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TH-V70R
(No.21175)1-35
• Pin function
Pin No.
Symbol
I/O
Description
1
NC
-
Non connect
2
A3
O Output 3 for spindle motor
3
NC
-
Non connect
4
A2
O Output 2 for spindle motor
5
NC
-
Non connect
6
NC
-
Non connect
7
A1
O Output 1 for spindle motor
8
GND
-
Connect to ground
9
H1+
I
Positive input for hall input AMP 1
10
H1-
I
Negative input for hall input AMP 1
11
H2+
I
Positive input for hall input AMP 2
12
H2-
I
Negative input for hall input AMP 2
13
H3+
I
Positive input for hall input AMP 3
14
H3-
I
Negative input for hall input AMP 3
15
VH
I
Hall bias terminal
16
BR
-
Non connect
17
CNF
-
Capacitor connection pin for phase compensation
18
SB
I
Short brake terminal
19
FG2
-
Non connect
20
FR
-
Non connect
21
ECR
I
Torque control standard voltage input terminal
22
EC
I
Torque control voltage input terminal
23
PS
O Start/stop switch (power save terminal)
24
FG
O FG signal output terminal
25
VCC
-
Power supply for signal division
26
GSW
O Gain switch
27
VM
-
Power supply for driver division
28
RNF
O Resistance connection pin for output current sense
29
-
Connect to ground
30
-
Connect to ground