User's Manual

5 Connectors
Page 23 of 38
5.7 Connector X6 - Auxiliary
On connector X6 an electrically isolated opto-coupler digital output and a connector for an external buzzer
are provided. The opto-coupler digital output is controlled by software and can be used to control a parking
barrier for example. The external buzzer output provides an PWM signal in parallel to the internal buzzer and
can be used to connect a piezo speaker.
Pin
Label
Direction
Remark
1
5 V DC
O
2
External Buzzer
O
PWM Output / max. 24 V DC / 100 mA
3
Opto-Out-C
I
max. 24 V DC / 20 mA / Resistive Load
4
Opto-Out-E
O
Table 9: Pin Assignment Auxiliary Connector (X6)
Required Connector:
The fitting complement for this connector consists of a 4-pole plug type Molex Micro Fit and the appending
crimp contact.
Manufacturer Ordering Code:
Molex 43645-0400
Plug, 4-pole, grid dimension 3.0 mm, single row, Molex Micro Fit receptacle housing
Molex 43030-0001
Crimp contact, female, grid dimension 3.00 mm, AWG#20-24, Molex Micro Fit
NOTE:
The interface is designed for max. 3 m (9.8 ft) cable length.
Fig. 16: Connector X6 AUX