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E51C2A, E51C3A Installation Guide
Modbus Point Map (cont.)
R/W NV Format
• 160
R
NV
UInt
• 161
R
NV
UInt
• 162
R
NV
UInt
• 163
R
NV
UInt
• 164
R
NV
ULong
• 165
• 166
R
NV
UInt
• 167
R
NV
UInt
• 168
R
NV
UInt
ZL0122-0D
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Units Scale
Range
Logging Status Register (Bit Mapped):
Bit 0: Log buffer full – Set to 1 when one single shot mode has filled the log buffer. In this condition, the
Bit 1: Log Buffer Read Collision 1 – Set to 1 if the meter tried to save log data while the user was reading the
Bit 2: Log Buffer Read Collision 2 – Set to 1 on the 2nd attempt to save log data while the user is reading
Bit 3: Logging Reset – The log has been reset during the previous demand sub-interval.
Bit 4: Logging Interrupted – Logging has been interrupted (power cycled, log configuration change, etc.)
Bit 5: RTC Changed – The real time clock had been changed during the previous demand subinterval.
Bit 6: RTC Reset - The Real Time Clock has been reset to the year 2000 and needs to be re-initialized.
Log Buffer Wrap / Missed Log Counter. In continous mode, this counter increments each time the internal
0-32767
Max Number of Logging Days. Based on the Sub-Interval Length and the depth of the log buffer, this register
0-32767
Number of Logged Entries since the log buffer wrapped or was reset. In single shot mode, this is the total
0-32767
Real Energy Consumption
0-0xFFFF
kWh
E
0-0xFFFF
Real Energy Consumption (LSR)
Most Significant Byte (MSB) Least Significant Byte (LSB)
Month /
See Bytes
Day
Day 1-31 (0x01-0x1F)
Year /
See Bytes
Hour 0-23 (0x00-0x17)
Hour
Minutes
/
See Bytes
Seconds 0-59 (0x00-0x3B)
Seconds
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Logged Entry Count will continue to increment. Cleared to 0 when logging is restarted (see reset command
register 129).
log (Logging Page Register has been set to something other than 0). On the first collision, the meter holds
the data until the next sub-interval and then writes the saved data to the log as well as the data for that
interval. This bit is cleared to 0 on the first demand interval with Logging Page Register = 0.
the log (Logging Page Register is set to something other than 0). At this point the meter ignores the read
condition and does a double write, first of the values saved from the previous cycle, and then the present
values. If the read condition is not removed the meter continues to write the log data as it normally would.
This bit is cleared to 0 on the first demand interval with Logging Page Register = 0.
during the previous demand sub-interval.
circular log buffer wraps and overwrites old data. The total number of logged entries since the last log reset
is: (Register 161 x 5760) + Register 163. In single shot mode this counter is the number of log entries lost
due to the buffer being full. The counter is cleared on logging reset.
shows the maximum number of days that data is logged following a reset until the Buffer is full (Single Shot
Mode) or overwrites old data (Continuous).
number of valid entries in the buffer. Any entries beyond this are read back as QNAN (0x8000).
(MSR)
Real Energy (Register 001/002) starting value. Corresponds to when logging
is started, reset, or rolls.
Month 1-12 (0x01-0x0C)
Year 0-199 (0x00-0xC7)
Minutes 0-59 (0x00-0x3B)
Description
Date & Time of the newest entry in the log.
After a power cycle, resets to:
Day 01
Month 01
Hour 00
Year (20) 00
TM
0818
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