
4-73
Example
:
To use the pulse input as a speed reference set the following parameters:
00=05=7, 03-0X=26
,
X=0–6 (except select 2), 03-31=pulse input frequency
03-32=100.0 (adjust as required)
Pulse input frequency is 200Hz, set 03-31=0.20kHz.
Example 1
:
Pulse input frequency is 200Hz (03-31=0.20), duty cycle is 50%, frequency upper limit is 50Hz (00-12=50.00), and
03-32=100.0. AC Drive reference frequency is 50% x 50.00=25.00Hz
Example 2
:
Pulse input frequency is 200Hz (03-31=0.20), duty cycle is 30%, frequency upper limit is 50Hz (00-12=50.00), and
03-32=200.0. AC Drive reference frequency is 30% x 50.00 x 2=30.00Hz
Example 3
:
Pulse input frequency is 200Hz (03-31=0.20), duty cycle is 15%, frequency upper limit is 599Hz (00-12=599.00), and
03-32=500.0. AC Drive reference frequency is 15% x 599.00 x 5.00=499.25Hz
Note:
The examples are based on the digital inputs set for NPN input configuration. To use PNP, the relationship between
duty cycle and AC Drive reference frequency is inverted, so 20% duty cycle translates to 80% AC Drive reference
frequency.
03-02 =26
: Pulse Input Frequency (Can only be used with Terminal S3)
The following parameters have to be set to use the Pulse Input Frequency function.
00-05=7
: Pulse with speed control
03-02=26
: Pulse input frequency
03-32=100.0 – 1000.0%
: pulse input gain setting
AC Drive reference frequency= (Pulse input frequency) x (03-28) Hz, reference frequency limit is the AC Drive
frequency upper limit
Example 1
:
Pulse input frequency is 20Hz, frequency upper limit is 50Hz (00-12=50.00), and 03-32=100.0, AC Drive reference
frequency is 20.00Hz.
Example 2
:
Pulse input frequency is 50Hz, frequency upper limit is 50Hz (00-12=50.00), and 03-32=100.0, AC Drive reference
frequency is 50.00Hz.
Example 3
:
Pulse input frequency is 55Hz, frequency upper limit is 50Hz (00-12=50.00), and 03-32=100.0, AC Drive reference
frequency is 50.00Hz.
Example 4
:
Pulse input frequency is 599Hz, frequency upper limit is 599Hz (00-12=599.00), and 03-32=20.0, AC Drive reference
frequency is 599 x 0.2 = 119.9Hz
Notes:
• Pulse Input frequency range is 0.05–25.00 kHz.
• Only terminal S3 can be used for pulse input.
Digital Inputs configured for PNP: (set switch JP1 to PNP)
The pulse output terminal (Y0) of PLC needs to connect to S3 terminal of AC Drive. The common terminal of the
pulse generator (e.g. PLC) output needs to be connected to the +24V terminal of the AC Drive.
Digital Inputs configured for NPN: (set switch JP1 to NPN)
The pulse output terminal (Y0) of PLC needs to connect to S3 terminal of AC Drive. The common terminal of the
pulse generator (e.g. PLC) output needs to be connected to the COM terminal of the AC Drive.