参数资料
型号: L9935
厂商: STMICROELECTRONICS
元件分类: 运动控制电子
英文描述: STEPPER MOTOR CONTROLLER, 2.5 A, PDSO20
封装: LEAD FREE, POWER, MO-166, SOP-20
文件页数: 17/29页
文件大小: 275K
代理商: L9935
Functional description
L9935
Table 11.
Half step mode control sequences and diagnosis response
SDI
SDO
Error cases and SDObit7, bit6
F
ault
A
O
P
E
N
B
O
P
E
N
A1
S
H
O
R
T
VS
A2
S
H
O
R
T
VS
B1
S
H
O
R
T
VS
B2
S
H
O
R
T
VS
A1
(1)
S
H
O
R
T
GND
A2
(1)
S
H
O
R
T
GND
B1
(1)
S
H
O
R
T
GND
B2
(1)
S
H
O
R
T
GND
therm.
alarm
shut down
(reset
operating
codes)
bit
76543210 76543210
76
76543210
Command
/resp
onse
XX111111
XX011111
XX011011
XX111011
XX010011
XX010111
XX010010
XX110010
XX011010
XX011110
XX011011
XX111011
XX010011
XX010111
XX010010
XX110010
previous code
11111111
11011111
11011011
11111011
11010011
11010111
11110010
11011010
11011110
11011011
11111011
11010011
11010111
11010010
11
01
11
01
11
01
11
01
11
01
11
01
11
01
11
01
11
01
11
01
11
01
11
01
11
01
11
01
11
10
01
11
10
01
10
01
11
10
01
11
10
11
10
01
11
10
01
11
10
01
11
10
00
00111111
1.
Motor resistance approximately 10
Ω and V
S = 12V. So a short to ground only is detected on one branch of the bridge.
Lower resistivity of the motor may lead to detection of short to ground on both branches of the bridge leading to code 10 on
all steps.
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