CARLO GAVAZZI WM4-96 - PROGRAMMING Manuale Utente Scaricare il pdf (Pagina 16)

CARLO GAVAZZI

CONTROLS

SERIAL COMMUNICATION PROTOCOL

WM4-96

V1 R3

Page

Example 9: “Control type” read command

4-word read command request frame (8 byte):

01h

04h

01h

C8h

00h

04h

CRC

Read command answer frame (13 byte):

LSB

MSB

LSB

MSB

LSB

MSB

LSB

MSB

01h

04h

08h

00h

CRC

Digital output 0: Not used (digital output 0 is not set as alarm, see previous example)

Digital output 1: UP control

Digital output 2: Not used

Digital output 3: Not used

Example 10: “Relay status” read command

4-word read command request frame (8 byte):

01h

04h

01h

D0h

00h

04h

CRC

Read command answer frame (13 byte):

01h

04h

08h

00h

01h

00h

CRC

Digital output 0: Not used (digital output 0 is not set as alarm, see example 7)

Digital output 1: Normally energised

Digital output 2: Not used

Digital output 3: Not used

Example 11: “Variable associated to the alarm” read command

4-word read command request frame (8 byte):

01h

04h

01h

D8h

00h

04h

CRC

Read command answer frame (13 byte):

01h

04h

08h

00h

26h

00h

CRC

Digital output 0: not used (digital output 0 is not set as alarm, see example 7)

Digital output 1: THD A1

Digital output 2: not used

Digital output 3: not used

Example 12: “ON Set-point” (alarm activation) read command

4-word read command request frame (8 byte):

01h

04h

01h

E0h

00h

04h

CRC

Read command answer frame (13 byte):

01h

04h

08h

00h

64h

00h

CRC

Digital output 0: not used (digital output 0 is not set as alarm, see example 7)

Digital output 1: 10.0% (0064h = 100 decimal)

Digital output 2: not used

Digital output 3: not used

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