10
Service Manual
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DC 4Q A Series
The figure below shows the view of the converter terminals.
M1 Signal terminal 10 pins "type GMST 2,5/10-G-5,08"
M2 Signal terminal 5 pins "type MC 1,5/5-ST-3,81"
POWER Terminals 4 pins "type GMST 2,5/4-G-5,08"
On the test point "TEST" you can see the signal of velocity speed. The output from 0 to + /-8V is from
zero to maximum speed. At this point you can analyze the signal when you enable one of the following
velocity feedback.
• Encoder
• Armature
• Tachogenerator
Power connector
2.0 Signals input and output
NOTE: See also the connection diagrams in Chapters 4.1 - 4.2 - 4.3
POWER
+HV (IN)
Positive Power supply input
GND (IN)
Negative Power Supply input (GND)
+MOTOR (OUT)
Motor connection phase +M
-MOTOR (OUT)
Motor connection phase -M
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