Ton: On Delay; Tof: Off Delay - ABB AC 31 Technical Manual

Page 5-38
Programming

5.7.1. TON: on delay

The TON function delays the IN command signal passing to 1.
The TON block adheres to the IEC1131-3 standard. The AND output allows you to see the
time passed.
%I62.00
%KD001.00
IN
Q
t
PT

5.7.2. TOF: off delay

The TOF function enables delaying the command IN passage to 0.
The TOF block adheres to the IEC1131-3 standard. The AND output allows you to see the
time passed.
%I62.00
%KD001.00
IN
Q
t
PT
TON
%O62.00
IN Q
%MD000.00
PT ET
t
t< PT
TOF
%O62.00
IN Q
%MD000.00
PT ET
t
t< PT PT
t
ABB Control - AC 31
1SBC 260400 R1001-b 06.99