Pulse Output Configuration Menu; Serial Port Configuration Menu; Reset Commands; Note - CARLO GAVAZZI EM21 - COMMUNICATION PROTOCOL V1 REV0 Communication Protocol Manual

Energy management
2.7.5

Pulse output configuration menu

MODBUS: read read and write mode
Modicom Physical
address address
1007h
304104
2.7.6

Serial port configuration menu

MODBUS: read and write mode
Modicom Physical
address address
304105 1008h
Note: The number of stop bits is fixed to "1" and the parity control is fixed to "none".
2.7.7

Reset commands

MODBUS: write only mode
Modicom Physical
address address
312289 3000h
2.7.8

Note

A default value is not automatically assignes to the parameters when an out-of-range or invalid value is
written.
If an invalid value is assigned to any parameter, the unit could not work properly.
This is the first release of the EM21 communication protocol
EM24-DIN Communication Protocol
Length VARIABLE
(words) ENG. UNIT
1 Kwh per pulse
Length VARIABLE
(words) ENG. UNIT
1 RS485 instrument address
Length VARIABLE
(words) ENG. UNIT
1 Reset of all meters
(KwhTOT and KvarhTOT)

3 REVISIONS

Data
Format
UINT 16 Value min = 1 (0,01Kwh)
Value max = 999 (9,99KWh)
Data
Format
UINT 16 Value min = 1
Value max = 247
Data
Format
UINT 16 Value=1: Command is executed
All other values produce no
effects
Notes
Table 2.7-5
Notes
Table 2.7-12
Notes
10