Output type : DC 4 wires NPN (Normally Open or Normally Closed Can be converted.When the white wire is not connected,the items is Normally Open.When the white wire connected to the blue wire,the items is Normally Closed .
Output type : DC 4 wires PNP (Normally Open or Normally Closed Can be converted.When the white wire is not connected,the items is Normally Open.When the white wire connected to the blue wire,the items is Normally Closed .
