USER MANUAL – Z-GPRS2-SEAL / Z-LOGGER-SEAL
18
2.
CONNECTIONS
2.1.
Power supply connections
You can supply DC or AC power to terminals 2-3, in the case of DC power supply is not necessary to
distinguish between the "+" from the "-" cable:
2.2.
Analog input connections
The analog input 1 voltage / current is connected to terminal 4 (- sign for the voltage, the current exit) and
6 (+ sign to the voltage, the current incoming).
The analog input 2 voltage / current is connected to terminal 4 (- sign for the voltage, the current exit) and
5 (+ sign to the voltage, the current incoming).
2.3.
Auxiliary voltage connections
The device can provide from 12 to 15 VDC (max 40mA) to an external sensor connected to terminals 1 (+)
and 4 (-):
