1. 4I /2O/1AD/RS232 Ports 2. Power rising/falling detecting 3. 4 Opt coupler inputs can be used as counter function

GSM SMS Logger Modem Key Specifications/Special Features:

Various applications:

Wireless SMS transferEnergy industry monitoringTraffic system monitoringEquipment diagnosticsPoint-of-Sale/transaction processingIntelligent house monitoringMechanical rooms monitoringVehicle tracking monitoringAgricultural feeding monitoringParking monitoringTelecom monitorsMeter readingDial back-up for broadband connectionsResidential lighting controlsMessages/alertsPersonnel managementArm systems for instant text message notification that an alarm has occurredRmote management system

Technical Specification

> GSM Work Frequency: 900 /1800 /1900MHz

> GSM Antenna:

Cable type: Gain:3dBi cable-length:3-5meters connector :SMA

Portable antenna: Gain:2dBi height: 5cm connector: SMA

> Mainframe Power supply: 7.5~25V DC

> Backup-battery: 3.7V 950MAh LI-ION

> Temperature: Working Temp -20°c ~ +60°c

> Humidity: 20—95%

> Mainframe Dimension: 110x85x23mm

> Standard packing list: GSM RTU X 1 Serial cable for communication X 1 (RS232)

Electrical Characteristics @25°c

Power Voltage: Min:7.5V Max:25V Typ:12VPower Current: Max:500mA Typ :50mAInput Drive Voltage: Min:2.5V Max:48V

 

IN1-4+/- Optocoupler (Iso) Input Drive Curent:Min:0.5mA Max:45mA (continuous) IN1-4+/- : Reverse Patient Voltage: 100V Output Current Drive ability note: >100mA

Optocoupler (Iso) :Output Patient Voltage note: 60V

Range of ADC Voltage: Max: 50V Typ:0-5VDC Digit: 8BITADC Precision : +/- 2%ADC Input Impedance :50Kohm OC Drive Current: >500mA (continuous)

GSM RTU SYSTEM,GSM RTU control system(RTU-01)