Ghisalba VFD-E Series - Page 227

Appendix D How to Use PLC Function
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VFD-E Series
D-14 Revision August 2006, 01EE, SW--PW V1.03/CTL V2.03
T5
T5
TMR
Y4
T6
X0
K50
Y4
T6
Y4
TMR
X0
K30
;
7
<
7
5 seconds
3 seconds
Example12: Extend Timer Circuit
T12TMR Kn2
T11
X0
TMR
Y1
T11
Kn1
T12
In this circuit, the total delay time from input X0 is
close and output Y1 is ON= (n1+n2)* T. where T is
clock period.
X0
Y1
T11
T12
n1*
n2*
T
T
(n1+n2)*
T
D.6 PLC Devices
D.6.1 Summary of DVP-PLC Device Number
Items Specifications Remarks
Control Method
Stored program, cyclic scan
system
I/O Processing Method
Batch processing (when END
instruction is executed)
I/O refresh instruction is
available
Execution Speed
Basic commands (minimum
0.24 us)
Application commands
(10 ~ hundreds us)
Program Language
Instruction, Ladder Logic,
SFC
Including the Step
commands
Program Capacity 350 STEPS SRAM + Battery