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RelayDoc User Manual
Page 29
Version 1.25
Filename: RelayDoc User Manual v1.25.docx © MRD Rail Technologies Pty Ltd
14Sep2017
COMMERCIAL IN CONFIDENCE ©2016 MRD RAIL TECHNOLOGIES PTY LTD WWW.MRD.COM.AU +61 7 3821 5151
10. M
AINTENANCE
WARNING: The RelayDoc contains no user serviceable parts! Do not open the case. Opening the case
will void warranty, void calibration, and may result in damage to the unit.
G
ENERAL
M
AINTENANCE
The RelayDoc requires very little maintenance. Complete the following items on an as required basis.
•
Store the 1R base on the unit when not in use. This reduces build-up of dust or dirt on the contacts
• Clean Relay Contacts with Contact Cleaner and cotton buds
• Wipe down the external surfaces with a just-damp soft cloth
T
EST
B
ASE
V
ERIFICATION
T
EST
At pre-set intervals, the RelayDoc will require the user to perform a Test Base Verification Test. The purpose of
this test is to confirm that Relay Base contacts have not developed resistance that may affect test results. The
test quickly checks the resistance across each contact, using a known resistor.
Poor test results are usually the result of dirty or corroded contacts. Set the Test Frequency using the
Embedded Web Server.
To complete the test:
•
When requested, fit a RDTB Test Base
• Touch “Test” to begin the test (Coil Resistance test)
• Test Result will be PASS or FAIL
•
At completion, touch “OK”
• Touch “Report” to view the test result, or “Home” to exit.
C
ALIBRATION
Calibration is required every 12 months. The calibration status of the Relay Doc may be determined by:
• Checking the calibration label, attached to the device
• Checking the calibration certificate, either printed, or on the RelayDoc Web Server (see Section 8).
Calibration must be done by trained Operators, using the RelayDoc Calibration Kit (part number RDCK). RDCK is
available for purchase from MRD, otherwise return the unit annually for calibration.