1 safety notes 1-4, 1 graduated safety notes 1-4, 2 definitions 1-4 – Weidmuller GPRS Alarm Unit User Manual
Page 3: 5 admitted personnel 1-5, 1 operator 1-6, 2 start-up engineer 1-6, 3 service engineer 1-6, 6 electrical connections 1-7, 7 safety regulations 1-7, 8 service and maintenance 1-8

Contents
1
1
Safety Notes
1.1
Graduated safety notes
1.2
Definitions
1.3
Hazards resulting from use other than as described
1.4
Hazards resulting from modifications and upgrades
1.5
Admitted personnel
1.5.1
Operator
1.5.2
Start-up engineer
1.5.3
Service engineer
1.6
Electrical connections
1.7
Safety regulations
1.8
Service and maintenance
1.9
Waste disposal
1.10
Liability
2
Use as Prescribed
2.1
Range of application
3
Description of Functions
3.1
General Description of Functions
3.2
Functions of the interfaces
3.2.1
Digital inputs
3.2.2
Analog inputs
3.2.3
Digital outputs
3.2.4
Serial interface
3.2.5
Operating modes of the serial interface
3.2.6
GSM modem
3.2.7
SIM card
3.2.8
GSM services
3.3
Settings of the operating system
3.3.1
(Firmware) update for the operating system
3.3.2
Resetting to the factory defaults
3.4
Communication between PC and IE-GPRS-IO
3.4.1
Diagnosis using a terminal program