ICP DAS USA SMS-531 User manual

SMS-531
Intelligent 3G Modbus SMS/Voice
Alarm Controller
User’s Manual V1.1
High Quality, Industrial DataAcquisition, and Control Products

SMS-531 User’s Manual v1.1
Warranty
All products manufactured by ICP DAS are warranted against defective
materials for a period of one year from the date of delivery to the original
purchaser.
Warning
ICP DAS assumes no liability for damages consequent to the use of this
product. ICP DAS reserves the right to change this manual at any time
without notice. The information furnished by ICP DAS is believed to be
accurate and reliable. However, no responsibility is assumed by ICP DAS
for its use, or for any infringements of patents or other rights of third
parties resulting from its use.
Copyright
Copyright 2013 by ICP DAS CO., LTD. All rights reserved worldwide.
Trademark
The names used for identification only may be registered trademarks of
their respective companies.
Version
Date
Author
Description
1.0
2013/01/24
William
Release version
1.1
2013/12/30
William
(1) Add function code 15
(2) Modify Example 5: Receiving the
SMS

SMS-531 User’s Manual v1.1
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Table of Contents
1. Introduction.............................................................................................1
1.1 Features............................................................................................................... 2
1.2 Applications........................................................................................................ 2
2. Hardware .................................................................................................4
2.1 Specifications ..................................................................................................... 4
2.2 Appearance and Pin Assignments....................................................................... 5
2.3 Dimensions......................................................................................................... 6
2.4 LED Indicators ................................................................................................... 7
2.5 Installing the SMS-531....................................................................................... 8
3. Installing the GT-531 Series Utility .......................................................9
3.1 Installing .NET Compact Framework ................................................................ 9
3.2 Installing GT-531 Series Utility.........................................................................11
4. The GT-531 Series Utility Operation Description..............................14
4.1 Main Menu ....................................................................................................... 15
4.2 File Menu.......................................................................................................... 17
4.3 Connecting to the SMS-531 ............................................................................. 17
4.4 Parameters ........................................................................................................ 18
4.4.1 System ................................................................................................... 18
4.4.2 COM Port .............................................................................................. 20
4.4.3 Phone Book ........................................................................................... 20
4.4.4 Alarm Message...................................................................................... 22
4.5 Downloading/Uploading the SMS-531’s Parameters....................................... 23
4.6 Learning Modbus RTU Commands and Testing .............................................. 24
4.7 System .............................................................................................................. 26
4.7.1 Signal Quality........................................................................................ 26
4.7.2 Inquiring Firmware Version................................................................... 27
4.7.3 Inputting the PIN/PUK Code................................................................. 28
4.7.4 Voice File Management......................................................................... 29
4.7.5 Reset the SMS-531................................................................................ 30
4.7.6 Recover to the Factory Settings............................................................. 30
4.8 Language .......................................................................................................... 31
4.9 Exit ................................................................................................................... 31
5. Example..................................................................................................32
5.1 Example 1: Sending the general alarm SMS (Level Trigger) .......................... 33
5.2 Example 2: Sending the variable alarm SMS................................................... 37
5.3 Example 3: Sending the alarm SMS dynamically............................................ 41
5.4 Example 4: Sending the alarm voice................................................................ 45

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5.5 Example 5: Receiving the SMS........................................................................ 48
5.6 Example 6: Sending the general alarm SMS (Edge Trigger) ........................... 53
6. SMS-531 Modbus Address Table.........................................................57
7. Troubleshooting.....................................................................................60

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1. Introduction
SMS-531 is an intelligent 3G Modbus/SMS gateway for industry M2M
applications. It is convenient for users to apply to M2M applications with the host like
PC, PLC, HMI and PAC via Modbus RTU communication. It supports UNICODE
format for users to send SMS messages to the specific mobile phones by Modbus RTU
protocol with various language. That can make the current system to M2M applications.
Moreover, the SMS-531 also supports the sound alarm application with the pre-defined
voice files. It can be used to inform operator the urgent event immediately. For
managing more SMS-5xx series remotely, ICP DAS provides SMS DBS software for
users to apply in the system.
Therefore, the SMS-531 can be a powerful tool allowing you to use your mobile
phone to monitor and control your business from any location.

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1.1 Features
Support GSM 850/900/1800/1900 MHz Quad-band frequency
Support WCDMA850/900/1900/2100 MHz Quad-band frequency
Support Modbus RTU slave protocol
Support max. 256 short messages and voice alarms
Support max. 70 Unicode Characters
Easy to setup and configure
Escalation and reminder function
Up to 256 mobile phones can be alerted for each alarm point
These phone numbers can be divided into groups
Configurable SMS messages
The content of sending SMS message can be changed by Modbus protocol
Built-in Watchdog Function
Industrial Design with Surge Protection
Support SMS DB of ICP DAS software
1 RS-485, 2 RS-232 port
Support micro SD/SDHC card. (max. 32G bytes)
Support DC +10 VDC ~ +30 VDC Power Input
DIN Rail design
1.2 Applications
Remote equipment maintenance and automation
Vending or Gaming monitor system
Home/Factory security
Escalators & Elevators
Energy Management
Temperature Monitoring

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Application 1：SignalAlarm and SMS Communication
Application 2：Home Security
Application 3：Remote Maintenance

