Eaton XN300, Manual

Page: 251 / 288

30 DC motor driver module XN-322-1DCD-B35
30.3 Wiring
XN300 slice modules 06/16 MN050002 EN www.eaton.com
247
Counterclockwise operation example
System clock frequency: 32 MHz
Period duration register entry: 1120
dec
Period duration: 1120
dec
/32 MHz = 35 μ s
TC = relative
Figure 134: Pulse-width modulated signal at module output M+ for the counterclockwise
motor operating direction example
a Subsequence 1: Motor off, 00A0
hex
b Subsequence 2: Motor operating direction left, 9140
hex
c Subsequence 3: Motor off, 00A0
hex
d Subsequence 1: Motor armature short-circuit, C1E0
hex
Motor Subse-
quence
values,
hex Pulse
width Motor state TC Binary time value Time Value
hex 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 dec hex
off 00A0
hex
≈ 5 μ s 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 160
dec
A0
hex
Left 9140
hex
10 μ s 9 1 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 320
dec
140
hex
off 00A0
hex
≈ 5 μ s 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 160
dec
A0
hex
Armature short-
circuit C1E0
hex
15 μ s c 1 1 0 0 0 0 0 1 1 1 1 0 0 0 0 0 480
dec
1E0
hex
④ ③ ② ①
t
P