Communication
6.2.4 Information mapping table
SICAM P27, 3-phase Harmonic Power Meter, User Manual
E50417-H8940-C560-
4
, Release Date
06.2018
44
6.2.4
Information mapping table
Common Parameters
Relay Alarm Parameters
Parameter Address
Data
Type
Length
R/W
Data
Range
Remark
Modbus address
0000 H
unsigned int
2 bytes
R/W
0...247
Baud rate of
communication
0001 H
unsigned int
2 bytes
R/W
0...6
0: 2400 bps
1: 4800 bps
2: 9600 bps
3: 19200 bps
4: 38400 bps
5: 600 bps
6: 1200 bps
High 16 bits of
voltage ratio part
0002 H
unsigned long
4 bytes
R/W
0...99999999
PT ratio=set val-
ue/10,000, 10,000
as default when
PT=0
Low 16 bits of
voltage ratio part
0003 H
High 16 bits of
current ratio part
0004 H
unsigned long
4 bytes
R/W
0...99999999
CT ratio=set val-
ue/10,000, 10,000
as default when
CT=0
Low 16 bits of
current ratio part
0005 H
Clearing extreme
value
0006 H
unsigned int
2 bytes
W
Arbitrary value
Parity
0020 H
unsigned int
2 bytes
R/W
0...3
0: 8E1
1: 8o1
2: 8n1
3: 8n2
Parameter Address
Data
Type
Length
R/W
Data
Range
Remark
Relay output 1
0100 H
unsigned int
2 bytes
R/W
0...1
Write operation is valid
when "alarm manner
control byte" is 0 or 2
Binary inputs
0102 H
unsigned int
2 bytes
R
High byte: binary input
status (note)
Low byte: binary output
status
Alarm manner
control byte
0103 H
unsigned int
2 bytes
R/W
0...1
0: turn off alarm function
1: relay output 1 is used
for alarm
Alarm status byte
0106 H
unsigned int
2 bytes
R
0...0x3F
From low to high, each
bit means status of an
alarm group:
0: no alarm activated
1: in alarm status