CityGrow CG102RS232, Руководство пользователя

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10
The PDU of the ZDCP comprises of different fields, which are summarized in the following
table (Table 4-1):
Table 6-1 Summary of fields in the PDU of ZDCP
Field Description Size
Cmd Command 1 byte
DeviceID The device ID of target device 3 byte
DeviceType The device type of the target device 1 byte
Parameter(s) Parameter(s) for device control Variable Length
6.1.1 Cmd
The command is used to specify the function of the PDU. The command also determines
different parameters enclosed in the PDU. The summary of the command type and relative
parameters is shown in the Table 4-2.
Table 6-2 Summary of the command type
Cmd
Description Parameters
Name Code
CONTROL_REQ 0x01 Device Control
Request
ControlCmd,
ControlStatus (Set Dimmer
Level Only)
CONTROL_RESP 0x02 Device Control
Response
ControlCmd,
ControlStatus (Set Dimmer
Level Only),
ControlResult
STATUS_REQ 0x03 Device Status
Request
-
STATUS_RESP 0x04 Device Status
Response
Refer to section 4.3
ENABLE_AU_REQ 0x81 Enable Auto
Update Status
Request
-
ENABLE_AU_RESP 0x82 Enable Auto
Update Status
Response
Result
DISABLE_AU_REQ 0x83 Disable Auto
Update Status
Request
-
DISABLE_AU_RESP 0x84 Disable Auto
Update Status
Response
Result
VERSION_REQ 0xF1 ZDCP version
request
Refer to section 4.5
VERSION_RESP 0xF2 ZDCP version
response
Refer to section 4.5