Siensor UNIC - 3 Device Description; Fig. 3.1 General View of Siensor UNIC - Front Panel; Fig. 3.2 Interface Pins Assignment to Connect the LLS

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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 +12В

2 – RS-232 TX (Out)

5 – RS-232 RX (In)

6 – RS-485 A

3 – RS-485 B