Section 1 ‒ Introduction
MLRemote User's Guide
7
1.2 Specifications
Communications
RF Module: 900MHz
Standard Range with the xBee SX 900: Up to 15km (9miles)
Extended Range with the xBee-PRO
®
900: Up to 100km (60 miles) with gain antenna
RF Module: 2.4GHz (optional)
Range with the 2.4Ghz XBee: Up to 3.2km (2miles)
Control Outputs
Switched Power
Digital Outputs (2)
5VDC logic levels
Maximum Current: 20mA
Precision Output: 2.5VDC
Accuracy <2.5mV
Maximum Current: 100mA
Physical
Module Dimensions (LxWxH): 12.5 x 12.5 x2.5 cm (5 x 5 x 1 in)
Enclosure Dimensions (LxWxH): 26 x 16 x 9 cm (10.2 x 6.3 x 3.6 in)
Mounting (LxW): 11.3 x 11.3 cm (4.5 x 4.5 in)
Assembled Weight: 3.63 kg (8 lb)
Temperature: -40 to +60 °C (-40 to +140 °F)
Humidity: 95%RH
Measurement Inputs
Vibrating Wire
Thermistor
Two Digital Counters (e.g. Rain Gage, Pulse Flow Meters)
-2.5VDC to +5VDC Sensors
4-20mA Sensors
Analog Measurement Inputs
Inputs: up to 5VDC
Minimum Resolution: 14-bit
Vibrating Wire Input
Supports differential excitation and signal conditioning front-end
Adjustable Gain Range: 20db to 65db
Nominal Input Impedance Ranges: 90 to 180Ω
Excitation Voltage: minimum 5V
Timing Resolution: minimum 1µS
Sampling Frequency: minimum 16384Hz
System Measurements
Battery Voltage Measurable Range: 3.5VDC to 26VDC
Accuracy: +/-0.1VDC
Internal Temperature Measurement Range: -40 to +85 °C (-40 to +185 °F)
Accuracy: 0.5 °C (32.9 °F)
Internal Humidity Measurement Range: 0-100%RH
Accuracy: 4.5%
Temperature Range: -40 to +100 °C (-40 to +212 °F)
Memory
FLASH Memory 8MB
Data Storage up to 250,000 Arrays (depending on program size)
