SMS-531 Quick Start v1.0 2013/01
7/8
30041 ~
30047
0x28 ~
0x2E
The date and time of receiving SMS
R
30048
0x2F
The format of the received SMS
0x0000=ASCII , 0x0001=Unicode
R
30049 ~
30128
0x30 ~
0x7F
The content of the received SMS
ASCII
：
By end char 0x00 , Unicode
：
By end char 0x0000
R
Holding Register(Output Register) (Function Code: 3, 6, 16)
Address Data Address
Description
Attribute
40200
0xC7
Module Address(Modbus Net ID)
，
1~247
R/W
40201
0xC8
COM2
(1)
High Byte
Code
0x04
0x05
0x06
0x07
Baud
2400
4800
9600
19200
Code
0x08
0x09
0x0A
Baud
38400
57600
115200
(2)
Low Byte
Bit 2:0 (Data Bit)
011
：
8 Data Bits
Bite 4:3(stop bit)
00
：
1 stop bit
01
：
2 stop bit
Bite 6:5(parity)
00
：
no parity
01
：
odd parity
10
：
even parity
R/W
40202
0xC9
COM3 setting. The data format is as COM2
R/W
40207
0xCE
Enabling or Disabling the debug message
0x0000=Disable , 0x0001=Enable
R/W
40208
0xCF
Enabling or Disabling the SMS with the check code
0x0000=Disable , 0x0001=Enable
R/W
40384 ~
40399
0x17F ~
0x18E
The variable content of the SMS (Unicode by the end char
0x0000)
R/W
40400 ~
40469
0x18F ~
0x1D4
The dynamic transmitting SMS content (Unicode by the end
char 0x0000)
R/W
40470 ~
40479
0x1D5 ~
0x1DE
The phone number for the dynamic transmitting SMS (ASCII
by the end char 0x00)
R/W
