Omron NT20S Operation Manual page 206

Lamps, Touch Switches, Numeral Setting
S PC program
Create the following ladder program.
1 scan ON
↓
11212
06001
← Touch switch #11 notify bit
05001
Touch switch #10 notify bit
↓
06000
05000
S Program operation
The operation when the program is executed is presented below.
Stop flag
Stop touch switch : Lit
Press Run touch switch.
Run flag : 1 (ON)
Run touch switch : Lit
Stop flag : 0 (OFF)
Stop touch switch : Unlit
Touch switch #10 notify bit
↓
06000
05001
06001
Run flag
05000
(touch switch #10 control bit)
↑
Touch switch #11 notify bit
Execute program
: 1 (ON)
Press Stop touch switch.
Run flag
Run touch switch : Unlit
Stop flag
Stop touch switch : Lit
Stop flag
(touch switch #11 control bit)
: 0 (OFF)
: 1 (ON)
Section 5-3
187