Service manual

MD-MT831H/W
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Pin No.
Terminal Name
Function
1* PWIN2 Half bridge 2 input
2 IN1F Half bridge 1 forward input
3 IN1R Half bridge 1 reverse input
4 IN2F Half bridge 2 forward input
5 IN2R Half bridge 2 reverse input
6 H1PG2 Half bridge 1 power section GND 2
7 H1ROUT Half bridge 1 reverse output
8 H1VM Half bridge 1 power section power supply
9 H1FOUT Half bridge 1 forward output
10 H2PG1 Half bridge 1 power section GND 1
11 H2PG2 Half bridge 2 power section GND 2
12 H2ROUT Half bridge 2 reverse output
13 H2VM Half bridge 2 power section power supply
14 H2FOUT Half bridge 2 forward output
15 H2PG1 Half bridge 2 power section GND 1
16 BRK- Brake comparator input (-)
17 BRK+ Brake comparator input (+)
18 SPUIN SPIN detection comparator input (U phase)
19 SPVIN SPIN detection comparator input (V phase)
20 SPWIN SPIN detection comparator input (W phase)
21 SPCOM SPIN motor coil midpoint input terminal
22 SGND Small signal section GND (MOS)
23 ASGND Small signal section GND (Bip.)
24 SPPG2 Spindle power section GND 2
25 SPUOUT Spindle motor output (U phase)
26 SPVM2 Spindle power section power supply 2
27 SPVOUT Spindle motor output (V phase)
28 SPPG1 Spindle power section GND1
29 SPWOUT Spindle motor output (W phase)
30 SPVM1 Spindle power section power supply 1
31 CST Start oscillation capacitor connection terminal
32 CSL2 Slope capacitor connection terminal 2
33 CSL1 Slope capacitor connection terminal 1
34 FG FG output
35 IN4R Half bridge 4 reverse input
36 IN4F Half bridge 4 forward input
37 IN3R Half bridge 3 reverse input
38 IN3F Half bridge 3 forward input
39 H4PG1 Half bridge 4 power section GND1
40 H4FOUT Half bridge 4 forward output
41 H4VM Half bridge 4 power section power supply
42 H4ROUT Half bridge 4 reverse output
43 H4PG2 Half bridge 4 power section GND2
44 H3PG1 Half bridge 3 power section GND1
45 H3FOUT Half bridge 3 forward output
46 H3VM Half bridge 3 power section power supply
47 H3ROUT Half bridge 3 reverse output
48 H3PG2 Half bridge 3 power section GND2
49 VG Chargepump output
50* C2M CHARGEPUMP capacitor 2 connection terminal -
51* C2P CHARGEPUMP capacitor 2 connection terminal +
IC601 VHiBD6603KV-1: Drive Servo/Motor Control (BD6603KV) (1/2)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.