Specifications Of I/O Interfaces With External Devices; Electrical Specifications Of I/O Signals - Mitsubishi Electric MELSEC Q Series User Manual

3.5

Specifications of I/O Interfaces with External Devices

This section describes I/O interfaces between the QD73A1 and external devices.
3.5.1

Electrical specifications of I/O signals

This section describes electrical specifications of I/O interfaces between the QD73A1 and external devices.
(1) Input specifications
Signal name
Supply power Input common
Servo READY signal (READY)
Stop signal (STOP)
Near-point dog signal (DOG)
Upper limit signal (FLS)
Lower limit signal (RLS)
Speed-position switching command
signal (CHANGE)
(Open collector method)
Phase-A feedback pulse (PULSE A)
Phase-B feedback pulse (PULSE B)
Phase-Z feedback pulse (PULSE Z)
(TTL method)
Phase-A feedback pulse (PULSE A)
Phase-B feedback pulse (PULSE B)
Phase-Z feedback pulse (PULSE Z)
(Differential output method)
Phase-A feedback pulse (PULSE A)
Phase-B feedback pulse (PULSE B)
Phase-Z feedback pulse (PULSE Z)
*1 The following table shows the pulse width and phase difference depending on pulse frequency.
Pulse frequency Pulse width (duty ratio: 50%)
200kpulse/s or less
or more
1Mpulse/s or less
or more
40
Voltage
range/Current
consumption
5 to 24VDC/
Max.60mA
4.75 to 26.4VDC
10.8 to 14VDC
4.5 to 5.5VDC

5 s or more
2.5 s 2.5 s
or more
1 s or more
0.5 s 0.5 s
or more
ON ON
voltage current
  
3V or 2.5mA or
1V or lower
higher higher
4V or 2.7mA or
1V or lower
higher higher
2.8V or 0.8V or

higher lower
EIA standard
RS-422-A differential line receiver
(Equivalent of AM26LS32 (Manufactured by Texas
Instruments Inc.))
Phase difference
Phase A
Phase B
1.25 s or more
Phase A
Phase B
0.25 s or more
OFF OFF
voltage current
 
0.1mA or

lower
200kpulse/s or
0.1mA or
lower
less
200kpulse/s or

less
1Mpulse/s or
less
When the phase A leads the
phase B, the positioning
address (current value)
increases.
Pulse
frequency
*1
*1
*1