905U Wireless I/O Module User Manual
105S Serial I/O Module
Page 68 © January 2011
16 volts. A quicker method is use the calculation:
Battery voltage (volts) = ½ I + 6, where I is the mA value determined from the above table using
VBATT. For example, a value of VBATT of A000 gives an I value of 16mA from the above table.
The battery voltage corresponding to this is 14V (or ½ x 16 + 6).
905U-2/105S-2 Modules
Digital Inputs
DIN SETPNT PULSED
1234MSL123456 PIN1 PIN2 PIN3 PIN4
0000100111111 0000 0000 0000 0000
Note ‘S’ indicates Solar Voltage is present. Indication will come on at approx 10.5V.
Note ‘M” only indicates if a DC supply is connected to SUP1/SUP2 &GND. Does not indicate Solar
Supply like the 105/905-1 module.
Analog Inputs
VBAT PR1 PR2 PR3 PR4 AI1 AI2 AI3 AI4 AI5 AI6
8138 4000 4000 4000 4000 0D3A 0CD2 0CC7 0CC7 0CD4 0CC7
905U-3/105S-3 Modules
ML VBAT VSLR
00 9FA2 0000
Note ‘M’ indication will also come on when a solar voltage above approx 10.5V is connected to the
Solar Terminal.
‘VSLR’ will indicate the solar voltage – Range is 8 to 20V
905U-4/105S-4 Modules
Digital Inputs
DIN DIO PULSED
1234 123456789ABC MLS PIN1 PIN2 PIN3 PIN4
1001 010101010 001 101 0001 0001 0001 0001
Analog Inputs
VBAT PR1 PR2 PR3 PR4
8DBE 0000 0000 0000 0000
Tones (905U modules only)
This provides the same function as described above in 6.2.2. Tone Reversals. This function may be
used to check VSWR of antennas, and may be used in conjunction with the Signal option (described
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