6
2. Hardware
2.1 Specifications
System
CPU
32 bit CPU
SRAM
64 Kbytes
Flash Memory
512 Kbytes
RTC
Gives time(sec, min, hour) & data, leap year compensation
WDT(watchdog)
Yes
GSM/GPRS Module
Frequency Band
Quad-band: 850/900/1800/1900 MHz
Compliant with GSM Phase 2/2+
Class 4 (2 W @ 850/900 MHz)
Class 1 (1 W @ 1800/1900 MHz)
Coding Schemes
CS 1, CS 2, CS 3, CS 4
GPRS multi-slot
Class 10/8
Serial ports
Utility port
RS-232: TxD, RxD, GND (use for device configuration and debug)
COM1
RS-485: D+, D- (use for communication with other devices)
Baud Rate
2400
、
4800
、
9600
、
19200
、
38400
、
57600 and 115200 bps
Digital Input
Channels
6
Input Type
Sink or Source, Isolated channel with common power or ground
OFF Voltage Level
+1V max
ON Voltage Level
+3.5 ~ 30 V
DC
Isolated Voltage
3750 V
rms
Digital Output
Channels
2
Output Type
Open-Collector(NPN)(100mA@30V
DC
)
Load Voltage
+30 V max
Load Current
100 mA max
Isolated Voltage
3750 V
rms
Analog Input
Channels
1
ГК
Атлант
Инжиниринг
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