CARLO GAVAZZI EM21 - COMMUNICATION PROTOCOL V1 REV0 Руководство по протоколу связи - Страница 9
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Energy management
2.6
Carlo Gavazzi Controls identification code
MODBUS: read only mode with functions code 03 and 04 limited to a word at a time
Modicom
Physical
address
address
300012
000Bh
.
2.7
Programming parameter tables
2.7.1
Password configuration menu
MODBUS: read and write mode
Modicom
Physical
address
address
304097
1000h
2.7.2
"Application" menu
MODBUS: read and write mode
Modicom
Physical
address
address
304098
1001h
2.7.3
System configuration menu
MODBUS: read and write mode
Modicom
Physical
address
address
304099
1002h
2.7.4
PT and CT configuration menu
MODBUS: read and write mode
Modicom
Physical
address
address
304100
1003h
304102
1005h
EM24-DIN Communication Protocol
Length
VARIABLE
(words)
ENG. UNIT
1
Carlo Gavazzi Controls
identification code
Length
VARIABLE
(words)
ENG. UNIT
1
PASSWORD
Length
VARIABLE
(words)
ENG. UNIT
1
Type of application
Length
VARIABLE
(words)
ENG. UNIT
1
Measuring system
Length
VARIABLE
(words)
ENG. UNIT
2
Current transformer ratio
2
Voltage transformer ratio
Data
Format
UINT 16
Value=57: EM21 AV5 input model
Value=58: EM21 AV6 input model
Data
Format
UINT 16
Minimum valid value: 0d
Maximum valid value: 999d
Data
Format
UINT 16
Value=0: "A" application
Value=1: "B" application
Value=2: "C" application
Data
Format
UINT 16
Value=0: "3Pn"
Value=1: "3P1"
Value=2: "2P"
Value=3: "1P"
Value=4: "3P"
Data
Format
UINT 32
Value min = 10 (CT=1,0)
Value max = 600000 (CT=60000.0)
UINT 32
Value min = 10 (VT=1,0)
Value max = 60000 (VT=6000.0)
Table 2.6-1
Notes
Table 2.7-1
Notes
Table 2.7-2
Notes
Table 2.7-3
Notes
Table 2.7-4
Notes
9