CONTACTD (14)
CONTACTD (14)
ID 14
Application: |
PLC |
SIM |
Group: LOGIC
Short description:
The function performs the operation of the contact reacting to the falling edge.
Inputs (1):
no. |
type |
impulse |
mark |
notes |
1 |
B |
no |
IN |
Binary input no. 1 |
Outputs (1):
no. |
type |
impulse |
mark |
notes |
1 |
B |
yes (0 -> 1 -> 0) |
OUT |
Function output unit signal |
Settings:
no. |
type |
name |
notes |
1 | I | device | device type and number |
Function operation:
The CONTACTD function performs the action of the contact that reacts to the falling edge. The function transmits the high state of the IN input to the OUT output for one program cycle, when a falling edge of the signal appears on the assigned marker M or input X or output Y (X inputs and Y outputs can be set only in the PLC, Startup and Control tabs).
R registers and M markers used:
user-set M marker