3. Installation MMX2 series – User's Manual 17
OCS Connector
The switcher is supplied with a 3.81mm 3-pole 90° Reversed Gender Plug Phoenix
®
connector, which is used
for connecting an occupancy sensor.
level, some send low level to this input when the room is occupied. Active-high or active-low logic can be
.
Pin nr. Level and direction
1
2
3 Ground
OCS connector pin assignments
Input voltage
[V]
Logic low level 0 - 0.8
Logic high level
external 1kR pull-down resistor between input and ground pins when used with active-high type sensors.
), supplying a 1 kOhm
external resistor between the 1st and the 3rd pins is necessary – see the example in the OCS Sensor section.
Compatible Plug Type
WARNING! The occupancy sensor connector and the GPIO port are not compatible with each other due
signal levels, and can be set to high or low level (Push-Pull). The direction of the pins can be input or output
Input
voltage [V]
Output
voltage [V]
Max. output
current [mA]
Logical low level 0 - 0.8 30
Logical high level 18
The maximum total current for the six GPIO pins is 180 mA.
Pin nr.
Level and
direction
1
2
3
6
Ground
GPIO connector and plug pin assignments
INFO:
2
wires.
Compatible plug type
Phoenix
®
WARNING! The occupancy sensor connector and the GPIO port are not compatible with each other due
DC Input Connector
2-pole Phoenix connector and plug pin assignments
Pin nr. Signal
1 -
2 +
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