Delta DVP-0204520-03 - Manual (Page 41)

DeviceNet Network Scanner DVPDNET-SL
10.3 Ladder Diagram Program
This section introduces how to edit the ladder diagram program to meet the control request of DeviceNet network.
Control
request
When X0=ON, VFD-L AC motor drive runs;
When X1=ON, VFD-L AC motor drive stops;
After VFD-L has run for 6 seconds and at this time the running frequency still has not
reached the designated frequency, Y0 of DVP28SV=ON.
Explanation of PLC Program
MOV H1 D6287
X0
MOV K2000 D6288
X1
TMR T0 K60
LD<> K2000 D6037
MOV H12 D6287
When X0=ON, VFD-L starts up and
its target frequency is 20Hz.
When X1=ON, VFD-L stops running.
Y0 will be ON in DVP28SV if the
frequency of VFD-L has not reached
20Hz after starting up for 6 seconds
X0
T0
Y0
( )
DVP-PLC Operation Manual 38