Overview X1-X7

Terminal

Pin

Meaning

Connection

X1

1

Supply voltage +24V DC

Power supply

2

Supply voltage +24V DC

3

Power supply GND

4

Power supply GND

X2

1

TxD-b

COM1 serial interface

RS-422/RS-485

2

TxD-a

3

RxD-b

4

RxD-a

5

TxD-b'

6

TxD-a'

7

RxD-b'

8

RxD-a'

9

TxD > Output

COM1 RS-232 serial DTE interface

10

RxD < Input

11

RTS > Output

12

CTS < Input

13

GND

X3

1

TxD-b

COM2 serial interface

RS-422/RS-485

2

TxD-a

3

RxD-b

4

RxD-a

5

TxD-b'

6

TxD-a'

7

RxD-b'

8

RxD-a'

9

TxD > Output

COM2 RS-232 serial DTE interface

10

RxD < Input

11

RTS > Output

12

CTS < Input

13

GND

X4

USB interface, connection type A

USB0 Ex-i

X5

1

VCC

USB1 Ex-e

2

USB -

3

USB +

4

GND

X6

1

VCC

USB2 Ex-i

2

USB -

3

USB +

4

GND

5

GND

X7

1

VCC

USB3 Ex-e

2

USB -

3

USB +

4

GND