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6.5.5RS485 Communication wiring

RS 485 COMMUNICATION

JC

 

 

9

5

 

8

4

 

7

3

COMPUTER

6

2

T/R-

 

1

T/R+

AMP. No 1

 

NOTES:

 

 

1. SHIELDING MUST BE CONNECTED AT COMPUTER END ONLY

 

2. PIN No.1 TRANSMIT/RECEIVE CONTROL

 

3. PIN No.4 +5V

 

SYMBOLS:

 

 

 

TWISTED PAIR

 

 

SHIELDING

 

DBP - Rev 6/93

Page 79
Image 79
Elmo DBP SERIES manual RS 485 Communication, 5 RS485 Communication wiring