Installation and Operating Instructions for
EAS
®
-Sm/Zr Switch Gear
Type 010.000.2
(B.0100002.GB)
Page 2 of 6
10/03/2005 CB/KR/TH
Chr. Mayr GmbH + Co. KG Telephone 08341/804-241
Eichenstraße 1
Fax 08341/804-422
D-87665 Mauerstetten
http://www.mayr.de
Germany
eMail: [email protected]
Antriebstechnik
Functional description
Function
Functional sequence
1
Switch-on of the input voltage
•
LED mains lights green
•
Signalling relay 1 overload is energised, contacts 11 – 12 closed
2
Start
Closing of the ON - contact
After engagement of the clutch
•
LED clutch lights green
•
LED overexcitation lights yellow
•
Clutch is energised with 2x I
NOM
(max. 5 seconds)
•
LED overexcitation is extinguished
•
Clutch is energised with an adjusted torque
•
Signalling relay 1 overload is energised, contacts 11 – 12 closed
•
Signalling relay 2 overtemperature is de-energised, contacts 21 – 24 closed
3
Stop
Opening of the OFF - contact
•
LED clutch is extinguished
•
Clutch is de-energised and disengages
•
Signalling relay 1 overload remains energised, contacts 11 – 12 closed
4
Overload
Clutch disengages
•
Limit switch is actuated
•
LED overload lights red
•
Signalling relay 1 overload is de-energised, contacts 11 – 14 closed
5
Reset overload
a.) by start or
b.) by stop and start
•
Remove the overload in advance
•
LED overload is extinguished
•
Signalling relay 1 overload is energised, contacts 11 – 12 closed
6
Overtemperature >80 °C in the
EAS
®
-Sm/Zr control unit
•
Coil voltage is switched-off
•
Clutch disengages
•
LED overtemperature control unit lights red
•
Signalling relay 2 overtemperature is energised, contacts 21 – 22 closed
7
Overtemperature >130 °C in
the coil
Monitoring only with coils with fitted
PTC resistor
•
Signal with >130 °C
•
Switching off with >135 °C
•
Clutch disengages
•
LED overtemperature lights red
•
Signalling relay 2 overtemperature is energised, contacts 21 – 22 closed
8
Reset overtemperature
a.) by start or
b.) by stop and start
•
Let temperature cool down under the switch-off temperature
•
LED overtemperature coil (or)
•
LED overtemperature control unit extinguishes
•
Signalling relay 2 overtemperature is de-energised, contacts 21 – 24 closed
9
Short circuit at the coil connection
(fault)
•
LED fault lights red
Functional sequence
Signalling relay 1
- overload -
Overexcitation
2 x I NOM
Adjusted
torque
Mains
OFF
Mains
ON
Clutch
ON
Clutch
engaged
Clutch
OFF
Overload
LED clutch
LED overexcitation
LED overload
Limit switch
LED mains
