Unitedlink UniSign-3812A, Manual

Page: 12 / 34

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Page 12
And the reply signals are defined as:
Receive a valid
command
Name Length Value1 Value2 Value3 Value4 CR
Byte Count 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte
Bytes order 1 2 3 4 5 6
Receive a non-
valid
command
Name ACK CR
Byte Count 1 Byte 1 Byte
Bytes order 1 2
Data ‘-‘
(0x2D)
CR
(0x0D)
Example of get functions:
Get Power status Command (ASCII):
Name Length Command Value1 Value2 Value3 CR
Byte Count ‘5’
(0x35)
‘l’
(0x6C)
‘0’
(0x30)
‘0’
(0x30)
‘0’
(0x30)
CR
(0x0D)
Bytes order 1 2 3 4 5 6
If the monitor is turn on, it will reply
Name Length Value1 Value2 Value3 Value4 CR
Byte Count ‘5’
(0x35)
‘0’
(0x30)
‘0’
(0x30)
‘0’
(0x30)
‘1’
(0x31)
CR
(0x0D)
Bytes order 1 2 3 4 5 6
If it is turn off, then it will reply
Name Length Value1 Value2 Value3 Value4 CR
Byte Count ‘5’
(0x35)
‘0’
(0x30)
‘0’
(0x30)
‘0’
(0x30)
‘0’
(0x31)
CR
(0x0D)
Bytes order 1 2 3 4 5 6