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2.
Hardware
2.1
Specifications
GT-540P-3GWA-OEM2
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
Relay
Channels
Type
Operating Voltage
Range
Max. Load Current
Electrical Life
( Resistive load )
Mechanical Life
Analog Input
Channels
Resolution
Input Range/Type
2G System
GPRS
GT-540P-3GWA-OEM2 user's manual, Version 1.0, 2013/10
32 bit CPU
64 KB
512 KB
Gives time(sec, min, hour) & date, leap year compensation
Yes
Max 4GB
RS-232 : TXD,RXD,GND for configuration
RS-485：D+,D- for Modbus RTU device connectivity
4
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
3
Form A (SPST N.O.)
250 VAC/30 VDC
5.0A/channel at 25°C
5 A @ 250 VAC 50,000 ops
3 A @ 250 VAC 100,000 ops
20,000,000 ops. at no load
1
12 bit
0 ~ 20 mA
Quad-band 850/900/1800/1900 MHz
GPRS multi-slot : class 10/8
GT-540P-3GWA-OEM2 user's manual v1.0
10/53
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