DRIVE SETUP
79
Avoiding Analog Signal Ground Noise
Figure 20: Analog Signal Ground Noise
Serial Link Connections
Figure 21: Serial Link Connections
RefOut -
Common
GND
MAGNETEK
DSD-412
DC DRIVE
CAR
CONTROLLER
PLC
Differential
Input
Circuit
Common
Vnoise
TB1
(68) +
(63) -
(66,70) com.
(69) shld
(44 OR 43)
(TB11) GND
Twisted & Shielded
N.C.
at PLC end
Proper connections.
Noise current does not flow through signal wires or shield.
Common mode voltage noise is rejected at differential reciever.
1
6
2
7
3
8
4
9
5
+5V
CIRCUIT
COMMON
RX+
RX-
TX+
TX-
RS-422
J1
DB-9
1
2
3
4
5
6
J2
RJ-12
TXD
RXD
+5V
CIRCUIT
COMMON
RS-232
Содержание DSD 412
Страница 1: ...DSD 412 DC Elevator Drive Technical Manual CS00407 rev 06...
Страница 6: ...6...
Страница 102: ...MAINTENANCE 102 Figure 24 Connector and E prom Locations...
Страница 103: ...MAINTENANCE 103 Figure 25 Test Point Locations...
Страница 115: ...OUTLINE DRAWING 100A 115 Figure 26 Drive Chassis Outline DSD 412 100 Amp...
Страница 116: ...OUTLINE DRAWING 190A 116 Figure 27 Drive Chassis Outline DSD 412 195 Amp...
Страница 117: ...OUTLINE DRAWING 300A 117 Figure 28 Drive Chasis Outline DSD 412 300 Amp...
Страница 118: ...LAYOUT DRAWING 100A 118 Figure 29 Layout DSD 412 100 Amp A3 A1 A2 A2 L1 NEG GND L2 L3 POS...
Страница 119: ...LAYOUT DRAWING 195A 119 Figure 30 Layout DSD 412 195 Amp A3 A1 A2 A2...
Страница 120: ...LAYOUT DRAWING 300A 120 Figure 31 Layout DSD 412 300 Amp A3 A1 A2 A2...
Страница 121: ......