User manual

A511 User Manual, Rev. 1.1 - 13 - 08/2007
5. Technical Specifications
Power Supply
• A 9 volt block, alkaline or rechargeable battery
Maximum ratings
Inputs
• 7 pin Ports 1 and 2:
Input max. unit
Analog Inputs (Cablings 1 through 6) 3.3 V
Counter Inputs (Counter1 and Counter 2) 3.3 V
Digital Inputs (DIG1 and DIG2) 3.3 V
• 5-pin Port 3
Input max. unit
Solar Panel Input 15 V
Digital Input (SDI Data) 10 V
Outputs (SBAT)
The SBAT voltage depends on the current energy status of the battery. (get status via
the energy status and sensor supply current).
Recommended ratings
Input unit
Analog Inputs (Cablings 1 through 6) 0 - 2.5V V
Counter Inputs (Counter1 and Counter 2) 3.3 pull-up V
Digital Inputs (DIG1 and DIG2) 3.3 V
Solar Panel Input 12 V
SDI sensor specifications
Parameter min. max. unit
Sensor Supply Voltage (V
s
) 5,5 16 V
Sensor Supply Current (I
s
) 500 mA
Digital Input (SDI Data) 3.5 5.5 V
The SDI address changer supports sensor addresses between:
• “0” and “9”
• “A” and “Z”
• “a” and “z”
Special characters are not supported.
For details or further information see the SDI -12 standardization datasheet
(http://www.sdi-12.org).