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Installation Guide
Power Monitoring
E50B1, E50C2, E50C3
Modbus Point Map (cont.)
R/W NV Format
•
• 043*
R
NV
•
• 044*
•
• 045*
R
NV
•
• 046*
•
• 047*
R
NV
•
• 048*
•
• 049*
R
NV
•
• 050*
•
• 051*
R
NV
•
• 052*
•
• 129
R/W
•
• 130
R/W NV
•
• 131
R/W NV
•
• 132
R/W NV
•
• 133
R/W NV
•
• 134
R/W NV
•
• 135
R
NV
•
• 136
R
•
• 137
R/W NV
ZL0103-0C
Page 20 of 26
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Units
Scale
Range
ULong
0-0xFFFF
ULong
0-0xFFFF
ULong
kWh
E
0-0xFFFF
ULong
kWh
E
0-0xFFFF
ULong
kWh
E
0-0xFFFF
UInt
N/A
10,
11,
UInt
12,
31,
40
UInt
Amps
1-32000
UInt
1, 3
UInt
100
0.01-320.00
UInt
82-32000
UInt
kW
W
1-32767
UInt
UInt
0,1
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Other companies' trademarks are hereby acknowledged to belong to their respective owners.
www.
Pulse Counter 1 (Real Energy)
Pulse Counter 2 (Reactive Energy)
Real Energy Consumption
Phase A
Real Energy Consumption
Phase B
Real Energy Consumption
Phase C
Configuration
Command Register:
- Write 30078 (0x757E) to clear all Energy Accumulators to 0.
- Write 21211 (0x52DB) to begin new Demand Sub-Interval calculation cycle. Takes effect at the end of the next
1 second calculation cycle. Write no more frequently than every 10 seconds.
- Write 21212 (0x52DC) to reset Max Demand values to Present Demand Values. Takes effect at the end of the
next 1 second calculation cycle. Write no more frequently than every 10 seconds.
- Write 16640 (0x4100) to Reset Logging (E50C3 only).
- Write 16498 (0x4072) to Clear Pulse Counters to 0.
- Read always returns 0.
Single Phase: A + N
Single Phase: A + B
Single Split Phase: A + B + N
3 phase ∆, A + B + C, no N
3 phase Y, A + B + C + N
CT Ratio – Primary
CT Ratio – Secondary Interface (1 or 1/3 V, may not be user
configurable)
PT Ratio: The meter scales this value by 100 (i.e. entering 200 yields a potential transformer ratio of 2:1). The
default is 100 (1.00:1), which is with no PT attached. Set this value before setting the system voltage (below)
System Voltage: This voltage is line to line, except for system type 10 which is line to neutral. The meter uses
this value to calculate the full scale power for the analog outputs and pulse configuration (below), and as full
scale for phase loss (register 142). The meter will refuse voltages that are outside the range of 82-660 volts
when divided by the PT Ratio (above).
Theoretical Maximum System Power: This read-only value is the theoretical max. power the meter can expect to
see on a service. This value is 100% of scale on the analog output (0-5VDC or 4-20mA), if equipped. The meter
recalculates this value if the user changes the CT size, system type, or system voltage. This integer value has
the same scale as other integer power registers (see register 140 for power scaling).
Reserved, always returns 0
Display Units: 0 = IEC (U, V, P, Q, S), 1 = IEEE (default: VLL, VLN, W, VAR, VA)
PowerMeterStore
Description
MSR Contact Closure Counters. Valid for
both Pulse inputs and outputs. E50xx
LSR
counts are shown in (). See register
144 (Energy per Pulse) for the Wh per
MSR
pulse count. Clear via register 129.
LSR
Inputs are user defined.
MSR
LSR
MSR
Clear via reset register
LSR
MSR
LSR
System Type
(See Manual. Note: only the indicated
phases are monitored for Phase Loss)
Current Inputs
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TM
09141
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