Delta-t devices Gp1 gsm User manual

User Manual for the

GP1/DL6 GSM

Modem System

GSM-UM-1.1

Delta

T Devices

Notices

All parts of the GSM System design and documentation are the exclusive copyright of

Delta-T Devices Ltd.

CE Conformity

Meets the intent of the EMC Directive 89/336/EEC.

See GSM-BX1 & GP1-DL6 Network Regulatory Information. PDF

in the Product Documentation folder of the Delta-T Software and Manuals CD.

Design Changes

Delta-T Devices Ltd reserves the right to change the designs and specifications of its

products at any time without prior notice.

User Manual Version: GSM-UM-1.1 Dec 4 2006

Delta-T Devices Ltd Tel: +44 1638 742922

130 Low Road, Burwell Fax: +44 1638 743155

Cambridge CB25 0EJ email: [email protected]

UK web: www.delta-t.co.uk

Contents

Layout........................................................................................ 4

External connectors and cable glands.......................................................................5

Introduction............................................................................... 6

Antenna..................................................................................................................... 6

Logger cabling........................................................................................................... 6

Software....................................................................................................................6

Unpacking ................................................................................. 7

Basic GSM Modem Box ............................................................................................ 7

GSM Modem Box (solar power) type GSM-BX1/SP.................................................. 7

GSM Modem Box (internal battery) type GSM-BX1/IB.............................................7

GSM Modem Box (without battery) type GSM-BX1/EB............................................ 7

Accessories...............................................................................................................8

Also required for all systems .....................................................................................9

Getting started........................................................................ 10

Set up at your bench first!........................................................................................ 10

Fit a SIM card..........................................................................................................10

Install the antenna................................................................................................... 11

Supply power to the modem....................................................................................12

Use of the Timer...................................................................................................... 12

Configure, Test or Add Text Message to modem.................................................... 13

Create a modem connection in DeltaLINK .............................................................. 16

Install Modem Box................................................................................................... 17

Install Solar Panel (option) ...................................................................................... 18

Install logger(s)........................................................................................................ 19

Battery life Considerations.......................................................................................20

Wiring Diagrams..................................................................... 21

Wiring scheme for GSM-BX1/SP… Solar Power..................................................... 21

Wiring scheme for Solar Power and Timer..............................................................21

Wiring scheme for GSM-BX1EB… External Battery................................................ 22

Wiring scheme for GSM-BX1/ IB…Internal Battery ................................................. 22

Other Documents.................................................................... 23

Specifications ......................................................................... 24

Environmental specifications................................................................................... 26

Electromagnetic Compatibility (EMC)...................................................................... 26

Care and Safety....................................................................... 27

Technical Support .................................................................. 27

Terms and Conditions of sale..................................................................................27

Service and Spares.................................................................................................28

Technical Support.................................................................................................... 28

Layout

Extension

cable from GP1

to modem

GP1 mounting

bracket

Solar panel

bracket

Modem

Antenna

connector

Modem

power cable

RS232 to

logger +

control line for

text

messaging

Battery

Brown +’ve

Cable

harness

Fuse and

connectors

on DIN rail

Timer

Solar regulator

/charger

External connectors and cable glands

Cable glands for

1) external antenna,

2) external battery or

solar panel

and/or

3) control line from

logger for triggering

text messages

Breather

M8 socket

for connecting to

logger(s) via

GP1 Network Cablin

Introduction

The GSM Modem System provides battery powered GSM modem communications for

GP1 and DL6 loggers. Three power options are available:

Solar powered internal rechargeable lead-acid battery (GSM-BX1/SP)

Internal lead-acid battery with timer (GSM-BX1/IB)

Timer and cabling for an external lead-acid battery (GSM-BX1/EB).

The weatherproof box has an external connector for plugging in GP1 or DL6 loggers

via the GP1 network cabling system. At least one network cable is required.

Cable glands are provided for:

cable to external battery (GSM-BX1/EB)

optional signal cable for triggering transmission of SMS text messages

optional external antenna cable.

Inside are mounting points for the modem, battery, and solar regulator option.

A DIN rail with terminal connectors and a fuse holder is provided. It also takes the

optional timer.

Antenna

If mobile phone reception is good the modem can be fitted with a stub antenna.

If reception is poor then the external antenna option will provide better reception.

Logger cabling

A GP1 network extension cable is required to connect a logger to the modem box.

