Avalue EBM-BYT Manual do Utilizador descarregar pdf (Página 23)

User’s Manual

EBM-BYT User’s Manual

23

2.3.9 Serial port 1 connector (COM1)

RS-232 Mode

Signal

PIN

PIN

Signal

NDCDA#_485TXN

1

6

NDSRA#

NRXDA_485TXP

2

7

NRTSA#

NTXDA_485RXP

3

8

NCTSA#

NDTRA#_485RXN

4

9

NRIA#

GND

5

RS-422 Mode

Signal

PIN

PIN

Signal

485TXN

1

6

NC

485TXP

2

7

NC

485RXP

3

8

NC

485RXN

4

9

NC

GND

5

RS-485 Mode

Signal

PIN

PIN

Signal

485TXN

1

6

NC

485TXP

2

7

NC

NC

3

8

NC

NC

4

9

NC

GND

5

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 74 75

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