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How to read alarm status via registers on a PM800 series meter

Register 10011 - 10022 (12) contain the active alarm status for all alarms in a Series 800 Power Meter (PM800). The least significant register is 10022 and 10011 is the most significant register. Therefore, register 10022 contain the status of the first 16 alarms. In binary, the least significant bit (referred to as bit 00) to the right of the register represents alarm 1, bit 01 = alarm 2, bit 02 = alarm 3, and ...

1 = alarm is active
0 = alarm is inactive

Example:.
alarm 2 and 4 are active (bits 01 and 03)
register 10022 reads 0000000000001010 in binary

Alarm Description
01 Over Current Phase A Over Ia
02 Over Current Phase B Over Ib
03 Over Current Phase C Over Ic
04 Over Current Neutral Over In
05 Current Unbalance, Max I Unbal Max
06 Current Loss Current Loss
07 Over Voltage Phase A–N Over Van
08 Over Voltage Phase B–N Over Vbn
09 Over Voltage Phase C–N Over Vcn
10 Over Voltage Phase A–B Over Vab
11 Over Voltage Phase B–C Over Vbc
12 Over Voltage Phase C–A Over Vca
13 Under Voltage Phase A Under Van
14 Under Voltage Phase B Under Vbn
15 Under Voltage Phase C Under Vcn
16 Under Voltage Phase A–B Under Vab
17 Under Voltage Phase B–C Under Vbc
18 Under Voltage Phase C–A Under Vca
19 Voltage Unbalance L–N, Max V Unbal L-N Max
20 Voltage Unbalance L–L, Max V Unbal L-L Max
21 Voltage Loss (loss of A,B,C, but not all) Voltage Loss
22 Phase Reversal Phase Rev
23 Over kW Demand Over
24 Lagging true power factor Lag
25 Over THD of Voltage Phase A–N Over THD Van
26 Over THD of Voltage Phase B–N Over THD Vbn
27 Over THD of Voltage Phase C–N Over THD Vcn
28 Over THD of Voltage Phase A–B Over THD Vab
29 Over THD of Voltage Phase B–C Over THD Vbc
30 Over THD of Voltage Phase C–A Over THD Vca
31 Over kVA Demand Over kVA Dmd
32 Over kW Total Over kW Total
33 Over kVA Total Over kVA Total

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