!
47
• When a 24-VDC Power Supply is Used
CQM1-CPU43-EV1
(Do not share the power supply with other I/O.)
Motor driver (for 5-V input)
Example: R = 220Ω
CCW
input
CW
input
Twisted-pair wire
24-VDC
power
supply
Approx.
12 mA
1.6 kΩ
1.6 kΩ
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.
12 mA
(+)
(–)
(+)
(–)
Note In this example, in order to use a 5-V input motor driver with a 24-VDC power
supply, the CQM1 internal resistance (1.6 kΩ) is used. Be careful with regard to
the drive current at the motor driver.
Caution Be careful when connecting the power supply inputs for the output section. If
both 5-VDC and 24-VDC power supplies are provided, and if they are acciden-
tally reversed, the CPU Unit and the power supply may be damaged.
For the pulse output, connect a 7-mA to 30-mA load. (If using a load smaller than
7 mA, install a bypass resistor.)
Two 1.6-kΩ (1/2 W) resistors are built into the internal circuitry (pin numbers 13
and 14) for the pulse output. Use either one of the following outputs, to conform
with the power supply, motor driver, and so on, that are used.
Open Collector Output Open Collector Output with
1.6-kΩ Series Resistance
Output
7 to 30 mA
Output transistor
Output
7 to 30 mA
Output transistor
Unit Specifications
Section 2-6