How to determine the Date of Manufacture for a PM800 Series Meters

Issue:
A user may need to determine the manufacture date of a PM800 series meter

Product Line:
PM800 series meters

Environment:
Manufacturing Information

Cause:
The date of manufacture is required by the RMA procedure

Resolution:
*Warning: Installation and maintenance of this device should only be performed by qualified, competent personnel that have appropriate training and experience with high voltage and current devices. Failure to follow the instructions / warnings in the Meter Installation Guide can result in permanent damage to the meter, severe injury or death.

There are three ways to determine the Date Of Manufacture (DOM) of a PM800 series meter.

1. Front Display
From the front display of the meter, Select "Diagnostic -> Meter Information -> DOM"
You can read the "DOM" registers from the meter:

2. Register Reads
Three registers in the meter contain the DOM information starting at 3019. You can use Modbus tester or any Modbus register reading tool to read three registers (3019, 3020, and 3021).

Please use the following template for interpretation:

Register 3019:Hi Byte = Month (1 - 12) ; Register 0:Lo Byte = Day (1 - 31)
Register 3020 :Hi Byte = Year (0 - 199)   ; Register 1:Lo Byte = Hour (0 - 23)
Register 3021 :Hi Byte = Minute (0 - 59) ; Register 2:Lo Byte = Second (0 - 59)

For additional information about Modbus Tester and to download it, review the article: What is Modbus Tester and how do I use it?

3. Product Information Label

*** Caution: Take all necessary precautions when exposing live energized circuits

There is a product information label located on the side of the meter body that contains the serial number and date of manufacture for the meter.

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