HYDAC HDA 5500-0-2-DC-006 (CM1k) User Manual
Page 3
HDA 5500 for HLB 1000 and CS 1000
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1 Introduction
The individual components and the final assembly of the Digital Display Unit HDA 5500 are
subject to strict quality controls. Each HDA 5500 is individually calibrated and subjected to a
final test. In this way we can guarantee that the unit is fault-free on despatch and conforms to
the given specifications. However, if there is a cause for complaint, please return the unit to
us outlining the fault.
The HDA 5500 digital display unit is maintenance-free and operates perfectly when used
according to the specifications. If faults do nonetheless arise, please contact HYDAC
Service. Incorrect installation or interference by anybody other than HYDAC personnel will
invalidate all warranty claims.
1.1 European standards compatibility
The HDA 5500 digital display unit carries the
- mark and therefore corresponds to the
approval requirements currently applicable in Germany and to the European standards for
operating these units. The applicable directives on electromagnetic compatibility and the
safety regulations according to the low voltage directive are therefore guaranteed.
This product complies with the regulations of the following European Directive:
EN 61000–6–1 / 2 / 3 / 4
We reserve the right to make technical modifications.
2 Safety instructions
The HDA 5500 digital display unit can be operated safely provided it is used in accordance
with its proper, designated use. However, in order to avoid any risk to the operator or any
damage due to incorrect handling of the unit, please adhere strictly to the following safety
instructions:
•
The HDA 5500 must not be put into service if any known defects, either electrical or
mechanical, are apparent.
•
The unit must be installed exactly according to the instructions.
•
Read the information on the type code label.
•
Fault investigation and repairs must only be carried out by HYDAC Service.
•
All relevant and generally recognised safety requirements must be adhered to.
3 Functions
The HDA 5500 for Condition Monitoring sensors is specifically designed for use with the Oil
Condition Sensor HLB 1000 or the Contamination Sensor CS 1000; it has the following
functions:
•
Display of the lowest or peak value (slave pointer function)
•
Display of the pre-set switch point
•
Switching outputs via relay switching contacts
•
Analogue output 4..20 mA or 0..10 V can be selected
•
Programming functions can be disabled to prevent subsequent unauthorised adjustment
of the settings
•
RS 232 serial interface
Specifically for HLB 1000
•
Display of the temperature and the relative humidity as absolute values
•
Display of the relative change in viscosity and dielectric constant in %
•
Display of the status signal of the HYDACLab ® (See Point 9.3)
Specifically for CS 1000
•
Display of the particle contamination in ISO, SAE or NAS cleanliness codes