H
H
H
X
X
X
-
-
-
2
2
2
3
3
3
8
8
8
4
4
4
Z
Z
Z
/
/
/
H
H
H
X
X
X
-
-
-
3
3
3
3
3
3
1
1
1
6
6
6
0
0
0
8
8
8
Z
Z
Z
83
D-2 Device ACK Packet
When the device receives supported commands comes from the host, and then will
response with following ACK:
Table – ACK Type List
Ack Type Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
O
Last Byte
Type A
AB
CB
Type B
AB
LB
Index 1 Value 1 Index 2 Value 2
O
CB
Type C
AB
LB
Data 1
Data 2
CB
Type D
AB
LB
INF
OP
IP
Name 1
O
CB
Type E
AB
LB
EXINF
VEINF
AEINF
PLUG
O
CB
D-2.1 ACK Type A
ACK Byte + CRC Byte (Total 2 Bytes)
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
AB
ACC
0
0
Device ID (0 – 31)
CB
CRC
ACC:
The devices acknowledge status. Accept or Reject.
1: device accepts this request. (ACK; acknowledge)
0: device rejects this request. (NAK; negative acknowledge)
The device sends the Nak packet is always 2 bytes. (NAK + CRC)
0:
Reserve, Always 0.
1:
Identifier, Always 1.
Device ID:
Device id ranges from 0 to 31. (Please refer to device’s user manual)
CRC:
Device always sends the CRC code to follow the last byte.