A single GP1 logger may be connected via a type GP1-EXT extension cable.

Each DL6 logger requires at least a type GP1/DL6-M8 cable.

Up to ten GP1 or DL6 loggers may be connected with suitable cabling.

These cables also distribute power from the Modem System battery to GP1 loggers.

See also the Accessories on page 8.

To obtain the latest DeltaLINK version

Link to http://delta-t.co.uk/software-download.html.

To Upgrade DeltaLINK-PC firmware

To upgrade your firmware, from the PC Start menu select Programs, DeltaLINK-PC,

Firmware Upgrade, and follow the on-screen instructions.

Getting started

The Modem Box is shipped preassembled, apart from the battery, the antenna, and

any external cabling.

Set up at your bench first!

Use of the optional GSMConfig modem configuration software will require you to

temporarily connect the PC directly to GSM Box with a serial cable.

So, if possible, set up and test the system next at your desk PC before installing it in

the field.

Fit a SIM card

You must locally obtain and fit a data-enabled SIM card.

1. Obtain a

data-enabled

SIM card with a phone

number.

2. Remove the modem from the GSM box by undoing

two M3 x 35mm screws

3. Find the SIM card slot and press the adjacent button to

eject the card holder.

4. Fit the data enabled SIM card

5. Refit the modem in the box.

Locate SIM card

eject button

Install the antenna

Which antenna? Use internal antenna GSM-ANT-2 where mobile phones work OK. If

reception is poor try using external antenna GSN-ANT-1 mounted high up and clear of

obstructions.

Internal antenna

Screw the right angle stub antenna into the FME connector

as shown, with the antenna vertical.

External antenna

Undo and extract the rubber O ring from the

cable gland, Push it over the cable, and

reassemble as shown.

Screw the FME connector into the modem.

For optimum reception mount the antenna

vertically and high up.

155mm

31 mm

45 mm

29 mm

275 mm

Supply power to the modem

The modem will need power before you can configure, test or use it.

Unpack and fit the internal battery or your own external battery.

For wiring schematics - see Wiring Diagrams on page 21

Use of the Timer

If using the Timer, temporarily set it ON, to provide

continuous power when setting up or testing the Siemens

GSM modem.

To turn the power on, toggle the Manual button on the

Timer until the red LED lights.

About the Timer

Battery power is wired via the Timer to provide intermittent

power to the modem.

Chose when and for how long you would like to

communicate with loggers,

e.g. once per day for one hour from 14:00.

See also Battery Life Considerations on page 20

For wiring instructions see the diagram on the side of the Timer.

For programming instructions see the separate DIN rail Timer Instruction Manual.

Notes:

The timer may also be used with the solar panel – possibly of value in regions where

sunlight is insufficient for your needs.

Text messaging cannot occur when modem power is off.

The timer is itself powered from the GSM modem battery but also has its own battery

back-up.

The power distribution at the DIN rail is also configured to provide continuous external

power for GP1 loggers. You may disable this if you like.

See: How to disconnect the external power supply to GP1 loggers on page 19

Configure, Test or Add Text Message to modem

This section describes how to use the GSM modem configuration software

GSMConfig to:

Configure the modem

Test your modem connection

Add a text message for sending to a mobile phone

Note: If your modems is supplied by Delta-T it will be preconfigured and ready to use.

If you have no need for the text messaging option then you may skip this section and

go to “Create a modem connection in DeltaLINK” on page 16.

To configure the modem:

You will need a PC with RS232 serial port or USB RS232 adapter.

1. Disconnect the modem from serial cable in the GSM System box and connect it

directly to your PC serial port using PC-modem serial cable GSM-RS-DB9.

2. From the PC Start menu select Programs, DeltaLINK-PC, GSMConfig

util .

ity

GSM Modem will be used with to DL6/GP1. ort that you are using.

3. Set

4. Set GSM modem is connected to the PC serial p

5. Click Configure modem now. en instructions.

Click Help for additional on-scre

To test your modem connection:

Complete stage 1-4 on page 13 then

5. Connect your PC modem to a telephone line, enter connection details as shown:

6. Click Test GSM modem connection now

Watch as the program runs through its test sequence and reports its progress.

Click Help for additional on-screen instructions.

