Modbus

200-500 Exam Overview
A hardware-based alarm notification, acknowledgement and status solution for integrating to SCADA and/or PLC-based systems. Up to 200 or 500 different conditions can be monitored, including analog values like: level, flow rates, pressure, temperature, RPM, voltage, Hz, etc. as well as digital on/off conditions like: high and low level alarms, motor failures, intrusion, generator failure or start, etc.p>

Additionally, the Elite 200-500 provides automatic calculation of motor run times, total starts and totalized flow. The Modbus RTU Master or Slave communication allows the Elite to operate immediately with virtually any SCADA or PLC system.

Superior reliability than software-based alarm systems
Dedicated hardware-based alarm systems provide much higher reliability than using a software-based alarm system.

* When was the last time you had to reboot your PC or server? Typical operation for the Elite is – turn it on and NEVER REBOOT it.
* Of course if you lose AC power and the backup battery runs out, then you will have to turn it on again – but how often does that happen, especially when the backup battery runs for over 48 hours?
Elite can query the SCADA or PLC system

The Elite 200-500 can read values directly from the SCADA or PLC system, compare current values you user-defined limits and call-out to lists of phone numbers based on the priority of the condition. The Elite 200/500 even alarms when the SCADA or PLC system does not respond. In these installations, the Elite 200/500 operates as a Modbus Master.

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Watch the video related to modbus

User can construct a complete control system from top to bottom via Quicker combining with NAPOPC and SCADA software. Quicker provides three ways: Modbus TCP, Modbus RTU, and RPC Server, to communicate with NAPOPC. In this video, we demonstrate how to link NAPOPC on PC with Quicker by Modbus TCP.

Help answer the question about modbus

What is the best Modbus to IP protocol converter?
for reliability, configurability and price

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Tags: automation, control, ICP DAS, logic, PLC, programming, WinPAC

This entry was posted on Thursday, January 24th, 2008 at 12:34 pm and is filed under Computer. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.