Ladder Diagram Program - Delta DVPDNET-SL Operation Manual

10.3 Ladder Diagram Program

This section introduces how to edit the ladder diagram program to meet the requirement of controlling the
DeviceNet network.
When X0=ON, VFD-L AC motor drive runs;
Control When X1=ON, VFD-L AC motor drive stops;
requirement
After VFD-L has been operating for 6 seconds, Y0 of DVP28SV is ON if the specified
frequency of VFD-L is not reached yet.
Explanation of PLC Program
X0
X1
X0
T0
LD<>
DVP-PLC Operation Manual
DeviceNet Network Scanner DVPDNET-SL
MOV H12
MOV K2000
MOV H1
TMR T0
K2000 D6037
D6287
When X0=ON, VFD-L starts up and
its target frequency is 20Hz.
D6288
D6287
When X1=ON, VFD-L stops running.
K60
Y0 will be ON in DVP28SV if the
frequency of VFD-L has not reached
( ) 20Hz after starting up for 6 seconds
Y0
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