48
The built-in 1.6-k
Ω
resistors can be used as bypass resistors as shown in the
example diagram below. In this example, the output-section transistor current of
7 mA equals the load current of 4 mA plus the bypass current of 3 mA.
Approx. 4 mA
Approx. 4 mA
Approx.
7 mA
When load current
= approx. 4 mA
CQM1-CPU43-EV1
(Do not share the power supply with other I/O.)
Motor driver (for 5-V input)
CCW
input
CW
input
Twisted-pair wire
5-VDC
power
supply
Approx.
3 mA
1.6 k
Ω
1.6 k
Ω
24-VDC power
supply input
5-VDC power
supply input
CCW pulse
output
CW pulse
output
15
7
8
13
5
14
6
12
+
–
Approx.
3 mA
(+)
(–)
(+)
(–)
Approx.
7 mA
The pulse output section’s internal circuit transistor is off while pulse output is
stopped.
During pulse output
ON
OFF
Output transistor
2-6-4 ABS Interface Port (CQM1-CPU44-EV1)
Item
Specifications
Name
[ABS interface]
CQM1-CPU44-EV1 (built-in ABS interface type)
Input Voltage
24 VDC
+10%
/
–15%
Input Impedance
5.4 k
Ω
Input Current
4 mA typical
ON Voltage
16.8 VDC min.
OFF Voltage
3.0 VDC max.
Computation speed
4 kHz max.
Input code
Grey, binary (8, 10, 12 bits)
Unit Specifications
Section 2-6
