WS2821
Address Writer Instruction
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So if you want to use DMX512 protocol to control WS2821, realize that from the DMX512
channel 1, each DMX 512 channel control one RGB lamp’s one channel, then you must set the
parameters as followings:
Address by lamp:
Begin Pixel: 1
Adjoin IC Pixels No.: 0
Address by channel:
Begin Channel: 1
Adjoin IC Channel No.: 2
For WS2821 Address Writer, the default setting is the conventional control parameters, just need
to write to confirm. Parameter being set to others, can provide some special control methods.
C. Address Testing
Address testing function have New IC test function and address writing,it can test whether the
address is write.
The new IC test function has mentioned at first, so here no more description.
Wire connection for address testing:
Address Writer’s "DATA"
、
"GND" are respectively connected with the WS2821 parallel data
inputs (DATA) and GND (also WS2821 need to connect with the power supply).
After Address Writer addressing the WS2821 , test whether the address is written right.
This function have automatic test and manual test function, when enter automatic measurement,
WS2821 address writer will automatically send a test signal, channel by channel light; when the
manual mode, according to press and light the next channel (Screen display value is the
corresponding channel), it will show the same effect with automatic testing when you press it for
a long time. For example, the above mentioned:
Address by lamp:
Begin Pixel: 1
Adjoin IC Pixels No.: 0
Address by channel:
Begin Channel: 1
Adjoin IC Channel NO.: 2
The conventional way to write address for WS2821 , via address testing,you will see the lamp by
WS2821 successive lit the IC control lamp’s red green blue. If you cannot see this effect, then
write address failure. If only a few WS2821 light invisible to the test results, maybe due to some
WS2821 lamps have problems, please carefully detection.
D. Program Testing
This function has preset some programs,the DMX512 Protocol control’s WS2821 are all set
according to:
Address by lamp:
Begin Pixel: 1
Adjoin IC Pixels No.: 0
Address by channel:
Begin Channel: 1
Adjoin IC Channel No.: 2
This conventional way to write address for WS2821.
“Program Testing” function is used for checking whether there is RGB failure in all the IC, after
entering the column,choose one kind of the effect and enter confirm button,it will show the
corresponding effect.
During one effect work,you can use"+"
、
"-" key to switch the program.