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2. Hardware
2.1 Specifications
System
CPU
32 bit CPU
SRAM
64K Bytes
Flash Memory
512K Bytes
WDT(watchdog)
Yes
Serial Ports
COM1
RS-232 : TXD,RXD,GND：Configuration and Debug
COM2
RS-232 : TXD,RXD,GND：Communicating with the Host
COM3
RS-485 : D+,D-：Communicating with the Host
3G Interface
Frequency
WCDMA Quad-Band 850/900/1900/2100 MHz
GSM Interface
Frequency
Quad-Band 850/900/1800/1900 MHz
Coding schemes
CS 1, CS 2, CS 3, CS 4
SMS Format
sending : UCS2 receiving : UCS2/7bits
Power
Protection
Reverse polarity protection
Frame Ground
Protection
ESD, Surge, EFT, Hi-Pot
Required Supply Voltage
+10 VDC ~ +30 VDC
Mechanical
Casing
Plastic
Dimensions(W x L x H)
91 mm x 132 mm x 52 mm
Installation
DIN-Rail
Environment
Operating Temperature
-25 °C ~ +75 °C
Storage Temperature
-40 °C ~ +80 °C
Humidity
5 ~ 95% RH, non-condensing

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2.2 Appearance and Pin Assignments
Pin assignments of SMS-531
Power Input
Terminal No.
Pin
Assignment
N/A
01
N/A
02
N/A
03
N/A
GND
04
GND
Initial
05
Init
Power Input:
10 ~ 30 VDC
06
DC.+VS
07
DC.GND
Frame Ground
08
F.G
COM Port
Terminal No.
Pin
Assignment
COM3
RS-485
01
D-
02
D+
COM2
RS-232
03
TxD2
04
RxD2
05
GND
N/A
06
N/A
COM1
RS-232
07
TxD1
08
RxD1

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2.3 Dimensions

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2.4 LED Indicators
There are three LED indicators to help users to judge the various conditions in the
SMS-531. The description is as follows:
A. EXT (Red): The External Power LED is to indicate whether the power is
supplied or not.
The power is active
The power is not active
On
Off
B. 3G (Green): The modem LED can indicate the status of 3G module. (After
modem registered)
(1) Use 3G SIM card.
3G module normal
3G module fail
Blanking*2 (2 sec)
Off or Blanking (not 2 sec)
(2) Use 2G SIM card.
3G module normal
3G module fail
Blanking*1 (2 sec)
Off or Blanking (not 2 sec)
Note: When the SMS-531 sends voice alarm, the 3G LED is continuous on.
C. STA (Orange): The System LED is to indicate if the SMS-531 is normal or
fail.
Normal(idle)
Running
3G error
Wrong PIN/PUK code
Blanking (1 sec)
Blanking (0.5 sec)
Always on or off
Blinking per 50 ms

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2.5 Installing the SMS-531
If users want to start SMS-531 normally, it needs to follow these steps to install the
SMS-531 below:
A. Install the antenna
B. Plug in the normal SIM card (Before apply the SIM card, confirm it is OK by
mobile phone.)
C. Install SD Card(Option, for voice alarm files)
D. Pin06 and Pin07 of the power input connect to the DC.+VS and DC.GND of
the power supply.
E. It is needed to wait for 30 ~ 50 seconds to search the 3G base and register to
the ISP. After finishing the process, SMS-531 would be in normal operation
mode and the STA LED would blank per 1 sec. The start time of SMS-531
depends on the strength of 3G signal.

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3. Installing the GT-531 Series Utility
It needs the runtime environment with .NET Framework 2.0 or above to execute
the GT-531 Series Utility in the PC. If there has .NET Framework 2.0 or above in the
PC, the section 3.1 can be omitted.
3.1 Installing .NET Compact Framework
The user can download the .NET Compact Framework 2.0 or above from
Microsoft web site. The install figure is as follows:
(1) Press “Next” to the next step.
(2) Select the “I accept the terms of the License Agreement” and “Install” to the
next step.

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(3) The installation process would be going.
(4) After finishing the installation, press “Finish” to exit the program.

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3.2 Installing GT-531 Series Utility
A. Plug in the shipment CD into the PC
B. Execute \software\pc_utility\Install_GT531_Series_Utility_Vxxx.exe
The installation figure is as follows:
(1) Press “Next” to start the installation procedure.
(2) Select the installation path. The default path is ”C:\Progrm Files\GT-531
Series Utility”. Press “Next” to the next step.

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(3) Input the name shown in “All Programs”. Press “Next” to the next step.
(4) After finishing the installation procedure, press “OK” to the next step.

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(5) Press “Finish” to finish the installation procedure.
(6) Launch GT-531 Series Utility from the start menu: “Start →All Programs
→GT-531 Series Utility →GT-531 Series Utility”.

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4. The GT-531 Series Utility Operation Description
Before GT-531 Series Utility is connected to the SMS-531, please confirm these
following steps:
1. The STA LED is blanking. There are 2 kinds of blanking in the SMS-531.
STA LED
Description
Blanking per 1 sec
Normal mode
Blanking per 50 ms
The PIN/PUK code is wrong. As this condition
happened, users need to set PIN/PUK code in the
GT-531 Series Utility.
2. Confirm the RS232 wire connection between the SMS-531 and PC is correct.
Users can refer to the following figure.

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4.1 Main Menu
The main menu of GT-531 Series Utility includes the following sections:
A. Tool Menu
These tools include all the function operation of the GT-531 Series Utility. The
description is as follows.
1. Project:
The parameters of the SMS-531 can be saved as the project file. The operation
functions 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 Port number of the host PC connecting to the SMS-531.
5. Connect:
Connecting to the SMS-531.
6. Download:
Downloading the settings to the SMS-531.
7. Upload:
Uploading the settings from the SMS-531 to GT-531 Series Utility.

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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”.
B. Parameter groups
There are four parameter groups in the GT-531 Series Utility including
“System”, ”COM Port”, ”Phone Book” and ”Alarm Message”.
C. Parameters
Showing or setting the parameters.
D. Status Bar
This bar can show 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