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Input/output Interface Internal Circuit - Mitsubishi Electric QD70D4 User Manual

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3 SPECIFICATIONS AND FUNCTIONS

3.4.4 Input/output interface internal circuit

Input/output
External wiring
class
Input
24VDC*
Output
*1: Connection to the 24V DC input common (COM) is available from either the positive or negative side.
*2: The input common (COM) has internal connections for axes 1 to 4 and 5 to 8.
*3: To the Speed-position switching signal/Retry switch signal (CHG/RTRY), both switches for CHG and RTRY can be
connected.
Pay special attention to prevent the both switches from turning on at the same time.
3 - 12
Shows summary image of the internal circuit of the interface for connection to external
devices of the QD70D.
Pin No.
A3
A5
A2
1
A6
A7
A9
A10
A15
A16
A19
A17
A18
A20
A13
A14
Internal circuit
6.8k
1/3W
580
1/16W
6.8k
1/3W
580
1/16W
6.8k
1/3W
580
1/16W
390
1/3W
1.8k
1/16W
MELSEC-Q
Signal name
Near-point dog signal
Speed-position
switching signal/Retry
3
switch signal *
2
Common *
Zero signal
Zero signal common
Pulse output F +
Pulse output F -
Pulse output F common PULSE F COM
Pulse output R +
Pulse output R -
Pulse output R common PULSE R COM
Deviation counter clear
Deviation counter clear
common
DOG
CHG/RTRY
COM
PG0
PG0 COM
PULSE F+
PULSE F-
PULSE R+
PULSE R-
CLEAR
CLEAR COM
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