To set up text messaging:

The Modem System uses the logger’s relay channel to trigger transmission of a text

message to the mobile number (This section assumes you have programmed the

message and number into the modem using GSMConfig as described above.)

A Enable text messaging

Complete stage 1-4 on page 13 then

5. Click Enable SMS text message transmission, and enter text messaging

settings.

6. Click Configure GSM modem now.

Click Help for additional on-screen instructions.

B Test the text message configuration

1. Reconnect the GSM modem to the Modem System cable,

and ensure it’s powered up.

2. Briefly connect together the two DIN rail terminals (green and yellow wires)

e.g. with a piece of bent wire. This simulates a contact closure in the logger relay.

Within a minute or two you should receive a text message at your mobile number.

C Program the logger’s relay

Refer to the GP1 or DL6 Quick Start Guide and DeltaLINK online Help for information

about programming the logger.

In a Standard GP1 or DL6 program, enable the Alarm relay or Advanced control

relay option, and enter details in the Alarm or Control tab, and click on Apply to send

the program to the logger.

D Connect the logger’s relay

Connect the logger relay channel to the text message control lines (green and yellow)

in the modem box via 2 black DIN rail terminals as shown, using a 2-core signal cable.

Modem

Text message control

Battery

Logger relay

2-wire control line from logger - signals modem to send text message

lid box

Extension cable (RS232 + power)

E Test the program and relay connection:

Before starting logging:

1. Connect the logger to your PC, start DeltaLINK and select the Sensors window

2. Connect up and place sensors in conditions which should cause a text message

transmission.

You should hear the relay click and receive a text message shortly after.

Notes on Text Messaging behaviour

•The modem will not send text messages if it is not powered!

e.g. if using the Timer and the Timer is off.

•GP1 and DL6 logger’s have one relay only, so if you use the relay to trigger text

messaging you will not be able to use it for other control purposes – unless you

wish to receive a text message each time the relay switches.

•When logging, the logger only checks the condition that controls the relay when a

logging interval arrives.

Normally, this system sends a single text message each time the condition

becomes true. To send the same message repeatedly for as long as the condition

remains true, select the Advanced control relay option and select the Enable

pulsing option in the Control tab.

•You can’t send different messages for different alarm conditions.

Create a modem connection in DeltaLINK

Create a connection in DeltaLINK for each logger connected to the Modem System.

1. Connect a logger to the Modem System using a suitable extension cable.

See also page 19

2. Start

DeltaLINK and click Cancel when it tries to connect to a logger.

3. Select

File, New, Connection.

4. In the

Connection dialog, click New…

5. In the

Connection Properties dialog, enter a descriptive name for your

connection, e.g. “GP1 logger on 07890 123456” and select Telephone modem in

the Connect to logger using list.

6. If you are intending to network more than one logger to the Modem System,

enable Networked, and enter the logger’s type and serial number.

7. In the

Details tab, select the name of your PC modem, enter the telephone

number of your Modem System, and click OK.

8. DeltaLINK will now dial and connect to your logger.

You can later select the connection that you have just created to connect to the same

logger again.

Install Modem Box

All modem boxes are supplied with 4 bolts and brackets to attach the box to a plate or

wall. For attaching to a post use the Mounting Kit type GSM-MK1.

The box may be bolted directly to a vertical surface via

156mm

four M5 threaded brass inserts on the back of the box,

(156mm apart horizontally and 253mm apart vertically).

Four stainless steel wall mounting brackets are also

provided (as standard) to simplify mounting against a solid

wall.

If using the solar charger note it must be mounted

vertically.

If using the internal antenna, careful placement of the box may assist signal reception.

Mounting Kit for GSM Modem Box type GSM-MK1.

Use this, with the U-bolts provided, for attaching to a post

or mast.

Install Solar Panel

(option)

Warnings

Observe the warnings given in the

solar panel guide and the Solsum

solar charge controller.

Cover the panel before wiring it up

to prevent electric shocks from bare

wires.

Observe the polarity requirement

of both the solar panel and the

Solsum regulator.

Note the Solsum regulator provides

diode and fuse protection for the

panel but is not protected from the

wrong polarity. Showing a GP1 logger (at top), solar panel

and GSM Modem Box, each fixed to a

post using U-bolts and mounting brackets.

Mount the Solsum solar charge

controller vertically.

This usually means ensure the

Modem Box is vertical.

Considerations when mounting solar

panels

Equator

Observe the warnings above, of course.

