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http://www2.sea.siemens.com | Set 9 | 2008-02-01
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LOGO!: acquisition, evaluation, scaling and clear text display of messages (triggered by monitoring relay); intelligent control of the actuators, operator interface
SIRIUS 3UG4 monitoring relay: power monitoring, detection of incorrect phase sequence, phase failure monitoring, diagnostic
SIRIUS 3RT10 contactor: switching motor, changing direction of rotation (reversing contactor combination)
SIRIUS 3RV circuit-breaker: overload protection for motor
Shaft-angle encoder: detect actual position
Automation task:
For good comprehensibility, the features of the Micro Automation Set are explained on the basis of an automation task.
A garage container with a roller shutter gate control is required in a container city. The control and the motor are to be connected to the three-phase mains. When other tasks must be fulfilled which require that the garage container is replaced and, consequently, the three-phase mains connection has to be reestablished as well, there is a risk of reversing the phase sequence. An additional requirement is that the system cannot be started during a power failure. Control of the shutter gate control and the display of operating and error messages is to be done centrally via one module. The system must ensure that the garage container cannot be opened outside the working hours.
Automation solution:
The automation solution uses a LOGO! for controlling the motor and for displaying operating and error messages. Logic module with display and integrated date and time function. As AC version the LOGO! logic module can be connected directly to the three-phase mains. A SIRIUS monitoring relay monitors voltage and phase sequence of the motor which is connected to the SIRIUS contactor. A SIRIUS circuit breaker protects the motor. Maloperations or malfunctions in the power supply are reacted to directly at the LOGO! logic module. The calendar function in the LOGO! logic module permits locking of the roller shutter gate outside the working hours.
The software example on the configuration has the following functionality:
The Micro Automation Set 9 contains a startup code which shows the above functions together with a LOGO! logic module and the SIRIUS components. The startup code consists of a LOGO!Soft Comfort project which simulates the roller shutter gate control in the LOGO! logic module.
Startup Code
For the startup we offer you software examples with test code and test parameters as download. The software examples support you during the first steps and tests with your Micro Application Sets. They enable quick testing of hardware and software interfaces between the products described in the Micro Application Sets.
MAS9 LOGO Startup Code
MAS9 Technical Manual
Applications
Pump control
Compressor control
Crane systems
Hoisting equipment
Transport equipment
Fan control
Rolling shutter gate control
Exhaust systems
Vacuum compressors
Briquetting equipment
Shredders