3

3

2

2

1

1

B

B

A

A

(Normally Open Switches)

10 - VCC

9 - HALF/FULL

8 - GND

7 - STEP

6 - GND

5 - DIR

4 - GND

3 - SYNC

2 - VCC

1 - ENABLE

DESIGNED BY ALPER YILDIRIM

1

MAXIMUS CONTROL BOARD

A4

1

1

Saturday, March 29, 2003

Title

Size

Document Number

Rev

Date:

Sheet

of

SW5

SW3

SW5

SW2

SW3

SW1

SW4

SW2

SW6

SW4

SW6

SW1

ENABLE-Z

DIR-Z

STEP-Z

MODE-Z

MODE-X
STEP-X
DIR-X
ENABLE-X
MODE-Y
STEP-Y
DIR-Y
ENABLE-Y

SYNC

SW[1..6]

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC VCC

VCC

U3

PIC16F877

1

2
3
4
5
6
7

8

9

10

11

12

13

14

15

16

17

18

19
20
21
22

23

24

25

26

27
28
29
30

31

32

33
34
35
36
37
38
39
40

MCLR/Vpp

RA0/AN0
RA1/AN1
RA2/AN2
RA3/AN3/VREF
RA4/TOCKI
RA5/AN4/SS

RE0/RD/AN5

RE1/WR/AN6

RE2/CS/AN7

VDD

Vss

OSC1/CLKIN

OSC2/CLKOUT

RCO/T1OSO/T1CKI

RC1/T1OSI/CCP2

RC2/CCP1

RC3/SCK/SCL

RD0/PSP0
RD1/PSP1
RD2/PSP2
RD3/PSP3

RC4/SDI/SDA

RC5/SDO

RC6/TX/CK

RC7/RX/DT

RD4/PSP4
RD5/PSP5
RD6/PSP6
RD7/PSP7

Vss

VDD

RBO/INT

RB1
RB2
RB3
RB4
RB5
RB6
RB7

C1

47uF

R2
10K

D1

1N4001

1

2

U1
L7805/TO220

1

3

2

VIN

GND

VOUT

Y1

20MHz OSC

14

8

7

VCC

OUT

GND

JP10

PWM_OUT

1
2

U4

MAX232

13

8

11
10

1
3
4
5
2
6

12
9

14

7

16

15

R1IN
R2IN

T1IN
T2IN

C+
C1-
C2+
C2-
V+
V-

R1OUT
R2OUT

T1OUT
T2OUT

VCC

GND

JP2

LIMIT SW2

1

2

JP6

LIMIT SW6

1

2

JP4

LIMIT SW4

1

2

JP5

LIMITSW5

1

2

JP3

LIMIT SW3

1

2

JP1

LIMIT SW1

1

2

C

R1

10K SIP 7

1

2
3
4
5
6
7

C2

1uF

C5
1uF

C3

1uF

C4

1uF

JDR1

DSUB 9-FEMALE

5

9

4

8

3

7

2

6

1

5

9

4

8

3

7

2

6

1

J1

DC JACK

1
2

SW1

RESET MCU

U2B

74HC21

9

10

12

13

8

14

7

JP9

10 MALE IDC (Y-Axis)

1

2

3

4

5

6

7

8

9

10

JP8

10 MALE IDC (X-Axis)

1

2

3

4

5

6

7

8

9

10

JP7

10 MALE IDC (Z-Axis)

1

2

3

4

5

6

7

8

9

10

U2A

74HC21

1

2

4

5

6

14

7

INT

INT

MAXIMUS CONTROL BOARD Revised: Tuesday, October 28, 2003
DESIGNED BY ALPER YILDIRIM Revision: 1

Bill Of Materials October 28,2003 14:09:45

Page1

Item

Quantity

Reference

Part

______________________________________________

1

1

C1

47uF

2

4

C2,C3,C4,C5

1uF

3

1

D1

1N4001

4

1

JDR1

DSUB 9-FEMALE

5

1

JP1

LIMIT SW1

6

1

JP2

LIMIT SW2

7

1

JP3

LIMIT SW3

8

1

JP4

LIMIT SW4

9

1

JP5

LIMITSW5

10

1

JP6

LIMIT SW6

11

1

JP7

10 MALE IDC (Z-Axis)

12

1

JP8

10 MALE IDC (X-Axis)

13

1

JP9

10 MALE IDC (Y-Axis)

14

1

JP10

PWM_OUT

15

1

J1

DC JACK

16

1

R1

10K SIP 7

17

1

R2

10K

18

1

SW1

RESET MCU

19

1

U1

L7805/TO220

20

1

U2

74HC21

21

1

U3

PIC16F877

22

1

U4

MAX232

23

1

Y1

20MHz OSC