SMS-531 Quick Start v1.0 2013/01
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include “New”, ”Open”, ”Save”, ”Save as…”, and ...etc.
(2)
Language
：
The GT-531 Series Utility only support English interface now.
(3)
Exit
：
Exit the GT-531 Series Utility
(4)
COM Port
：
The COM number of the host PC connecting to the SMS-531
(5)
Connect
：
Connecting to the SMS-531
(6)
Download
：
Downloading the setting to the SMS-531
(7)
Upload
：
Uploading the parameters from the SMS-531 to GT-531 Series Utility
(8)
Learn
：
Providing the simple way for users to learn the Modbus RTU commands to operate SMS-531
(9)
System
：
Providing some system operations include ”Signal Quality”, ”Reboot SMS-531”, ”Recover
Default Settings”, ”Firmware Version”, ”Input PIN/PUK” and ”Voice File Management”
2.
Parameter Groups
：
There are four parameter groups in the GT-531 Series Utility including “System”, ”COM
Port”, ”Phone Book” and ”Alarm Message”.
3.
Parameters
：
Showing or setting the parameters
4.
Status Bar
Showing the operation procedure of the GT-531 Series Utility
From left to right, they are:
(1)
The used com port number
(2)
Communication configuration of the COM Port
(3)
The current status of the COM port
(4)
The Modbus address of the SMS-531
(5)
The result for operating the functions
SMS-531 Modbus address Table
The Modbus function codes supported in the SMS-531 are 1, 2, 3, 4, 5, 6 and 16. The Modbus
address distribution is as the following table.
Coil Status (Function Code:1, 5)
Address
Data
Address
Description
Attribute
00001 ~
00128
0x0 ~
0x7F
Transmitting the alarm SMS and voice according 0~127 alarm
R/W
00129
0x80
Transmitting the SMS dynamically
R/W
00200
0xC7
=1, clearing the received SMS buffer
R/W
00201
0xC8
=1, clearing the transmitting SMS buffer
R/W
00210
0xD1
=1, saving the data of the holding Registers (40001~40256) to
Flash
R/W
