CARLO GAVAZZI WM4-96 - PROGRAMMING Manual de usuario Pagina 16

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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
CRC
Read command answer frame (13 byte):
LSB
MSB
LSB
MSB
LSB
MSB
LSB
MSB
01h
04h
08h
00h
00h
00h
00h
00h
00h
00h
00h
CRC
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
CRC
Read command answer frame (13 byte):
01h
04h
08h
00h
00h
01h
00h
00h
00h
00h
00h
CRC
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
CRC
Read command answer frame (13 byte):
01h
04h
08h
00h
00h
26h
00h
00h
00h
00h
00h
CRC
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
CRC
Read command answer frame (13 byte):
01h
04h
08h
00h
00h
64h
00h
00h
00h
00h
00h
CRC
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
Gross Automation (877) 268-3700 · www.carlogavazzisales.com · [email protected]
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