Communication – Elmo SERVO AMPLIFIER DBP SERIES User Manual
Page 17
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