Installing the switch
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46
Item
Description
1
Modbus over USB: used to connect a device running POWERMASTER or custom user
application. Firmware update is also possible.
2
DC Output: connected to the load. The output voltage is adjustable between 52 to 56
VDC.
3
DC-OK dry contact: normally open relay contact is available; the relay closes when the
output voltage is >90% of the programmed output voltage value.
4
DC Input: input voltage supply, range is from 12 to 48 VDC.
5
Display: 2-digits LED display used to program the device and read its status.
6
Control keys: 3 push buttons are provided to navigate through menus and to select
various functions.
Input connection
Output connection
n
+ = Positive DC
n
- = Negative DC
n
Earth ground symbol
n
+ = Positive DC
n
- = Negative DC
Mini USB Type-B
