AKIM GPRS-22 Manual de usuario

AKIM ELEKTRONİK LTD.

AKIM GPRS/GSM-MODEM

GPRS-22

User Manuel

Rev. 1.2

26.03.2019

This document contains the operating instructions for the AKIM GPRS-22 modem.

CONTENTS

INTRO....................................................................................................................................1

1. TECHNICAL SPECIFICATIONS .....................................................................................3

2. USING INSTRUCTIONS.................................................................................................4

2.1. MODEM SETUP ......................................................................................................5

2.2. MODUL INFO...........................................................................................................7

3. MODEM START UP .......................................................................................................9

3.1 INFORMATIONS ABOUT LCD MESSAGES..........................................................10

3.1. SMS.......................................................................................................................11

3.2. MESSAGE TYPES SENDED BY MODEM.............................................................11

iii

FIGURES TABLE

Fig-1: GPRS/GSM Modem Overview..................................................................................... 1

Fig-2: Menu........................................................................................................................... 4

Fig-3: TKeypad...................................................................................................................... 5

Fig-4: PC1 IP Number ........................................................................................................... 5

Fig-5: Tel No Screen ............................................................................................................. 5

Fig-6: PC1 PORT No Screen................................................................................................. 5

Fig-7: ‘GSM PORT No Screen............................................................................................... 6

Fig-8: ‘GSM STATION Screen............................................................................................... 6

Fig-9: ‘SEND PERIOD’ Screen.............................................................................................. 6

Fig-10: Control Bits................................................................................................................ 6

Fig-11: ‘APN NAME’ .............................................................................................................. 7

Fig-12: ‘USER NAME’ ........................................................................................................... 7

Fig-13: ‘PASSWORD’ ........................................................................................................... 7

Fig-14: Serial Number ........................................................................................................... 7

Fig-15: Model No................................................................................................................... 8

Fig-16: Manufacturer Name................................................................................................... 8

Fig-17: Version Number Screen ............................................................................................ 8

Fig-18: Imei Number Screen.................................................................................................. 8

Fig-19: Initial Screen of LCD Display..................................................................................... 9

Fig-20: ’OKEY’ Message ....................................................................................................... 9

Fig-21: ’EROR-2’ Message.................................................................................................... 9

Fig-22: ’OKEY-2’ Message.................................................................................................... 9

Fig-23: ‘! SERVER !’ Message..............................................................................................10

Fig-24: Message Received by Modem .................................................................................11

Fig-25: PC-ToConnect Screen..............................................................................................11

Intro

Akim GPRS modem is produced in 3 different models. Designed for Akim PLV, Akim

Liminigraf and other Akim Data logger devices. GPRS modems have features such as SMS

sending, receiving, TCP / IP connection (Server / Client) and Data call. These features can

work selectively. When a data call and TCP / IP call are made, the modem automatically

makes the transparent connection with the logger devices. It does not interfere with the

exchange of information between the device and the server / client computer. Akim GPRS

modem is designed to respond to any customer requests. Akim GPRS modem can be used

in other logger devices thanks to its functional and transparent connection capability. General

view of the device is shown in Figure-1.

Figure-1: GPRS/GSM Modem Overview

The GPRS modem provides a transparent connection to the server computer when it

is running as a client. The modem remains connected to the computer as long as the

computer is disconnected. Access to all information on the Logger device is provided. The

GPRS modem automatically disconnects if the data exchange is not carried out within 5

minutes during which the GPRS modem remains connected.

Thanks to the modem's SMS receiving and sending, instantaneous values from

Logger devices can send SMS to defined phone numbers.

When alarm status information is received from Logger devices, SMS can be sent to

three phone numbers registered on the GPRS modem (see Figure-5 on page 6).

Modem Status LED

Network data

sending status LED

Rs-232 Conn.

Mounting Screw

Antenna

3x16 Char. LCD

Display

Keypad

8…24 V DC

Power Conn.

On/Off Button

The GPRS modem has a reset feature via SMS. The SMS message receiving and

sending feature is optional, details on this can be viewed on page 6.

The GPRS modem has the ability to connect with TCP / IP and to respond to data

calls. Apart from the fact that these two features can be used at the same time, only the

ability to answer data calls can be used alone. If there is no internet connection in the GPRS

modem, the device can answer data calls and connect to Logger devices via GSM modem.

The GPRS modem checks a network every minute. In the network control, the

antenna power, internet quality and network connection controls can be done automatically.

