Xylem SIT65 SATELLITE INTERNET TELEMETRY - Manual (Page 19)

Global Water Instrumentation
19
Appendix A: Specifications
Analog Inputs: Up to 8 inputs available
10-bit resolution
Type: 0-20mA, 0-1mA, 0-500uA, 0-5VDC, 0-10VDC
Sensor Power: 5Vsw, 12Vsw, 18Vsw or 12V Continuous
Digital Inputs: Up to 3 inputs available, counters or status
Contact closure or open collector to ground
Inputs have 20K pull-up resistor to 5VDC
Maximum accumulator count: 2047 (11-bit)
Control Outputs: Up to 2 outputs available
Open collector output to ground
100mA each output maximum
Inductive load protected
Radio Modem: Frequency: Transmit-150MHz, Receive-138MHz
Communication speed: 9600 Baud
Transmit power: 5 Watt
Antenna: 1 meter whip, 16 foot cable standard
Power Supply: 12VDC, 5Ahr Battery standard
Current draw: 80mA in receive mode @12VDC
5mA in power save mode
2A briefly when transmitting
Environment: -40° to +60° Celsius, -40° to 140° Fahrenheit
100% Humidity, Non-condensing