YASKAWA GPD315/V7-4X Technical Manual page 68

5.11 FREQUENCY REFERENCE SELECTION
D. Frequency Reference via Pulse Train Input
In order to set the Drive so the frequency reference comes from a pulse train, set the following
parameters.
PARAMETER SETTING
n004 5
User
n149
Set
Pulse Source Specifications
• Low-level voltage: 0.8V or less
• High-level voltage: 3.5 to 32V
• Duty Cycle: 30 to 70% - high
• Pulse Frequency: 0 to 30 kHz
n149 : Pulse Train Input Scaling
This parameter scales the incoming frequency on terminal RP by using the following equation
E. Frequency Reference via Serial Communications - See paragraph 5.14
DESCRIPTION
Sets reference source as a pulse train at terminals RP & FC
Sets the input scaling for the pulse train input
Pulse
Source
Pulse Source Frequency
Frequency reference =
5-12
Continued
GPD 315/V7
Drive
RP
FC
Factory Setting: 2500
Range: 100 to 3000 (x 10 Hz)
n011
*
n149 * 10