Direct Communications- PC to PLC

Direct Communications: when your PC is connected to a PLC by the proprietary programming cable as shown below.

Note that M90/91 PLCs comprise serial ports.

M90/91 4-wire Programming Cable Pin-out

PC Adapter MJ10-22-CS25

 

PLC programming port

PC signals

D-Type 9 pin, female

RJ11

 

RJ11

Controller signals

 

DTR (out)

4

1

 

6

DSR (in) 

Unused

GND

5

2

 

5

GND 

 

TXD (out)

3

3

 

4

RXD (in) 

 

RXD (in)

2

4

 

3

TXD (out)

 

GND

5

5

 

2

GND

 

DSR (in)

6

6

 

1

DTR (out) 

Unused

Note

The 4-wire programming cable supplied with the controller connects pins 2,3,4,5 to pins 5,4,3,2 respectively.

 

Jazz PLCs must be installed with an add-on port module, available by separate order, in order to provide a connection point for the programming cable. An example of such modules is the MJ20-PRG, which is included in the Jazz Programming kit JZ-PRG.

Jazz 6-wire Programming Cable Pin-out

PC Adapter MJ10-22-CS10

 

Jazz programming port MJ20-PRG

PC signals

D-Type 9 pin, female

RJ11

 

RJ11

Controller signals

DTR(out)

4

1

 

6

PWR (in) 

GND

5

2

 

5

GND

TXD(out)

3

3

 

4

RXD (in)

RXD (in)

2

4

 

3

TXD (out)

GND

5

5

 

2

GND

RTS (out)

7

6

 

1

PWR (in) 

Note

The 6-wire programming cable, MJ20-CB200, supplied with the programming kit JZ-PRG connects pins1,2,3,4,5,6 to pins 6,5,4,3,2,1 respectively.