CityGrow CG102RS232, Руководство пользователя

Страница: 17 / 24

15
If the control dimmer stop dim-down is accomplished, following PDU is expected to be
returned from CG102RS232:
Cmd
DeviceID
1 byte 3 bytes
Device
Type
1 byte
Control
Cmd
1 byte
0x02 0x14
Control
Result
1 byte
0x00
Figure 6-16 Response PDU of dimmer stop to dim-down
To control dimmer to a desired dimming level, the dimming level is required to provide in
the PDU. Following is the example of PDU when the desired dimming level is 70% (Control
Status is required set to the value of 70, 0x46 in hexadecimal):
Cmd
DeviceID
1 byte 3 bytes
Device
Type
1 byte
Control
Cmd
1 byte
0x01 0x15
Control
Status
1 byte
0x46
Figure 6-17 Example of set the dimmer level of 70%
If the control dimmer level (70%) is accomplished, following PDU is expected to be returned
from CG102RS232:
Cmd
DeviceID
1 byte 3 bytes
Device
Type
1 byte
Control
Cmd
1 byte
0x02 0x15
Control
Result
1 byte
0x00
Control
Status
1 byte
0x46
Figure 6-18 Example of response PDU of set the dimmer level of 70%
If the target device cannot be reach during the control process, the control result in
response PDU from CG102RS232 will be FAILURE.