ZL0124-0E
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TM
E50C1A Installation Guide
E50C1 REG.
R/W NV Format
Units
Scale
Range
Description
142
R/W NV UInt
%
1-99
Phase Loss Voltage Threshold in percent of system voltage (register
134). Default is 10 (%). Any phase (as configured in register 130)
that drops below this threshold triggers a Phase Loss alert - i.e.
if the System voltage is set to 480 V L-L, the L-N voltage for each
phase should be 277 V. When the threshold is set to 10%, if any
phase drops more than 10% below 277 V, (less than 249 V), or
if any L-L voltage drops more than 10% below 480 V (less than
432 V) the corresponding phase loss alarm bit in register 146 will
be true.
Phase Loss Output
Note: The phases tested are determined by
the System Type.
143
R/W NV UInt
%
1-99
Phase Loss Imbalance Threshold in Percent. Default is 25% phase
to phase difference. For a 3-phase Y (3 + N) system type (40 in
register 130), both Line to Neutral and Line to Line voltages are
tested. In a 3-phase Δ System type (31 in register 130), only Line
to Line voltages are examined. In a single split-phase (2 + N)
system type (12 in register 130), just the line to neutral voltage
are compared.
144
R/W NV UInt
Wh
10000,
1000,
100,
10
Wh (& VARh, if equipped with
FDS) Energy per Pulse Output
Contact Closure. If the meter
cannot find a pulse duration
that will keep up with the max.
system power (register 135), it
will reject the new value. Try a
larger value.
kWh Pulse Contacts
Note: The kWh pulse contact can keep up with a maximum power (Watts) of
1800000 x Wh pulse weight ÷ contact closure duration (in mses)
145
R
NV UInt
ms
500,
250,
100,
50,
25,
10
Pulse Contact Closure Duration
in msec. Read-only. Set to the
slowest duration that will keep
up with the theoretical max.
system power (register 135).
The open time ≥ the closure
time, so the max. pulse rate
(pulses per sec) is the inverse of
double the pulse time.
146
R
UInt
Diagnostic Alert Bitmap. 1 = Active:
Bit 0: Phase A Voltage out of range
Bit 1: Phase B Voltage out of range
Bit 2: Phase C Voltage out of range
Bit 3: Phase A Current out of range
Bit 4: Phase B Current out of range
Bit 5: Phase C Current out of range
Bit 6: Frequency out of the range of 45 – 65 Hz OR there is insufficient voltage to determine frequency.
Bit 7: Reserved for future use
Bit 8: Phase Loss A
Bit 9: Phase Loss B
Bit 10: Phase Loss C
Bit 11: Low Power Factor on A with one or more phases having a PF less than 0.5 due to mis-wiring of phases
Bit 12: Low Power Factor on B
Bit 13: Low Power Factor on C
Bit 14: Energy pulse output overrun error. The pulse outputs are unable to keep up with the total real power
(registers 3 and 261/262). To fix, increase the pulse energy register (register 144) and reset the energy
accumulators (see reset register 129).
Bit 15: Energy pulse output configuration error (present pulse energy setting may not keep up with the
theoretical max. system power; see register 135). To fix, increase the pulse energy (register 144).
147
R
NV UInt
0-32767
Count of Energy Accumulator resets
148
R
UInt
Reserved (returns 0)
151
R/W
UInt
1-32767
Reserved (returns 0)
Modbus Point Map (cont.)
