Veris Industries E51C3A Install - Manual (Page 26)

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Installation Guide
Power Monitoring
E51C2A, E51C3A
TM
E51C2A FDS E51C3A L
og
Regist
er
R/W NV Format Units Scale Range Description
• 160 R NV UInt
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
Logged Entry Count will continue to increment. Cleared to 0 when logging is restarted (see reset command
register 129).
Bit 1: Log Buffer Read Collision 1 – Set to 1 if the meter tried to save log data while the user was reading the
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.
Bit 2: Log Buffer Read Collision 2 – Set to 1 on the 2nd attempt to save log data while the user is reading
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.
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.)
during the previous demand sub-interval.
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.
• 161 R NV UInt 0-32767
Log Buffer Wrap / Missed Log Counter. In continous mode, this counter increments each time the internal
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.
• 162 R NV UInt 0-32767
Max Number of Logging Days. Based on the Sub-Interval Length and the depth of the log buffer, this register
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).
• 163 R NV UInt 0-32767
Number of Logged Entries since the log buffer wrapped or was reset. In single shot mode, this is the total
number of valid entries in the buffer. Any entries beyond this are read back as QNAN (0x8000).
• 164
R NV ULong kWh E
0-0xFFFF
Real Energy Consumption
(MSR) Real Energy (Register 001/002) starting value. Corresponds to when logging
is started, reset, or rolls.
• 165 0-0xFFFF Real Energy Consumption (LSR)
• 166 R NV UInt
Month /
Day
See Bytes
Most Significant Byte (MSB) Least Significant Byte (LSB)
Date & Time of the newest entry in the log.
After a power cycle, resets to:
Day 01 Month 01
Hour 00 Year (20) 00
Day 1-31 (0x01-0x1F) Month 1-12 (0x01-0x0C)
• 167 R NV UInt
Year /
Hour
See Bytes Hour 0-23 (0x00-0x17) Year 0-199 (0x00-0xC7)
• 168 R NV UInt
Minutes
/
Seconds
See Bytes Seconds 0-59 (0x00-0x3B) Minutes 0-59 (0x00-0x3B)
Modbus Point Map (cont.)