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Communication – Elmo SERVO AMPLIFIER DBP SERIES User Manual

Page 17

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16

DBP - Rev 6/93

COMMUNICATION

-15V

DZ13v

300

0.1MF

0.1MF

+15V

DZ13v

300

+5v

DS9

RS232-OFF

-V

1

DY

7

RA

5

GND

4

RTC

6

RY

3

DA

2

+V

8

U115

SN75155

+5v

5

2

3

4

TRANSMIT

RECEIVE

GND

+5V

RS232

7

6

T/R-

RS485

+5v

0.1MF

VCC

8

B

7

A

6

GND

5

D

4

DE

3

RE

2

R

1

U114

SN75LS176

1K

RS485-ON

R119

*

9

8

T/R+

1

TRANSMIT/

RECEIVE CONTROL

1K

RS485/RS232

R119 - LINE TERMINATION RESISTOR, USED ON BOTH ENDS OF LONG LINES. NORMALLY NOT MOUNTED.

*

* R802

* R802 - SMD RESISTOR. NORMALLY NOT MOUNTED

Notes:

120

ohm