Tilt it to the angle of latitude, or in high latitudes up to 10

degrees more, to capture more light early in the day.

You may wish to place the panel to shield your GSM Modem

Box and or logger from the sun.

Do not site an air temperature or RH sensor directly above the

panel, rising hot air may distort ambient readings.

Assembly

Mounting bracket, bolts, cabling and U bolts are provided

Assemble the two halves of the solar panel bracket with

the bolts provided.

See also: SX20-40 Single Module Mounting Kit

Attach that to a mast (not provided)

Add the solar panel,

See also: Solar panel Instruction Sheet and a separate

Appendix and Wiring diagram and Warnings on back of Solar Panel.

Cover it to exclude light.

Attach the power cable from the Solsum solar charger/regulator to the screw

terminals on the back of the solar panel, as indicated in the wiring diagram on the

back of the solar panel. (Brown=positive, blue=negative)

See also: Solar Charge Controllers Instructions for the Solsum 6.6c

Install logger(s)

For a GP1 you will need a cable of type GP1-EXT-xx to connect to the Modem Box.

For a DL6 you will need a cable of type GP1/DL6-M8.

Connecting multiple loggers to the GSM Modem Box

The GSM modem can connect to up to 10 GP1 or

DL6 loggers via the GP1 network cable using the

4-way expansion block GP1-EB/4 (right).

Factors to consider:

the maxiumum permitted length of extension

cable,

the effect of multiple GP1 loggers and logging

frequency on the GSM Modem Box battery life.

Network Cabling Options

Example of a network cabling scheme with GSM Modem Box.

GSM-BX1/xx

GSM Modem Box

GP1-EXT-xx

1, 5,10 or 25 m extension cable

5-pin M8 male, 5-core cable to M8 female

GP1-EB/4

4 way junction box.

5-pin M8 male, 2m 5-core

cable, four M8 female sockets

loggers

See also: Using multiple loggers on a Network.

Location: From the Start menu select Programs, DeltaLINK-PC, Document Library.

Maximum permitted length for extension cables

The key factor is the total cumulative cable length for all loggers added together,

which can be up to 60m with the Siemens TC35i modem. So you could have one

logger at 60m, or two each on 30m, or ten on 6m each, and so on.

Effect of GP1 loggers on the GSM Modem Box battery life

GP1 loggers will take some power from the GSM Box battery even when not logging.

Their impact on battery life is shown under Battery Life Considerations on page 20.

How to disconnect the external power supply to GP1 loggers

The supply of external power to GP1 loggers via the external cabling network from the

GSM Modem Box battery can be disconnected at the DIN rail.

Disconnect the cable labelled External Power. It has “black” and “white” wires and is

clearly indicated in the Wiring schemes on pages 21 to 22.

Battery life Considerations

modem acitivity/day410 min 20 min 10 min 20 min

Loggers5 logging

frequency

0n/a21 19 97 57

11/hr21 18 89 55

11/min20 17 71 47

10 1/hr 18 16 53 39

10 1/min 12 11 21 19

Data on demand22/24hr access slot3

Days Without Sun1

This table may help you judge how frequently to log readings and download data.

These are approximate figures; performance will depend on local factors.

Notes

1: Number of days the 10Ahr battery in the GSM Modem Box may last before it

needs recharging. 2

It assumes 0.7 sun-hours (kilowatt-hrs/m /day) typical for mid Scotland

See also http://www.solar4power.com/map11-global-solar-power.html for maps of

solar insolation.

Each logger is assumed connected to 2 ML2 sensors each taking 20 mA when read.

2: Modem and GP1 external cabling network continuously powered i.e. not using a

timer.

3: Assumes timer is configured so that the modem is powered for 2 hours in every 24.

External GP1 cabling network is powered continuously.

4: One day's worth of GP1 data (logged every 1sec) should download via GSM (i.e.

at 9600 baud) in under 7 minutes. A full GP1 may take 26 minutes.

5: Number of GP1 loggers connected to the GSM Modem Box which are taking

external power from the GSM Modem battery.

GP1 loggers take their power from the highest available voltage source. An external

12V battery will always be higher than their internal battery.

DL6 loggers cannot take external power and so have no impact.

External power to the GP1 loggers via the extension cabling may be disabled at the

DIN rail in the Modem Box, leaving the loggers to rely on their internal batteries

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