During this check, if the modem is out of server mode, it tries to remain active by trying to

enter the server mode again. If the Modem is disconnected from the Network or the Internet,

the modem automatically restarts itself. The modem performs this check 3 times. If all three

controls have no internet connection or network connection, the modem switches off and on

automatically every six hours. This cycle continues until the internet and network connection

is reached. The modem has the ability to turn itself off and on every 24 hours.

TECHNICAL SPECIFICATIONS

Power Supply: 8 … 28Volt DC Peak 1,5A

Standbye: 25mA

Power off: 62uA

Idle (registered, power saving): 1.5mA @ DRX=9

Dedicated mode: <240 mA @ max power level

GPRS class 10: <420 mA @ max power level

RS232 Port : 1 Conn.

SMS Receiving and Sending

Quad Band EGSM - 850/900/1800/1900MHz

Output Power

Class 4 (W) @ 850/900MHz

Class 1 (1W) @ 1800/1900MHz

Control via AT commands according to 3GPP TS 27.005, 27.007 and Telit Custom

AT commands

Serial port multiplexer 3GPP TS 27.010

SIM access profile

TCP/IP stack access via AT commands

Sensitivity

107 dBm (tpy.) @ 850/900MHz

106 dBm (typ.) @ 1800/1900MHz

Power consumption (typical values)

Extended temperature range

-4o to +80°C (operational)

-40 to +85°C (storage temperature)

Point-to-point mobile originated and mobile terminated SMS

Concatenated SMS supported

SMS cell broadcast

SMS Text mode

SMS over GPRS

Circuit Switched Data Transmission

GPRS Class 10

Mobile station class B

Coding scheme 1 to 4

Network LED support

Embedded TCP/IP stack, including TCP, IP, UDP, SMTP, ICMP and FTP protocols

USING INSTRUCTIONS

The energy required by the GPRS / GSM modem device is 8…28 volts DC. In order to be

connected to the grid, a high gain antenna or a yagi antenna is required. When the modem is

connected to the appropriate data loggers via the RS232 cable, the device is ready for

operation.

There are 3 section on the Menu(Fig-2)

1-MODEM SETP: Necessary information to install the modem and connect to the internet are

entered and displayed in this section. It is the section where the APN name, user name and

password and setup flags and phone numbers are processed and seen.

2-MODEM INFO: Gives information about the module. It contains information such as serial

number of module, imei number, version number.

3-MODEM RST: Used to turn the module off and on. When this menu is entered, it turns on the

modem if the module is turned off, if the modem is off, it turns the module off and on again,

and starts re-installing the modem.

Detailed information about these menus is described in detail with figures below.

Fig-2: Menu

If the enter button is pressed while the modem is on, the menu in figure 2 opens.

2.1.

Modem Setup

When the enter button is pressed from the main menu, the display in Figure-4 is displayed.

When the down key is pressed, you can navigate through the menu, change the changeable

parameters, and only observe the parameters which are not changeable. You can change

the value at the cursor position. An overview of the keypad is shown in Figure-3.

UP Button: Used to change values. Pressing this key step by step increases the values.

Down Button: Used to change values. İt is work specific menus(letter changing etc.)

Enter Button: It is used to save the desired parameter value, to move to the other menu and

skip the line. When you change the parameter value, it comes to the last column of the value

and pressing the Enter key for a long time saves the parameter value than move on next sub

menu. After moving on the next menu it means the values you have changed are saved.

Back Button: It is used to navigate menus. When you push the button you can move on the

next menu or sub menu.

Down Button

Up Button

Enter Button

Fig-3: Keypad

Back Button

Fig-4: PC1 IP Number

Fig -5: Tel Number Screen

Fig -6: ‘PC1 PORT NO’ Screen

The IP address of the server computer that will be

connected to PC1 IP and PC2 IP is entered in IPv4

format. It is used to send the alarm information and

instant information from the logger to the desired

time interval. The IP is entered between

000,000,000,000 …255,255,255,255.

Three different phone number can be entered in Tel1

No, Tel2 No and Tel3 No sections. Instant values are

periodically sent to these numbers. Also The alarm

information from the Logger device is sent to the

persons whose phone numbers are written here.

Enter the TC / IP Port number to be connected to two

server computers, ir PC1 PORT NO IP and ıla PC2

PORT NO ‘. Enter a value between 0 and 65535.

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