Specifications Of Input/Output Interfaces With External Device; Electrical Specifications Of Input/Output Signals - Mitsubishi Electric MELSECQ Series User Manual

3 SPECIFICATIONS AND FUNCTIONS

3.4 Specifications of input/output interfaces with external device

3.4.1 Electrical specifications of input/output signals

Signal name
Zero signal (PG0)
Near-point dog signal
(DOG)
Speed-position switching
signal (CHG)
Signal name
Pulse output (CW/PULSE)
Pulse sign (CCW/SIGN)
Deviation counter clear
(CLEAR)
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Input specifications
Rated input Working voltage
voltage/current range
5VDC/18mA 4.5 to 5.5VDC
24VDC/5mA 19.2 to 26.4VDC
Output specifications
Rated load Working load
voltage voltage range
• Set the pulse output mode and pulse output logic selection in "intelligent function module switch setting"
(Refer to Section 5.6).
• The following are the relationships between pulse outputs depending on the "pulse output mode" and "pulse
output logic selection".
Pulse output
mode
Forward run
CW
CCW
PULSE
SIGN
The table next page shows the rising/falling edge time and duty ratio.
ON
OFF
tr
5 to 24VDC 4.75 to 30VDC
5 to 24VDC 4.75 to 30VDC
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ON voltage/ OFF voltage/
current
2.7VDC or more/ 1.0VDC or less/
5.5mA or more 0.5mA or less
ON
3μs or less
1ms or more
OFF
17.5VDC or
7VDC or less/
more/3mA or
0.9mA or less
more
Max. load
Max. voltage
current/rush
drop at ON
current
Pulse output logic selection
Positive logic
Reverse run
High Low
tf
50mA/1 point/
200mA 10ms or 0.5VDC (TYP)
less
0.1A/1 point/0.4A 1VDC (TYP)
10ms or less 2.5VDC (MAX)
MELSEC-Q
Input resistance
current
Ω
Approx. 270
3μs or less
Ω
Approx. 6.8k
Leakage current
at OFF
Negative logic
Forward run Reverse run
Low
0.1mA or less
0.1mA or less
(resistance load)
Response time
0.1ms or less
1ms or less
Response time
High
—
2ms or less
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