5-12
Continued
D.
Frequency Reference via Pulse Train Input
In order to set the GPD Drive so the frequency reference comes from a pulse train, set the following
parameters.
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
Factory Setting: 2500
Range: 100 to 3000 (x 10 Hz)
This parameter scales the incoming frequency on terminal RP by using the following equation
Frequency reference =
Pulse Source Frequency
*
n011
n149
* 10
E.
Frequency Reference via Serial Communications
- See paragraph 5.14
FC
RP
GPD Drive
Pulse
Source
PARAMETER
SETTING
DESCRIPTION
n004
5
Sets reference source as a pulse train at terminals RP & FC
n149
User
Sets the input scaling for the pulse train input
Set
5.11 FREQUENCY REFERENCE SELECTION
Содержание GPD 315
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