Connecting devices across a site can be a costly prospect. It can also significantly impact how the equipment on a site can be monitored. Although this has been the method of choice for most organisations for many years, it’s costly. It also has many disadvantages that are hard to overlook, like its lack of mobility, risk of damage and scalability.
It’s always important to consider the benefits and possible drawbacks when considering new technology for your business. Given the issues with wired connections, a point to point system is becoming the go-to choice for organisations looking to eliminate the need for hardwiring to save time and money.
Delta Integrated System’s range of wireless monitoring can be connected to almost any system or device and can send information wirelessly between devices, using a range of inputs and outputs. This allows far fewer limitations when it comes to distance, giving your IT team huge flexibility in collecting information and allowing various machines to communicate with one another. In addition, it is an easy to install and a low cost alternative for basic machine to machine (M2M) communications.
Delta Integrated System’s integrated wireless monitoring devices key features:
- 1000m Line of Sight Communications
- All communication devices are FCC Approved
- 4Ghz transmission negates concerns regarding transmission compliance
- 3 digital (dry contact) inputs
- 1 4-20mA input 1 local (relay driver) output
How this has worked
The client required a set alarm point on a temperature transducer sent via their wireless monitoring system to the site Distributed Control System (DCS) where it would be enunciated and the plant operators would have the choice of either taking manual or setting the DCS to take automatic action. An output was to be transmitted back to the field to shut down a steam valve. The plant is a working process area owned by a mining corporation that was reluctant to shut the plant down to carry out any modifications due to the possibility of a loss of income.
The solution was to monitor output from a 4- 20 mA temperature transducer using an MI node with a set point alarm based on a chosen value from the transducer. The MI node would transmit this alarm to a receiver node connected to the plant Distributed Control System (DCS) where the plant operators would choose to take manual or set the DCS to take automatic action. The output from the DCS was connected to the input of the receiver node and transmitted the valve shut down signal to the node in the field.
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