CET PMC-340 User Manual

CET Inc.
51
specified in registers 60000-60002 will be ignored. Writing to the Millisecond register (60003) is
optional during a Time Set operation. When broadcasting time, the function code must be set to
0x10 (Pre-set Multiple Registers). Incorrect date or time values will be rejected by the meter. In
addition, attempting to write a Time value less than Jan 1, 2000 00:00:00 will be rejected.
Register
Property
Description
Format
Note
60000
9000
RW
High-order Byte: Year
UINT16
0-37 (Year-2000)
Low-order Byte: Month
1 to 12
60001
9001
RW
High-order Byte: Day
UINT16
1 to 31
Low-order Byte: Hour
0 to 23
60002
9002
RW
High-order Byte: Minute
UINT16
0 to 59
Low-order Byte: Second
0 to 59
60003
9003
RW
Millisecond
UINT16
0 to 999
60004
~
60005
9004
~
9005
RW
UNIX Time
UINT32
This time shows the
number of seconds since
00:00:00 January 1, 1970
Table 5-37 Time Registers
5.14 Clear/Reset Control
Register
Property
Description
Format
Note
Model
A
B
9600
WO
Clear Monthly Energy Log
1
UINT16
Writing
“0xFF00”
to the
register
execute
the
described
action.


9601
WO
Clear Energy
2


9602
WO
Clear Monthly Energy Log of Present
Month
3


9603
WO
Clear Peak Demand Log of This Month
(Since Last Reset)
4


9604
WO
Clear All Demand Registers
5


9605
WO
Clear Max./Min. Log of This Month
(Since Last Reset)
6


9606
WO
Clear All Max./Min. Log
7


9607
WO
Clear Device Operating Time


9608
WO
Clear All Data
8


9609
WO
Clear DI1 Pulse Counter

9610
WO
Clear DI2 Pulse Counter

9611
WO
Clear DI3 Pulse Counter

9612
WO
Clear Data Recorder Logs

9613
WO
Clear SOE

9614
WO
Clear Counters of Important Setup
Parameters Changes

9615~9618
WO
Reserved
Table 5-38 Clear Control
Notes:
1) Writing 0xFF00 to the Clear Monthly Energy Log register to clear the Monthly Energy Log of the
last 1 to 12 months, excluding the Monthly Energy Log for the Present Month.
2) Writing 0xFF00 to the Clear Energy register to clear the 3-Ø Total and Per-Phase energy registers.
3) Writing 0xFF00 to the Clear Monthly Energy Log of Present Month register to clear the Monthly
Energy Log of the Present Month.
4) Writing 0xFF00 to the Clear Peak Demand Log of This Month register to clear Peak Demand Log
of This Month (Since Last Reset) when the Self-Read Time register is set for automatic Self-Read
operation. The Peak Demand of Last Month will not be cleared. If the Self-Read Time register
is set for manual operation with a register value of 0xFFFF, the Peak Demand of This Month (Since
Last Reset) will be transferred to the Peak Demand of Last Month (Before Last Reset) and then
cleared.
5) Writing 0xFF00 to the Clear All Demand Registers register to clear all Demand registers and logs,
including Real-time Present Demand, Peak Demand Log of This Month (Since Last Reset) and Last
Month (Before Last Reset).
6) Writing 0xFF00 to the Clear Max./Min. Log of This Month register to clear the Max./Min. log of
This Month (Since Last Reset) when the Self-Read Time register is set for automatic Self-Read
operation. The Max./Min. log of Last Month will not be cleared. If the Self-Read Time register
is set for manual operation with a register value of 0xFFFF, the Max./Min. log of This Month (Since

CET PMC-340 Specifications

General

Brand	CET
Model	PMC-340
Category	Measuring Instruments
Language	English