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Hypertherm MicroEDGE Pro Shape Cutting Control Rev.2 User Manual

Page 148

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Maintenance and diagnostics

4-52

MicroEDGE Pro

Instruction Manual 807290

Connector j7 (

to front panel on/off switch

)

Pin no. Signal

1

Ground

2

12 V

3

Motherboard on/off 2

4

Motherboard on/off 1

Connector j9 (

to and from Motherboard and

power distribution

)

Pin no. Signal

1

Field power

2

Not connected

3

Ground

4

Motherboard on/off 2

5

Motherboard on/off 1

Connector j8 (Serial port A, CoM3)

Pin no. Signal

1

Not connected

2

Transmit A-

3

Receive A-

4

Transmit A+

5

Signal ground 1

6

Not connected

7

Receive A+

8

Not connected

9

Not connected

Connector j12 (Serial port B, CoM4)

Pin no. Signal

1

Not connected

2

Transmit B-

3

Receive B-

4

Transmit B+

5

Signal ground 2

6

Not connected

7

Receive B+

8

Not connected

9

Not connected

Connector j4 (

Remote on/off

)

Pin no. Signal

1

Remote on/off +

2

Remote on/off -

3

Common

4

12 V

5

Shield

Connector j3 (

To Serial COM3 and COM4

)

Pin no. Signal

1

Ground

2

DR_A

3

/RXD_INA

4

TS_A

5

TXD_OUTA

6

TS_A

7

DR_A

8

Ground

9

Ground

10

Not connected

11

Ground

12

DR_B

13

/RXD_INB

14

TS_B

15

TXD_OUTB

16

TS_B

17

DR_B

18

Ground

19

Ground

20

Not connected