Siemens KDN Series Spezifikationen PDF herunterladen (Seite 141)

4 Communication settings and guide of HMI connecting with controller

（1） Setting ID of Profibus by switching 8-bit Dip(DIP1 is lowest bit, DIP8 is highest bit),range is from 3

to 125;

ID must be the same as its configuration in Siemens software. As above picture for example, setting is “3”,

that the switch DIP1 and DIP2 on the panel of profibus are set ON, others are OFF.

（2）Profibus support baudrate as follows: 9.6Kbit/s, 19.2Kbit/s, 45.45Kbit/s, 93.75Kbit/s, 187.5Kbit/s,

0.5Mbit/s, 1.5Mbit/s, 3Mbit/s, 6Mbit/, 12Mbit/s，and interface is automatically adaptive.

（3）A cable (purple),connect DP interface of s7-300 and bus bridge of profibus. Two sides have active

terminal resistors; Switch on the s7-300 PLC is off, on the busbridge is on.

（ 4） Setting baudrate of modbus by switching DIP1-3 of modbus ID port, support 8 kinds of

baudrate .Setting as follows:

1 2 3 Baud

OFF OFF OFF 1200

ON OFF OFF 2400

OFF ON OFF 4800

ON ON OFF 9600

OFF

19200

OFF

38400

OFF ON ON 57600

115200

（5）Setting station number of modbus by switching DIP4-8 of modbus ID port ,support 1 to 30 kinds of

station number(DIP4 is lowest bit,DIP8 is highest bit, if DIP4 is on and DIP5~8 is off, it means station

number is 00001,that is No. 1 station).

◎Cable Diagram

RS232 communication cable

HMI terminal

9pin D-SUB female\male

Controller Modbus port terminal

9 pin D-SUB (male)

com2

3 TX

2 RX

5 GND

8 TX

7 RX

5 GND

com0/com1

3 TXD

2 RXD

5 GND

RS485-4 communication cable

HMI terminal

9pin D-SUB female\male

Controller Modbus port terminal

9 pin D

-SUB (male)

6 TD-

8 RD-

5 GND

1 TD+

9 RD+

1 RD-

TD-

5 GND

6 RD+

9 RD+

com0/com1

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1 2 ... 136 137 138 139 140 141 142 143 144 145 146 ... 381 382

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