82 Electrical installation: input / output
Hall input circuit - U phase shown:
Encoders without Halls
Incremental encoders without Hall feedback connections can be connected to the
MicroFlex e150. However, if Hall connections are not present, it will be necessary for
the MicroFlex e150 to perform an automatic phase search sequence each time it is
powered. This will cause motor movement of up to 1 turn on rotary motors, or one
pole-pitch on linear motors.
Encoder cable connections without Halls - rotary motors:
+5V
MicroFlex e150
Hall U+
Hall U-
6
5
13
DGND
to CPU
X8
MAX3096
Differential
line receiver
CHA+
CHA-
CHB+
CHB-
CHZ+ (INDEX)
CHZ- (INDEX)
+5 V out
DGND
Sense
1
9
2
10
3
11
12
13
4
X8
Encoder
Feedback
Motor
Twisted pairs
Connect overall shield to
connector backshells
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