Omron CPM1 Programming Manual

31
Pulse Output Function (CQM1 Only) Section 1-3
The following diagram shows the frequency of pulse outputs from port 2 as
the program is executed.
Example 6: ACC(––)
Mode 2
The following example shows mode 2 of ACC(––) used decrease the fre-
quency of a pulse output from port 1. The 2-kHz pulse output is already in
progress in independent mode and stops automatically when the number of
pulses is reached.
The following diagram shows the frequency of pulse outputs from port 1 as
the program is executed.
Note The pulse output can be stopped by executing ACC(––) mode 2 with a target
frequency of 0, but the pulse output cannot be stopped at the correct number
of pulses, so this method should not be used except for emergency stops.
Example 7: ACC(––)
Mode 3
The following example shows mode 3 of ACC(––) used decrease the fre-
quency of a pulse output from port 1. The 20-kHz pulse output is already in
progress in continuous mode.
Frequency
Time
20 kHz
00001
goes ON
1 kHz
About 500 Hz/4 ms
00000
goes ON
DM 0000 0050
DM 0001 0001
@ACC(––)
002
001
DM 0000
When 00000 goes ON, ACC(––) begins deceler ating the
port 1 pulse output at about 500 Hz/4 ms until it reaches the
target frequency of 10 Hz.
00000
Frequency
Time
2 kHz
Specified number
of pulses output
1 kHz
About 500 Hz/4 ms
00000
goes ON
DM 0000 0100
DM 0001 0500
@ACC(––)
003
001
DM 0000
When 00000 goes ON, ACC(––) begins deceler ating the
port 1 pulse output at about 1 kHz/4 ms until it reaches the
target frequency of 5 kHz.
00000

Omron CPM1 Specifications

General

Model	CPM1
Manufacturer	Omron
Instruction Set	Basic and advanced instructions
Power Supply	100 to 240 VAC or 24 VDC
Communication	RS-232C
I/O Points	10, 20, 30, or 40 points depending on the model
Timers	Yes, multiple timers available
Counters	Yes, multiple counters available
Input Voltage	24V DC
Output Type	Relay or transistor
Number of I/O Points	10, 20, 30, 40
Communication Ports	RS-232C (optional)
Operating Temperature	0°C to 55°C
Storage Temperature	-20°C
Humidity	10% to 90% (non-condensing)
Dimensions	Varies depending on the model
Weight	Varies depending on the model
Program Memory	2048 steps (2K steps)