ARDETEM PECA 5, Руководство пользователя

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p22
Address
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Dec. points and units of the measures
decimal point (MSB) / unit (LSB)
single voltage UL1
decimal point (MSB) / unit (LSB)
mesh voltage U1-3 or
single voltage U
decimal point (MSB) / unit (LSB)
line current IL1 or
single phase current I
decimal point (MSB) / unit (LSB)
network frequency
decimal point (MSB) / unit (LSB)
power factor
decimal point (MSB) / unit (LSB)
active power
decimal point (MSB) / unit (LSB)
reactive power
decimal point (MSB) / unit (LSB)
apparent power
decimal point (MSB) / unit (LSB)
active energy In (low weight)
decimal point (MSB) / unit (LSB)
active energy In (top weight)
decimal point (MSB) / unit (LSB)
active energy Out (low weight)
decimal point (MSB) / unit (LSB)
active energy Out (top weight)
decimal point (MSB) / unit (LSB)
reactive inductive energy (low weight)
decimal point (MSB) / unit (LSB)
reactive inductive energy (top weight)
decimal point (MSB) / unit (LSB)
reactive capacitive energy (low weight)
decimal point (MSB) / unit (LSB)
reactive capacitive energy (top weight)
Format
integer
integer
integer
integer
integer
integer
integer
integer
integer
integer
integer
integer
integer
integer
integer
integer
9.2 Table of addresses of the units and decimal points of
the measures
Unit : 0 to 4
0 : x1 1 : kilo 2 : mega 3 : giga 4 : tera
Decimal point : 1 to 4
1 : x.xxx 2 : xx.xx 3 : xxx.x 4 : xxxx.
Example : Line current : value 500 decimal point : 1 unit : 1
è
value of the current : 5.000 kA
Slave
number
1 byte 1 byte
Function
3 or 4
2 bytes
CRC 16
1st word
MSB
address
LSB
9.3 Description of born modbus functions
:
Reading of N words : Function n°3
Request pattern :
Number
MSB
of words
LSB
2 bytes
2 bytes
Slave
number
1 byte 1 byte 1 byte
Function
3 or 4
2 bytes
CRC 16
Number
of bytes
read
Response pattern
:
Value of
MSB
1st word
LSB
2 bytes
Value of
MSB
2nd word
LSB
2 bytes
• State of the relays :
bit 15
bit 7 bit 6 bit 0
1 : Led lit
1 : Led blinking : mode
recording and measure
not in alarm
1 : Relay ON
Alarm
recorded
Address
50
52
54
56
58
60
62
64
65
66
67
Value of the analog output
in µA (mA output)
in mV (10V output)
maximum - display 1
maximum - display 2
maximum - display 3
minimum - display 1
minimum - display 2
minimum - display 3
state of relay 1
state of relay 2
state of relay 3
state of relay 4
Format
double integer
double integer
double integer
double integer
double integer
double integer
double integer
integer
integer
integer
integer
nbr of words
2
2
2
2
2
2
2
1
1
1
1
Other addresses