– 43 –
MD-MT88H/99H
1
MUTE
MUTE terminal at CH3. MUTE ON with "L".
2
IN3+
Input terminals on forward/reverse sides of CH3(digital input).
3*
NC
—
4*
NC
—
5*
NC
—
6
VG
Applies the supply voltage of the pre-drive unit. When VGOFF="L", the voltage on the booster circuit is
output to this terminal and it becomes the direct supply voltage of the pre-drive unit.
7
VCC1
Applies the analog-signal supply voltage.
8
IN3–
Input terminals on forward/reverse sides of CH3(digital input).
9
NC
—
10
NC
—
11
NC
—
12
MUTE1
MUTE terminal at CH1, 2, and 4. MUTE ON with "L".
13
IN1R
Input terminals on the forward/reverse side of CH3(digital input).
14
IN1F
Input terminals on the forward/reverse side of CH3(digital input).
15
PGND1
Power GND.
16
OUT1R
Output terminal on the reverse side of CH1.
17
BAT1
Power supply in the output section of CH1.
18
OUT1F
Output terminal on the forward side of CH1.
19
PGND2
Power GND.
20
OUT2R
Output terminal on the reverse side of CH2.
21
BAT2
Power supply in the output section of CH2.
22
OUT2F
Output terminal on the forward side of CH2.
23
PGND3
Power GND.
24
IN2F
Input terminals on the forward/reverse side of CH2(digital input).
25
IN2R
Input terminals on the forward/reverse side of CH2(digital input).
26*
VBATT/2MON
Power connection terminal in the output section that monitors the half of the power supply to the output
section. It monitors the output power with the digital servo to correct its dependency on the voltage.
27
VBATT
Power connection terminal in the output section.
28
S/S
START/STOP terminal. Starting with "H" and stopping with "L".
29
GND
Signal GND.
30
VCC2
Applies the logic-signal supply voltage.
31
CP1
Switching terminal on the booster circuit
32
CP2
Terminal to which the rectifying transistor on the booster circuit is connected.
33
CP3
Switching terminal on the booster circuit
34
CP4
Terminal to which the rectifying transistor on the booster circuit is connected.
35
VGOFF
ON/OFF switching terminal on the booster circuit. Booster circuit ON with "L". Booster circuit OFF with "H".
36
IN4R
Input terminals of the forward/reverse side of CH4(digital input).
37
IN4F
Input terminals of the forward/reverse side of CH4(digital input).
38
PGND6
Power GND
39
OUT4F
Output terminal on the forward side of CH4.
40
BAT4
Power supply in the output section of CH4.
41
OUT4R
Output terminal on the reverse side of CH4.
42
PGND5
Power GND.
43
OUT3F
Output terminal on the forward side of CH3.
44
BAT3
Power supply in the output section of CH3.
45*
OUT3R
Output terminal on the reverse side of CH3
46
PGND4
Power GND
47*
NC
—
48*
NC
—
Pin No.
Terminal Name
Function
IC601 VHi-1 :PWM Driver (LV8018W)
In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.
