Advantech PCI-1243U, User Manual

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PCI-1243U User Manual 64
4.7.2 Setting Speed Data
Select the FL Register
Set FL data
Select the FH Register
Set FH data
Select the acceleration rate
register
Set acceleration rate data
Select the ramping-down
point register
Set ramping-down point data
Select the multiplier register
Set multiplier data
END
Command buffer <- 10000001(81H)
Set middle byte (8:15)
Set lower byte (0:7)
Wait 400 ns
The order is important!
Command Buffer <- 10000010(82H)
Set middle byte (8:15)
Set lower byte (0:7)
Wait 400 ns
The order is important!
Command Buffer <- 10000011(83H)
Set middle byte (8:15)
Set lower byte (0:7)
Wait 400 ns
The order is important!
Command Buffer <- 10000101(85H)
Set middle byte (8:15)
Set lower byte (0:7)
Wait 400 ns
(setting is not required if automatic ramping-
down setting mode is selected)
Command Buffer <- 10000100(84H)
Set middle byte (8:15)
Set lower byte (0:7)
Wait 400 ns
The order is important!