139 change is visible in event log in the device.
4.2.4 Changing item 139
If item 139 is set to any value other than 0 (unrestricted) - it may not be changed unless the
METROLOGICAL ACCESS JUMPER is OFF.
Attention: Firmware can be upgraded if either the override jumper is off OR if item 139 is set to
unrestricted.
The METROLOGICAL ACCESS JUMPER is located in the lower right corner of the IO Board at the back of
the case (labeled “METR JMPR”). If a sealing plate is in place that must first be removed.
4 Securing the device
4.2 Metrological protection modes
Honeywell 2024
56
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