ICP DAS USA SMS-531 Quick Start Manual page 6

Discrete Input (Function Code: 2)
Data
Address
Address
10001 0x0
10002 0x1
10003 0x2
Input Register (Function Code: 4)
Data
Address
Address
30001 ~ 0x0 ~
30016 0xF
30017 0x10
30018 0x11
30019 0x12
30031 ~ 0x1E ~
30040 0x27
The status of transmitting SMS buffer
0：No
1：Overflow
The indication of the received SMS
0：No received SMS
1：Having received SMS
The status of SD card
0：No SD card or Error
1：Normal
The status of transmitting SMS buffer 0~15
(1) High Byte: Buffer status
0-> Idle
1-> Waiting for transmitting
2-> Transmitting
3-> Transmitting OK
4-> Transmitting fault
(2) Low Byte : Error code
The last transmitting SMS buffer number
The status of transmitting dynamic SMS
(1) High Byte: Status
0-> Idle
1-> System busy or waiting for transmitting
2-> Transmitting
3-> Transmitting OK
4-> Transmitting fault
(2) Low Byte: Error code
The 3G signal strength
0~31s or 99(Error)
The SMS transmitter's phone number. ASCII code by end
char 0x00.
Description
Description
SMS-531 Quick Start v1.0 2013/01
Attribute
Attribute
R
R
R
R
R
R
R
R
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