mc2100 rev engrd

1
motor CB micro Pin 17 RC's = 0.07 sec (poorly matched due to electrolytics) micro Pin 19 (clk 2) FLOATING +5V R3 2k R10 100k HD2 pin 4 R24 511K 1% R26 511K 1% C16 4.7 @ 16 Q5 2N4401 .75 Vce sat 2 1 6 4 D8 10v 1N474 micro Pin 4 R32 1% 0.01 1W C18 0.01 C17 100 @ 16 100 @16V + 6 3 U1 F817 U2 F817 HD2 pin 7 INS pin 1 INS pin 2 INS pin 3 1500 @200V Earth GND random phase trigger 0.001 C4 C12 0.01 C6 DB1 MOV N For Rev Incline motor 0.1 0.1 1 2 4 6 TD3043 1 2 4 6 TD3043 TB086 TB086 + 27K 1W U4 TD3052 3.3K 7W D7 Q1 S4025L D9 R17 522 1% R14 Q6 2N4403 M+ M- D13 HFA15 Q2 IRFP250 C5 U5 MIC4227 R29 100 R30 100 micro Pin 8 R21 100 main CB R1 10 15000 @16V + C2 RG2 78L05 HD2 pin 2 C21 0.1 1 2 4 3 1 2 4 3 R2 22 HD2 pin 3 NEAR Earth GND RG1 78L05 C7 0.1 R41 1k R39 10k D10 1N414 R40 100K micro Pin 12 (IF MICRO HANGS, CHARGE PUMP STOPS AND ac GOES OFF) C15 .1? R27 10K R22 91k R23 15K 1% R25 15K 1% C13 4.7 @ 16 C14 4.7 @ 16 micro Pin 3 2 3 1 FLOATING +5V C11 0.1 micro Pin 20 +5V C10 10 + micro Pin 1 micro Pin 2 R4 1k micro Pin 14 micro Pin 1 pot analog V (max speed cal adj) Pin 2 opto sense of data from console Pin 3 motor +V sense Pin 4 motor current sense analog sig Pin 5 Base of Q3 Pin 6 1N914 drive to LED & Tach Pin 7 AC power Voltage sense Pin 8 FET PWM drive to driver Pin 9 PGM HDR pin 4 & Cath of LED Pin 10 GND Pin 11 PGM HDR pin 5 direct Pin 12 Deadman clock to AC enable SCR charge pump Pin 13 opto console-sense: possible drive override Pin 14 Opto drive for data to console Pin 15 PGM HDR pin 3 direct & Collector of Q3 Pin 16 n.c. Pin 17 motor -V sense Pin 18 clk 1 sensing PGM HDR pin 1 via 100K divider Pin 19 clk 2 from tach Pin 20 +5V +5V FLOATING micro Pin 5 R8 1k R5 520 C23 ? HD8 pin 1 2 3 4 5 HD7 pin 1 (tach reed sw) 2 R18 100k R19 100k micro Pin 18 (clk 1) C3 0.01 R6 1k R7 100k micro Pin 9 R16 2k R20 1k micro Pin 11 micro Pin 15 R15 4700 C22 .001 D11 1N914 micro Pin 6 micro Pin 13 micro Pin 7 R13 2.4k R12 6.2k micro Pin 1 analog IN Pin 2 analog IN/OUT Pin 3 analog IN/OUT Pin 4 analog IN Pin 5 Switch mode pump OUT Pin 6 port 1-7 Pin 7 port 1-5 Pin 8 port 1-3 Pin 9 port 1-1 / SCLK Pin 10 GND Pin 11 port 1-0 SDAT Pin 12 port 1-2 Pin 13 port 1-4 Pin 14 port 1-6 Pin 15 ext rset Pin 16 analog IN Pin 17 analog IN/OUT Pin 18 analog IN/OUT Pin 19 analog IN Pin 20 V+ R33 7.5 R34 7.5 HD2 pin 6 HD2 pin 5 HD2 pin 1,8 2 KHz rep rate 20 usec pulse 60 usec fixed period 4 usec ON => slowest 0.25 uSec step resolution HEADER 2 Pin 1 BLK GND Pin 2 RED Pin 3 GRN Pin 4 BLUE PWM from console Pin 5 ORNG Pin 6 YELL Pin 7 VIOL Pin 8 BLK 50 msec fixed period 8 msec ON => slowest 25 msec ~ half speed

