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2.
Hardware
2.1
Specifications
GT-540P-3GWA-OEM1
System
CPU
SRAM
Flash Memory
RTC
Watchdog
Micro SD Inerface
Serial ports
COM1
COM2
Digital Input
Channels
Input Type
Off Voltage Level
On Voltage Level
Isolated Voltage
Counters
Digital Output
Channels
Output Type
Load Voltage
Load Current
Isolated Voltage
Analog Input
Channels
Resolution
Input Range/Type
2G System
GPRS
GT-540P-3GWA-OEM1 user's manual, Version 1.0, 2013/03
32 bit CPU
64 KB
512 KB
Gives time(sec, min, hour) & date, leap year compensation
Yes
Max 2GB
RS-232 : TXD,RXD,GND for configuration
RS-485：D+,D- for Modbus RTU device connectivity
6
Sink or Source, Isolated channel with common power or
ground
+1V max.
+3.5 ~ 30 VDC
3750Vrms
6 (16 Bit, 5~40Hz), Min. Pulse Width : 25ms
2
Open-Collector (NPN) (100mA@30VDC)
+30 V max
100 mA max
3750Vrms
1
12 bit
0 ~ 20 mA
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
Compliant to GSM phase 2/2+
-Class 4(2W @ 900 MHz)
GT-540P-3GWA-OEM1 user's manual v1.0
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