Electrical installation, Wiring and configuration mc−isi, Wiring com a (rs232) – Lenze MC−xxx Card User Manual

Page 31

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Electrical installation

Wiring and Configuration

MC−ISI

4

l

31

BA_MC−Card EN 1.0

Wiring

COM A (RS232):

Pin assignment

Description

Connection type

Cable type

1

6

Pin 1: DCD
Pin 2: RXD
Pin 3: TXD
Pin 4: DTR
Pin 5: GND
Pin 6: DSR
Pin 7: RTS
Pin 8: CTS
Pin 9: RI

9−pole Sub−D plug

Control cable

MC−CAN−003

1 DCD

2 RXD

3 TXD

4 DTR

5 GND

6 DSR

7 RTS

8 CTS

9 NC

1 DCD

2 RXD

3 TXD

4 DTR

5 GND

6 DSR

7 RTS

8 CTS

9 NC

COM A

RS232

xxx

MC−ISI_005

COM B (RS422/485):

Pin assignment

Description

Connection type

Cable type

1

6

Pin 1: NC
Pin 2: TXD+
Pin 3: RXD+ (Data+)
Pin 4: NC
Pin 5: GND
Pin 6: NC
Pin 7: TXD−
Pin 8: RXD− (Data −)
Pin 9: NC

9−pole Sub−D plug

Control cable

MC−CAN−003

1 NC

2 TXD+

3 RXD+

4 NC

5 GND

6 NC

7 TXD-

8 RXD-

9 NC

1 NC

2 TXD+

3 RXD+

4 NC

5 GND

6 NC

7 TXD-

8 RXD-

9 NC

RS422

(4-wire)

RS485

(2-wire)

COM B

COM B

xxx

xxx

1 NC

2 TXD+

3 RXD+

4 NC

5 GND

6 VCC

7 TXD-

8 RXD-

9 NC

1 NC

2 TXD+

3 RXD+

4 NC

5 GND

6 VCC

7 TXD-

8 RXD-

9 NC

MC−ISI_006

)

Note!

The terminating resistor at the physically first and last node must be activated
(

30).

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