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Coolant sensor board pcb2, Coolant sensor board pcb2 -46 – Hypertherm HPR800XD Auto Gas Rev.2 User Manual

Page 260

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Maintenance

5-46

HPR800XD Auto Gas –

806500

coolant sensor board Pcb2

TP8

D

1

PWR GND

TP7

+24

V

TP21

TP22

+

15

V

15

V

+

5

V

S2

CA
N

SW
0

WD
I

SW
1

TP18

TP6

+

3.3

V

D

2

D

8

D

7

RX

TX

TP4

+

5

V

TP23

TP1

+A

3.3

V

TP16

TP10

TP3

TP17

TP15

RESET

TP2

TP9

control Pcb test points

Test point

number

Description

Test point

number

Description

TP1

A + 3.3 V

TP12

Digital ground

TP2

Analog ground

TP13

+ 3.3 V

TP3

Pressure sensor (for use in the future)

TP14

SCIRXD (RS422 transmit)

TP4

+ 5 V

TP15

Digital ground

TP6

+ 3.3 V

TP16

Analog ground

TP7

+ 24 V

TP17

Reset\

TP8

Power ground

TP18

Reset

TP9

Coolant flow sensor input

TP21

+ 15 V

TP10

Chiller flow input (for use in the future)

TP22

– 15 V

TP11

SCIRXD (RS422 receive)

TP23

Line voltage input

gas console control board lED list

LED

Signal name

Color

D1

+ 5 VDC

Red

D2

+ 3.3 VDC

Green

D7

CAN TX

D8

CAN RX