CARLO GAVAZZI EM21 - COMMUNICATION PROTOCOL V1 REV0 Manual de usuario descargar pdf (Pagina 9)

Energy management

EM21-DIN Communication Protocol

2.6 Carlo Gavazzi Controls identification code

MODBUS: read only mode with functions code 03 and 04 limited to a word at a time Table 2.6-1

Modicom

address

Physical

address

Length

(words)

VARIABLE

ENG. UNIT

Data

Format

Notes

300012 000Bh 1 Carlo Gavazzi Controls

identification code

UINT 16 Value=57: EM21 AV5 input model

Value=58: EM21 AV6 input model

2.7 Programming parameter tables

2.7.1 Password configuration menu

MODBUS: read and write mode Table 2.7-1

Modicom

address

Physical

address

Length

(words)

VARIABLE

ENG. UNIT

Data

Format

Notes

304097 1000h 1 PASSWORD UINT 16 Minimum valid value: 0d

Maximum valid value: 999d

2.7.2 “Application” menu

MODBUS: read and write mode Table 2.7-2

Modicom

address

Physical

address

Length

(words)

VARIABLE

ENG. UNIT

Data

Format

Notes

304098 1001h 1 Type of application UINT 16 Value=0: “A” application

Value=1: “B” application

Value=2: “C” application

2.7.3 System configuration menu

MODBUS: read and write mode Table 2.7-3

Modicom

address

Physical

address

Length

(words)

VARIABLE

ENG. UNIT

Data

Format

Notes

304099 1002h 1 Measuring system UINT 16 Value=0: “3Pn”

Value=1: “3P1”

Value=2: “2P”

Value=3: “1P”

Value=4: “3P”

2.7.4 PT and CT configuration menu

MODBUS: read and write mode Table 2.7-4

Modicom

address

Physical

address

Length

(words)

VARIABLE

ENG. UNIT

Data

Format

Notes

304100 1003h 2 Current transformer ratio UINT 32 Value min = 10 (CT=1,0)

Value max = 600000 (CT=60000.0)

304102 1005h 2 Voltage transformer ratio UINT 32 Value min = 10 (VT=1,0)

Value max = 60000 (VT=6000.0)

1 2 3 4 5 6 7 8 9 10

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CARLO GAVAZZI EM21 - COMMUNICATION PROTOCOL V1 REV0 Manual de usuario Pagina 9

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