GT-540P

Features

• Automatic/continuous GPRS Link Management
• Support Modbus RTU protocol to connect to Max 3 Modbus RTU devices via RS-485 port
• Support M2M OPC server for SCADA system
• Easy-to-use API tool for users to develop their applications by various program development tools
• Be the GPRS I/O devices
• Support data transferring by E-mail
• Support GPS function
• Local I/O linkage function to make the simple local control
• Support 3.7 V Li-ion Battery backup
• Power supply 10 ~ 30 Vdc

Specifications

• System


• CPU: 32 bit, 72 MHz
• SRAM: 64 Kbytes
• Flash Memory: 512 Kbytes
• RTC: Gives time (sec, min, hour) & date, leap year compensation from 1980 to 2079
• WDT(watchdog): Yes
• SD interface: 2GB max.


• Serial ports


• COM1: RS-232 – TxD,RxD,GND for configuration
• COM2: RS-485 – D2+, D2-


• Digital Input


• Input Channel: 6
• Input Type: Sink or Source, Isolated channel with common power or ground
• Off Voltage Level: +1 V max.
• On Voltage Level: +3.5 ~ 24 Vdc
• Isolated Voltage: 3750 Vrms
• Counters: 6 (16 Bit, 5 ~ 40Hz), Min. Pulse Width: 5 ms


• Digital Output


• Channels: 2
• Output Type: Open-Collector (NPN)
• Load Voltage: +24 V max
• Load Current: 500 mA max
• Isolated Voltage: 3750 Vrms


• Analog Input


• Channels: 1
• Resolution: 12 V bit
• Input Range/Type: 0 ~ 20 mA


• GSM/GPRS system


• Quad-band 850/900/1800/1900 MHz
• GPRS multi-slot: class 10/8
• GPRS mobile station: class B
• GPRS class 10: Max download speed 85.6 kbps
• CSD max speed: 14.4 kbps
• Compliant to GSM phase 2/2+:
  Class 4 (2W @ 900 MHz)
  Class 1 (1W @ 1800/1900 MHz)
• Coding schemes: CS 1, CS 2,CS 3,CS 4
• SMS: Text and PDU mode


• GPS Interface


• Support Channels: 32
• Sensitivity:
  Tracking = up to -159 dBm (with external LNA)
  Cold start = up to -146 dBm (with external LNA)
• Acquisition Time:
  Hot start (Open Sky) = 2 s (typical)
  Cold start (Open Sky) = 36 s (typical)
• Protocol Support: GPRSC format (NMEA 0183 version 3.01)


• Power


• Protection: Reverse polarity protection
• Frame Ground Protection: ESD, Surge, EFT, Hi-Pot
• Required Supply Voltage: +10 ~ +30 Vdc with 600 mAh Li-ion battery backup


• Mechanical


• Casing: Plastic
• Flammability: UL 94V-0 materials
• Dimensions (W x L x H): 91 mm x 132 mm x 52 mm
• Installation: DIN-Rail


• Environmental


• Operating Temperature: -25℃ ~ +55 ℃
• Storage Temperature: -40℃ ~ +80 ℃
• Ambient Relative Humidity: 5 ~ 95% RH, non-condensing

Ordering Information

• GT-540P CR – Intelligent GPRS Remote Terminal Unit with GPS (RoHS, include: 2G micro SD card)

Accessories

• ANT-421-01 – 3 m external GPRS/GSM antenna


• ANT-115-03 – GPS Active External Antenna


• BT600 – 3.7 V 600 mAh Battery


• BT1200 – 3.7 V 1200 mAh Battery