LSI LASTEM Alpha-Log - Instrument Description

Alpha-Log – User manual
LSI LASTEM SRL
INSTUM_03388
Page 11 / 116
1.2 Instrument description
Fig. 1 – Instrument description.
Fig. 2 – Terminal block.
(1) - On/Off switch
(2) - I
2
C input
(3) - USB ports
(4) - Ethernet port
(5) - Com1 serial port (modem)
(6) - Com2 serial port (ALIEM)
(7) - 20x4 characters LCD display
(8) - Keyboard
(9) - Operating status LEDs
(10) - Terminal block
INPUTS
- Pulse/Freq1, Pulse/Freq2: for
impulsive and frequency signals
- Pt100: platinum resistance
thermometer
- SDI-12: SDI-12 serial line (Com5)
- LCD On: display activation external
contact
- Analog In: 1÷2000 mV voltage
- TTL Serial: DQA601.3 thunderstorm
distance or DMA672.1
Temperature/RH% sensor (Com4)
- RS-485: RS-485 serial line (Com3)
SWITCHED POWER OUTPUTS
- Pwr Out1 (only available if TTL Serial is
free), Pwr Out2, Pwr Out3
POWER SUPPLY
- Batt/Pwr In: power supply 6÷30 Vdc
- PV In: photovoltaic module input