CARLO GAVAZZI EM 21 Manual del protocolo de comunicación - Página 8
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Energy management
2.3
Instantaneous variables and meters
MODBUS: read only mode with functions code 03 and 04
Modicom
Physical
address
address
300001
0000h
300003
0002h
300005
0004h
300007
0006h
300009
0008h
300011
000Ah
300013
000Ch
300015
000Eh
300017
0010h
300019
0012h
300021
0014h
300023
0016h
300025
0018h
300027
001Ah
300029
001Ch
300031
001Eh
300033
0020h
300035
0022h
300037
0024h
0026h
300039
300041
0028h
300043
002Ah
300045
002Ch
300047
002Eh
300048
002Fh
300049
0030h
0031h
300050
300051
0032h
300052
0033h
300053
0034h
300055
0036h
2.4
Firmware version and revision code
MODBUS: read only mode with functions code 03 and 04 limited to a word at a time
Modicom
Physical
address
address
300771
0302h
300772
0303h
2.5
Programming lock status
MODBUS: read only mode with functions code 03 and 04 limited to a word at a time
Modicom
Physical
address
address
300773
0304h
EM24-DIN Communication Protocol
Length
VARIABLE
(words)
ENG. UNIT
2
V L1-N
2
V L2-N
2
V L3-N
2
V L1-L2
2
V L2-L3
2
V L3-L1
2
A L1
2
A L2
2
A L3
2
W L1
2
W L2
2
W L3
2
VA L1
2
VA L2
2
VA L3
2
VAR L1
2
VAR L2
2
VAR L3
2
V L-N
2
V L-L
2
W
2
VA
2
VAR
1
PF L1
1
PF L2
1
PF L3
1
PF
1
Phase sequence
1
Hz
2
KWh(+) TOT
2
Kvarh(+) TOT
Length
VARIABLE
(words)
ENG. UNIT
1
Version code
1
Revision code
Length
VARIABLE
(words)
ENG. UNIT
1
Programming lock (trimmer
position in the rear of
the display)
Data
Format
INT32
INT32
INT32
Value weight: Volt*10
INT32
INT32
INT32
INT32
INT32
Value weight: Ampere*1000
INT32
INT32
INT32
Value weight: Watt*10
INT32
INT32
INT32
Value weight: VA*10
INT32
INT32
Value weight: var*10
INT32
INT32
INT32
Value weight: Volt*10
INT32
INT32
Value weight: Watt*10
INT32
Value weight: VA*10
INT32
Value weight: var*10
INT16
Negative values correspond to
lead(C), positive value correspond
INT16
to lag(L)
INT16
Value weight: PF*1000
INT16
The value –1 corresponds to L1-L3-
L2 sequence, the value 0
corresponds to L1-L2-L3 sequence.
INT16
The phase sequence value is
meaningful only in a 3-phase
system
INT16
Value weight: Hz*10
INT32
Value weight: kWh*10
INT32
Value weight: kvarh*10
Data
Format
UINT 16
Value=0: Version "A"
UINT 16
Value=0: Revision "0"
Data
Format
UINT 16
Value=1: programming locked
Value=0: programming unlocked
Table 2.3-1
Notes
Table 2.4-1
Notes
Table 2.5-1
Notes
8