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Is Anti-Pumping Function provided in Compact NSX 100/160/250/400/630.

The Compact NSX Motor Mechanism Module ON and OFF external inputs can be activated either as a pulse input (at least 1 second) or as a permanent latched supply. 

We advise the pulse option as the NSX MT module doesn't have anti-pumping system and if you activate the ON and the OFF inputs at the same time, the MT module will enter in an endless cycle that will damage the MT module. 

The client must arrange the installation in order to avoid to send an ON and OFF order at the same time. 

For your information, the Masterpact MCH motor mechanism fits an anti-pumping system giving priority to the Open order when you send the Open and Close orders at the same time. But it isn't the case for the NSX MT motor mechanism. 
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