User Manual_S7-1200 compressor controller
10
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The system date and time (the clock backed up by the super capacitor; check the
controller indications when it is not supplied for several days)
•
The present settings of the compressor switching on and off pressure,
The graphic field consists of:
•
The equipment symbols, whose meaning is presented in Table 7
•
The multicolour lines and arrows connecting the equipment from individual circuits
(of air, oil, drive systems)and indicating the flow direction
•
The bar graph of output air pressure
•
The fields with present values of the compressor parameters
Table 5 State of the status LED.
LED colour
Description of the compressor status
White
The compressor is not running and there are no events.
Green
The compressor is running and there are no events.
White and
orange
The compressor is not running and there are warning events.
Green and
orange
The compressor is running and there are warning events.
Red
The compressor is not running and there are errors (with warnings
possible at the same time).
Table 6 Status texts.
Text
Explanation
Stop
The compressor is stopped
Automatic stop
The compressor is in the ready status (it will start when the present
pressure is lower than the switching on pressure)
Delayed start
The compressor will be started when the set time passes
Start
The compressor is started
Compression
The compressor is running and compressing
Idle running
The compressor is running, but it is not compressing
Delayed stop
The compressor will be stopped when the set time passes
Failure
Active event causing the compressor stop
Active sensor Vs
The compressor is in unloading status.A pressure drop at the suction
side is awaited.
Dryer start
The compressor is waiting for the dryer readiness. It will start
automatically after the set time.
Maximum
number of starts
The maximum number of the compressor starts per hour has been
reached.The compressor will be started automatically when the number
of starts per hour is lower than the permissible one.
Auto restart
Auto restart initiated.