Copyright 2011 Baker Hughes Company.
English–DPS 8000 Instruction Manual | 7
3.5 Power Requirements
The sensor should be connected to a stable power supply. The power supply requirements are
shown in Table
4.
3.6 Maintenance
3.6.1 Visual Inspection
Inspect the product for damage and corrosion. Any damage to the product must be assessed. If
the housing is no longer sealed against water and/or dust, the product must be replaced.
3.6.2 Error Register Status
To monitor the current status of the unit, use this source of error data:
•
The Error Register (object 0x1001). Refer to Appendix
A, “CANopen Object Dictionary,” on
If there is an error:
•
Do the Network Initialization Process (the boot-up process) again.
•
Examine the electrical connections. Do all the applicable tests and checks. Refer to the
System Installation Manual.
•
If necessary, install a new pressure transducer.
3.6.3 Cleaning
Clean the case with a damp lint-free cloth and mild detergent.
If the product has been in contact with hazardous or toxic materials, obey all the applicable
Control of Substances Hazardous to Health (COSHH) or Material Safety Data Sheet (MSDS)
references and precautions when handling.
3.6.4 Adjustment
Druck supplies a calibration certificate with the pressure transducer. When it is necessary to
recalibrate the pressure transducer, use the procedure that appears below (Druck recommends
a minimum interval of once a year).
Note:
Druck can provide a calibration service that is traceable to international standards.
3.6.4.1 Calibration – Equipment
Druck recommends the use of these items of equipment to calibrate the unit:
•
Pressure source - minimum accuracy: 0.01% of reading
•
Digital thermometer - minimum accuracy: 1 °C
Table
4: Power Supply Requirements
Product
Supply Voltage (V
dc)
Supply Current
DPS Versions
7.5 to 30
25
mA nominal
35
mA peak
WARNING
High pressures and temperatures are dangerous and can cause
injury (Refer to pressure limits in the sales data sheet). Be careful when working
on components connected to lines that have high pressures and heat. Use the
applicable protection and obey all safety precautions.
WARNING
Output Calibration, Full-Scale and Offset adjustment may be
subject to state requirements for verification of metrological equipment.
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