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Schematic of MC2100 treadmill control board

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Page 1: MC2100 Rev Engrd

motorCB

microPin 17

RC's = 0.07 sec(poorly matcheddue to electrolytics)

micro Pin 19(clk 2)

FLOATING +5V

R32k

R10100k

HD2pin 4

R24511K 1%

R26511K 1%

C164.7@ 16

Q5 2N4401.75 Vce sat

2

1 6

4

D8 10v1N474

microPin 4

R32 1%0.01 1W

C180.01

C17100@ 16

100@16V

+

6

3

U1 F817

U2 F817

HD2pin 7

INSpin 1

INSpin 2

INSpin 3

1500@200V

Earth GND

randomphasetrigger

0.001

C4

C12

0.01C6DB1

MOV

N

ForRev

Inclinemotor

0.10.1

1

2

4

6TD3043 1

2

4

6TD3043

TB086TB086

+27K1W

U4TD3052

3.3K7W

D7

Q1 S4025L

D9

R175221% R14

Q62N4403

M+

M-

D13HFA15

Q2IRFP250

C5

U5MIC4227

R29 100

R30 100

micro Pin 8

R21 100

mainCB

R110

15000@16V

+C2

RG278L05

HD2pin 2

C210.1 1

2

4

3

1

2

4

3

R222

HD2pin 3

NEAR Earth GND

RG178L05

C70.1

R411k

R3910k

D101N414

R40100K

micro Pin 12(IF MICRO HANGS,CHARGE PUMP STOPSAND ac GOES OFF)

C15.1?

R2710K

R2291k

R2315K 1%

R2515K 1%

C134.7@ 16

C144.7@ 16

microPin 3

2

3 1

FLOATING +5V

C110.1

microPin 20+5V

C1010

+

microPin 1

microPin 2

R41k

microPin 14

microPin 1 pot analog V (max speed cal adj)Pin 2 opto sense of data from consolePin 3 motor +V sensePin 4 motor current sense analog sigPin 5 Base of Q3Pin 6 1N914 drive to LED & TachPin 7 AC power Voltage sensePin 8 FET PWM drive to driverPin 9 PGM HDR pin 4 & Cath of LEDPin 10 GND

Pin 11 PGM HDR pin 5 directPin 12 Deadman clock to AC enable SCR charge pumpPin 13 opto console-sense: possible drive overridePin 14 Opto drive for data to consolePin 15 PGM HDR pin 3 direct & Collector of Q3Pin 16 n.c.Pin 17 motor -V sensePin 18 clk 1 sensing PGM HDR pin 1 via 100K dividerPin 19 clk 2 from tachPin 20 +5V

+5VFLOATING

microPin 5

R8 1k

R5520

C23 ?

HD8 pin 1 2 3 4 5

HD7 pin 1(tachreed sw)

2

R18100k

R19100k

micro Pin 18(clk 1)

C30.01

R61k R7

100k

micro Pin 9

R162k

R201k

microPin 11

microPin 15

R154700

C22.001

D111N914

microPin 6

microPin 13

microPin 7

R132.4k

R126.2k

microPin 1 analog INPin 2 analog IN/OUTPin 3 analog IN/OUTPin 4 analog INPin 5 Switch mode pump OUTPin 6 port 1-7Pin 7 port 1-5Pin 8 port 1-3Pin 9 port 1-1 / SCLKPin 10 GND

Pin 11 port 1-0 SDATPin 12 port 1-2Pin 13 port 1-4Pin 14 port 1-6Pin 15 ext rsetPin 16 analog INPin 17 analog IN/OUTPin 18 analog IN/OUTPin 19 analog INPin 20 V+

R337.5

R347.5

HD2pin 6

HD2pin 5

HD2pin 1,8

2 KHz rep rate20 usec pulse

60 usec fixed period4 usec ON => slowest0.25 uSec step resolution

HEADER 2Pin 1 BLK GNDPin 2 RED Pin 3 GRN Pin 4 BLUE PWM from consolePin 5 ORNGPin 6 YELLPin 7 VIOLPin 8 BLK

50 msec fixed period8 msec ON => slowest25 msec ~ half speed