User Guide v.1.0 Siensor UNIC
3. Device Description
In most cases RS-232 and RS-485 interfaces are used to configure LLSs, on this account
Siensor UNIC
supports operation both via RS-232 and RS-485 interfaces. The device is fitted with the switch on the front
panel to select an operating mode (see 2 in Fig. 3.1).
Fig. 3.1
General view of Siensor UNIC – front panel
The numbers in figure 3.1
show:
1
– the USB interface for connection of the device to a PC
2
– the device mode switch (RS-232 or RS-485. The figure illustrates the device in the RS-485 operating
mode)
3
– the interface for connection of LLS
Fig. 3.2
Interface pins assignment to connect the LLS
The numbers in figure 3.2 show
:
1
– GND
4
– output voltage of +12
В
2
– RS-232 TX (Out)
5
– RS-232 RX (In)
6
– RS-485 A
3
– RS-485 B
6
