices available on the market; they use wireless or wired networks to create a virtual private network for the PLC’s IP address, enabling remote connection to the CPU
It’s possible; it’s best if you provide authorization
Internet of Things technology has become very easy to implement. The 485 interface on the PLC is connected to an IoT card throughout the night; this IoT card contains an IoT SIM card, which allows for low data usage costs. Data can be read and written as long as the PLC’s backend is accessible. The IoT protocols vary among different manufacturers, so the remote host software must be specific to that manufacturer. Now, some manufacturers of complete sets of equipment do this to facilitate monitoring and debugging.