Shanghai STEP Electric corporation
Inverter wirin
g
.6.2.3 Terminal Functions of SIN/COS
PG Card for Synchronous Motors
he terminal functions of the SIN/COS PG card for synchronous motors are listed in Table
4
T
4.9.
Table 4.9 Terminal functions of SIN/COS PG card for synchronous motors
Name
Symbol
Function
Specification
FA
Open collector output
FB
Open collector output
Open collector output of crystal triodes: max. voltage
27VDC, max. current 5
uency 100kHz. The
frequency division coefficient may be set through Function
0mA, max. freq
Code E15.
0V GND
Open
collector
output
Shielded ground
A+,A-
the
ncoder
SIN signals of
e
COS signals of the
encoder
B+,B-
Z signals of the
encoder
R+,R-
C+,C-
SIN signals of the
als of the
Differential signals: max. input frequency 100kHz;
SIN/COS encoder shall have 2048 pulses for each turn.
D+,D-
COS sign
Shielded ground
V+
+5V or +5.3VDC, max. output current 500mA. Select
through S1.
+5V or +5.3V
+5V
S1
2
1
3
+V
+5.3V
Encoder
input
0V
+5V or +5.3V GND
Note: + 5.3V power supply may be used to enhance the signals when heavy voltage drop
is caused by the long connection line between the encoder and the PG card.
4-
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