Attention
IronPLC supports IEC 61131-3 Structured Text excluding I/O mapping.
Function Blocks
Standard function blocks defined by IEC 61131-3.
Timers
Function Block |
Description |
|---|
TON |
On-delay timer |
TOF |
Off-delay timer |
TP |
Pulse timer |
Counters
Function Block |
Description |
|---|
CTU |
Count up |
CTD |
Count down |
CTUD |
Count up/down |
Edge Detection
Function Block |
Description |
|---|
R_TRIG |
Rising edge detection |
F_TRIG |
Falling edge detection |
Bistable
Function Block |
Description |
|---|
SR |
Set-dominant flip-flop |
RS |
Reset-dominant flip-flop |