24 • TPR-6 Communication
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11. TPR-6 COMMUNICATION
The TPR-6 is equipped with a powerful data communication system, operating beyond a motor protection
controller into the realm of a complete motor management system.
This communication system is unmatched in its reliability, flexibility and ease of use providing the ideal basis
for the design of a modern motor management system.
The TPR-6 incorporates RS485 serial link and uses a MODBUS RTU protocol (The protocol is not included in
this document) to provides high speed data acquisition to supervisory computers.
Data formats have been carefully structured to provide fast notification of alarms and continuous updates of
performance parameters. Load control can be performed from host computers or by PLCs.
The following information and control can be accessed through the communication.
* All Actual data parameters
* All TPR-6 Settings (Read & Write)
* Reset
The TPR-6 system is user expandable. No special engineering skills or tools are required.
For small systems, the Host computer can communicate directly with the TPR-6 via a twisted shielded pair.
For larger systems a Data Highway enables multiple TPR-6 connection. Up to 32 TPR’s can be added on
each twisted pair of the Host serial link with full access to all TPR's.
The system also performs high speed data acquisition Users therefore have a simple and friendly means of
building a fully integrated monitoring and control systems.
System reliability is exceptionally high, meeting the highest standards of protected communication in the
industry. Included in each message is a 16 bit CRC.
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