Manual

Resolver & Drive I/O Board 3-11
Figure 3.12 – Resolver & Drive I/O Block Diagram
BACKPLANE CONNECTOR
BUS
INTERFACE
AND
OUTPUT REFERENCE FREQUENCY SELECT 0 TO 31.25 kHZ
PROGRAMMABLE GAIN AMPLIFIER Av = 0 TO 255
ISOLATION TRANSFORMER 1 : 7.5 @
1.5 WATT
LED INDICATORS
FBK OK RPI MCR AUX IN1 AUX IN2 AUX IN3 AUX IN4 AUX IN5 AUX OUT
FEEDBACK CONNECTOR
REFERENCE OUT SIN w IN COSINE w IN EXTERNAL
TRIGGER IN
ANALOG IN
AC DIGITAL I/O CONNECTOR
RUN PERMISSIVE IN MCR OUT
(CONTACT CLOS.)
AUX OUT
(CONTACT CLOS.)
AUX IN 1 TO 5
DIGITAL I/O 115 VAC
CONTACT
CLOSURE OUTPUT
RPI / MCR TIMING
MCR
RPI
ANALOG INPUT SUBSYSTEM
12 BITS
AMPLITUDE AND PHASE DETECTION
INTERNAL REFERENCE
R TO D CONVERTER 14 BITS 72 RPS MAX
CABLE BALANCE CIRCUITS
RESOLVER REFERENCE
SINE/COSINE
FEEDBACK PHASE
VELOCITY SIN COS
ANALOG INPUT
ADDRESS / DATA / CONTROL BUS
BUFFER
+/- 3V
POWER SUPPLY SUBSYSTEM OPEN FUSE DETECTION
INTERNAL