ZL0067-0B
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03112
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TM
E51
INSTALLATION GUIDE
E51C2 FDS
E51C3 L
og
Regist
er
R/W NV Format Units Scale
Range
Description
•
• 144
R/W NV UInt
Wh
10000,
1000
,
100,
10
Wh (& VARh, if equipped)
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. Check the meter
configuration and/or try a
larger value.
kWh (& VARh, if equipped) 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 msec)
•
• 145
R
NV UInt
msec
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
Error 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 to 65 Hz -OR- 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)
•
• 149
R/W NV UInt
1-6
Number of Sub-Intervals per Demand Interval. Sets the number of sub-intervals that
make a single demand interval. For block demand, set this to 1. Default is 1. When
Sub-Interval Length register #150 is set to 0 (sync-to-comms mode), this register is
ignored.
Demand
Calculation
•
• 150
R/W NV UInt
Seconds
0, 10-32767
Sub-Interval Length in seconds. For sync-to-comms, set this to 0 and use the reset
register (129) to externally re-start the sub-interval. On the E51C3, this is also the
logging interval.
•
• 151
R/W
UInt
1-32767
Reserved (returns 0)
•
• 152
R
NV UInt
0-32767
Power Up Counter.
•
• 153
R
NV UInt
0-32767
Output Configuration. E51C2 and E51C3 units have a NO energy contact and NC (Normally Closed - Form B)
Phase Loss contact, so this register will always return a “0”.
•
• 154
R
UInt
Reserved, returns 0
