Toshiba TOSVERT VF-S15 Instruction Manual page 20

Title
Step 1
a900 
a901 
Step 2
a902 
Unit 1
a903  (Default)
Step 3
a904  (Default)
Step 4
a905 
<Example 6: Operation with push type switch>
Start and stop by push type (non self-hold type) switches.
Start with the forward run command (reverse run command), and stop with the stop
command.
See Fig 5-9 for wiring diagram and timing chart.
Construct self-hold circuit for each forward run command and reverse run command.
Break the self-hold by the other command or a stop command.
Following is the ladder diagram.
The left is general sequence of self-hold circuit. Each unit consists of 5 steps.
You need to change the unit A and B to two units each and make composition of 4
setps according to the My function-S.
Parameter setting
SW-STOP
Output frequency
[Hz]
IX1 signal
IX2 signal
IX3 signal
Fig. 5-9 Wiring diagram and timing chart for Example 6
Description
Read IX1 (F) terminal input signal. (LD IX1)
 
NEQ command IX 1

NOP command (no operation)
Transfer the result to the virtual input terminal 1.
    
IX 1 IX 2 IX 1 IX 2
  
Inverter
SW-F
IX1 (F)
SW-R
IX2 (R)
IX3 (S1)
CC
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E6581865
   
IX 2 IX 1 IX 2
 


VT 1