Celduc Temperature controller ECOM Manual do Utilizador descarregar pdf (Página 53)

54 ECOM0010 - User manual

controllers with the same address on the same line.

Address 255 can be used by the Master to communicate with

all the connected equipment (broadcast mode), while with

the address 0 all the devices receive the command, but no

response is expected.

ECOM0010 can introduce a delay (in milliseconds) of the

response to the master request. This delay must be set on

QBSBNFUFS

6HGH

Each parameter modication is saved by the controller in

the EEPROM memory (100000 writing cycles), while the

setpoints are saved with a delay of 10 seconds after the last

modication.

NB: Changes made to words that are dierent from those

reported in the following table can lead to malfunction.

Modbus RTU protocol features

Baud-rate

Selectable on parameter 

EGUW

Value : bit/s Value : bit/s

Value : bit/s Value : bit/s

Value : bit/s Value : bit/s

Value : bit/s Value : bit/s

Value : bit/s

Format

Selectable on parameter 

VSS

Value : N Value : N

Value : E Value : E

Value : O Value : O

Supported

functions

WORD READING (max  word) (HEX x, HEX x)

SINGLE WORD WRITING (HEX x)

MULTIPLE WORDS WRITING (max  word) (HEX x)

RO = Read Only R/W = Read/Write WO = Write Only

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Celduc Temperature controller ECOM Manual do Utilizador Página 53