18
Command Summary
6
Commands
6.1
Communication
1.1
Change
Baud Rate
Dec
Hex
ASCII
254 57
FE 39
■ 9
Speed
Speed
Speed
v8.0
Immediately changes the baud rate. Not available in I2C. Baud rate can be temporarily forced to 19200 by a
manual override.
Speed
Byte
Valid settings shown below.
Table 16: Accepted Baud Rate Values
Rate
9600
14400
19200
28800
38400
57600
76800
115200
Speed
207
138
103
68
51
34
25
16
1.2
Change I2C
Slave Address
Dec
Hex
ASCII
254 51
FE 33
■ 3
Address
Address
Address
v8.0
Immediately changes the I2C write address. Only even values are permitted as the next odd address will become
the read address. Default is 80.
Address
Byte
Even value.
1.3
Transmission
Protocol Select
Dec
Hex
ASCII
254
Protocol
160
FE A0
■
á
Protocol
Protocol
v8.0
Selects the protocol used for data transmission from the display. Data
transmission to the display is not affected.
Must be set to the protocol in use to receive data correctly.
Protocol
Byte
1 for Serial (RS232/RS422/TTL/USB) or 0 for I2C.
1.4
Set Flow
Control Mode
Dec
Hex
ASCII
254 63
FE 3F
■
?
Mode
Mode
Mode
v8.0
Toggles flow control between hardware, software and off settings. Software and Hardware control can be further
tuned using the settings above. Default is Hardware, or 2.
Mode
Byte
Flow control setting as below.
Table 17: Hardware Flow Control Trigger Levels
Bytes
1
4
8
14
Level
0
1
2
3
Table 18: Flow Control Settings
Flow Control
None
Software
Hardware
Mode
0
1
2
1.5
Set Hardware
Flow Control
Trigger Level
Dec
Hex
ASCII
254 62
FE 3E
■
>
Level
Level
Level
v8.0
Sets the hardware flow control trigger level. The Clear To Send signal will be deactivated once the number of
characters in the display buffer reaches
the level set; it will be reactivated once all data in the buffer is handled.
发布紧急采购，3分钟左右您将得到回复。
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