Pin
No.
Mark
I/O
Division
Function
40
SLVM2
I
Stepping power unit’s
power supply 2
41
SLVOUT
O
Stepping motor (V) output
terminal
42
SLPG1
—
Stepping power unit’s GND
1
43
SLUOUT
O
Stepping motor (U) output
terminal
44
SLVM1
I
Stepping power unit’s
power supply 1
45
VCC 2
—
Small signal block power
supply terminal 2 (Bip.)
46
VCC 1
—
Small signal block power
supply terminal (MOS)
47
VG
O
Charge pump output
terminal
48
C2M
—
Charge pump capacitor 2
terminal (-)
49
C2P
—
Charge pump capacitor 2
terminal (+)
50
CIM
—
Charge pump capacitor 1
terminal (-)
51
CIP
—
Charge pump capacitor 1
terminal (+)
52
EXTCLK
—
Synchronize clock input
terminal (Not used, open)
53
NC
—
Not used, open
54
H2PG2
—
H bridge 2 power unit’s
GND 2
55
H2ROUT
O
H bridge 2 reverse output
terminal
56
H2VM
I
H bridge 2 power unit’s
power supply
57
H2FOUT
O
H bridge 2 forward output
terminal
58
H2PG1
—
H bridge 2 power unit’s
GND 1
59
H1PG2
—
H bridge 1 power unit’s
GND 2
60
H1ROUT
O
H bridge 1 reverse output
terminal
61
H1VM
I
H bridge 1 power unit’s
power supply
55
Summary of Contents for SJ-MJ88
Page 6: ...Fig 1 Fig 2 4 2 Grounding for electrostatic breakdown prevention 1 Human body grounding 6 ...
Page 9: ...9 ...
Page 10: ... Check the P C B as shown below 10 ...
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Page 16: ...5 4 Replacement for the traverse motor Follow the Step 1 Step 3 of item 5 1 16 ...
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Page 30: ...Fig 9 30 ...
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Page 41: ...8 Schematic Diagram Notes 8 1 Type Illustration of IC s Transistors and Diodes 41 ...