3.2 I/O Specifications and Terminal Wiring
3-5
Output terminal (line driver output type)
Pin no.
Circuit Signal name Items Description
1st/
3rd
axis
2nd/
4th
axis
A1 A10
Pulse output A:
Line driver (+)
Output specifications
Output type
Line driver
output
AM26C31
or equivalent
B1 B10
Pulse output A:
Line driver (-)
A2 A11
Pulse output B:
Line driver (-)
B2 B11
Pulse output B:
Line driver (-)
Output terminal (common)
Pin no.
Circuit Signal name Items Description
1st/
3rd
axis
2nd/
4th
axis
A7 A16
Deviation counter clear
Output specifications
Output type
Open
collector
Operating
voltage range
4.75 to 26.4
V DC
B7 B16 COM
Max. load
current
10 mA
ON-state
voltage drop
1.0 V
B5 B14 Servo ON
(Note): The deviation counter clear signal will be output for 1 ms on completion of home return control.
Power supply terminal (common)
Pin no. Circuit Signal name Items Description
A20
External power supply
input: 24 V DC (+)
Power supply specifications
Supply power
range
21.4 to 26.4
V DC
B20
External power supply
input: 24 V DC (-)
Current
consumption
4-axis type
90 mA max.
2-axis type
50 mA max.
(Note): In the case of the 4-axis type, the external power supply input terminals of the two connectors are connected
internally.
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