UPGRADES! Opportunity – Progress – Safety

For several years now, it has become clear that digital communication, e.g. via ISDN, is increasingly being overtaken by new technologies such as IP. The circuit-based communication protocols (cable between the terminal device and the central exchange unit) are thus replaced by packet-based protocols. The advantage of this new type of communication lies in the variety of […]

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All Call
All Call

Today´s topic in my series of INDUSTRONIC functions is the “All Call” which allows to establish a call to all employees in your facility. One Subscriber Speaks – the Others Listen An all call provides communication in one direction (unidirectional) where one subscriber speaks and all others listen simultaneously (Point-to-Multipoint connection). Subscribers and targets can […]

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Group Call
The picture shows the communication procedure of a group call.

In my last two blog articles I described different ways of bidirectional communication. This time I would like to give you an insight into a unidirectional communication method where a call is established to a pre-defined group of members – the group call. One Subscriber Speaks – the Others Listen For a group call, one […]

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SCADA Controls Warnings and Alarms via Modbus TCP Interface

Modbus is a protocol for field bus systems using the Master/Slave principle. Modbus Slave and Modbus Master communicate with each other, whereas information is exclusively exchanged via (Modbus) registers. A Modbus Master reads the Registers of the Modbus Slave at regular intervals (polling) to be able to act on status changes.

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