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GT-540产品介绍智能GPRS远程终端单元 |
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System
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CPU
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32 bit CPU
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SRAM
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64 Kbytes
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Flash Memory
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512 Kbytes
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RTC
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Gives time(sec, min, hour) & date, leap year compensation from 1980 to 2079
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WDT(watchdog)
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Yes
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SD interface
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2GB max.
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Serial ports
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COM1
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RS-232 : TxD,RxD,GND for configuration
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COM2
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RS-485 : D2+, D2-
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Digital Input
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Input Channel
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6
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Input Type
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Sink or Source, Isolated channel with common power or ground
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Off Voltage Level
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+1V max.
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On Voltage Level
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+3.5 ~ 30 VDC
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Isolated Voltage
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3750Vrms
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Counters
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6 (16 Bit, 5~40Hz), Min. Pulse Width : 25ms
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Digital Output
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Channels
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2
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Output Type
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Open-Collector (NPN) (100mA@30VDC)
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Load Voltage
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+30 V max
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Load Current
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100 mA max
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Isolated Voltage
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3750Vrms
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Analog Input
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Channels
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1
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Resolution
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12 bit
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Input Range/Type
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0 ~ 20 mA
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GSM/GPRS system
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GPRS/GSM
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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
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Power
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Protection
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Reverse polarity protection
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Frame Ground Protection
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ESD, Surge, EFT, Hi-Pot
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Required Supply Voltage
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+10 VDC ~ +30 VDC with 600 mAh Li-ion battery backup
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Power Consumption
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Idle: 65 mA @ 24 VDC; Data Link: 170 mA @ 24 VDC; Peak: 450 mA @ 24 VDC
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Mechanical
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Casing
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Plastic
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Flammability
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UL 94V-0 materials
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Dimensions (W x L x H)
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91 mm x 132 mm x 52 mm
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Installation
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DIN-Rail
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Environmental
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Operating Temperature
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-25 ℃ ~ +75 ℃
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Storage Temperature
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-40 ℃ ~ +80 ℃
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Ambient Relative Humidity
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5 ~ 95% RH, non-condensi
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GT-540 CR
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Intelligent GPRS Remote Terminal Unit (RoHS, include: 2G micro SD card)
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