Omron CP1H CPU Operation Manual page 318

Cp1h cpu unit

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Pulse Outputs

HIGH-SPEED COUNTER

PV READ: PRV(881)

In addition to its interrupt and high-speed counter functions, PRV(881) can be

used to read the pulse output PV or pulse output status information.

The status of the following flags is read as status information:

• Pulse Output Status Flag

• PV Underflow/Overflow Flag

• Pulse Output Amount Set Flag

• Pulse Output Completed Flag

• Pulse Output Flag

• No-origin Flag

• At Origin Flag

• Pulse Output Stopped Error Flag

P: Port specifier

C: Control data

D: First destination word

This section explains the functions related to pulse outputs only. For details on

the PRV(881) instruction's high-speed counter or interrupt functions, refer to

5-1 Interrupt Functions or 5-2 High-speed Counters.

Port specifier

Control data

#0000: Pulse output 0

#0001: Pulse output 1

#0002: Pulse output 2

#0003: Pulse output 3

#1000: PWM output 0

#1001: PWM output 1

#0000: Read the PV.

#0001: Read the status.

#0003: Read the pulse output frequency.

#0013: Read the frequency for 10-ms sampling.

#0023: Read the frequency for 100-ms sampling.

#0033: Read the frequency for 1-s sampling.

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