Annex B – Set Clock
The internal real time clock has been calibrated to the highest possible accuracy during production and set to GMT.
This clock is mainly used for time stamping the event logging to the SD-Card. The end user might want to set the
clock to the local region setting and this can be done in different way’s.
Via a file on the SD-Card.
File name “TIME.TXT” format YYYYMMDDHHMMSS. The time YYYYMMDDHHMMSS will be used to set the
clock, “TIME.TXT” will be deleted after reading.
Step 1 - Power-down monitor.
Step 2 - Insert SD-Card with file “TIME.TXT” with content YYYYMMDDHHMMSS.
Step 3 - Power-up monitor.
Note: it will take aprox. 1second to modify the clock after power-up
Via data communication MODBUS register 88 & 89 see above.
Annex C - Recommended Spare Parts
With the purchase of the Rack Monitor the OPW Engineered Systems recommends some spare parts to be
purchased. Although this Rack Monitor 88XX is designed with solid state lamps and a minimum maintenance spare
parts are available. When parts are replaced, it is recommended to replace them with the original parts.
When using the Rack Monitor 88XX for its intended use and the normal environments these spare parts will be
useful at the end of the lifecycle of the given parts, but they have been known to be necessary to resume working
swiftly after replacing these parts.
The recommended spare parts are:
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