BEKA BA374C, Руководство пользователя

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1. Description
2. Operation
2.1 Controls
3. Intrinsic Safety Certification
3.1 ATEX certificate
3.2 Other intrinsic safety certifications
3.3 Zones, Gas Groups and T rating
3.4 Certification information label
3.5 Input terminals 1, 2, 3 & 4
3.6 4/20mA output - Terminals 5 & 6
4. Electrical System Design for
Installations in Hazardous Areas
4.1 Using Zener barriers
4.2 Using galvanic isolators
5. Installation
5.1 Location
5.2 Installation procedure
5.3 EMC
6. Programming and calibration
6.1 Summary of programme menu
functions.
6.2 Description of programme menu
functions.
6.2.1 Transmitter input
6.3 For thermocouple inputs
6.3.1 Types of thermocouple
6.3.2 Display units
6.3.3 Display resolution
6.3.4 Cold junction compensation
6.3.5 Input open circuit drive
6.4 For resistance thermometer inputs
6.4.1 Type of resistance thermometer
6.4.2 Display units
6.4.3 Display resolution
6.5 For voltage inputs
6.5.1 Position of display decimal point
6.5.2 Low input & display calibration
6.5.3 High input & display calibration
6.6 4/20mA output current calibration
6.7 Security code
6.8 Calibrating the internal references
6.8.1 Conditioning internal references
6.8.2 Voltage input reference
6.8.3 3-wire RTD reference
6.8.4 4-wire RTD reference
6.8.5 Output current reference
7. Trim menu
7.1 Calibration procedure using trim menu
7.2 Periodic re-calibration using trim menu
8. Calibration example
9. Maintenance
9.1 Fault finding during commissioning
9.2 Fault finding after commissioning
9.3 Servicing
9.4 Routine maintenance
9.5 Guarantee
9.6 Customer comments
Accessories
10. Identification and mounting
10.1 Engraved scale and tag plates
10.2 Pipe mounting kits
10.3 Panel mounting kits
11. Alarms
11.1.1 Solid state output
11.1.2 Intrinsic safety
11.1.3 Programming and adjustment
11.2 Summary of programmable functions
11.3 Description of programmable functions
11.3.1 Alarm enable
11.3.2 Setpoint adjustment
11.3.3 Alarm function
11.3.4 Alarm output status
11.3.5 Hysteresis
11.3.6 Alarm delay
11.3.7 Alarm silence time
11.3.8 Access setpoint
11.4 Adjusting alarm setpoints from display
mode
12. Backlight
CONTENTS
The BA374C is CE marked to show compliance with the European Explosives Atmospheres
Directive 94/9/EC and the European EMC Directive 98/336/EEC