IDEC FT1A Series User Manual page 77

Create FBD Program
This section describes the procedure for creating a sample FBD program in WindLDR.
Note: For details on each FB, see the "SmartAXIS FBD Programming Manual".
Create a program that operates in the following manner.
When both input I0 and input I1 are on, output Q0 turns on.
•
When either input I1 or input I2 is on, output Q1 continues to turn on and off in a one second cycle.
•
Circuit block
Q0
Q1
Note: The output FB and all the FBs connected on the left side of the input connector of the output FB are called the circuit block. The output state
of the output FB is the execution result of a single circuit block.
Insert input I0
From the WindLDR menu bar, click Home > Function Block > Terminal > I (Digital Input).
1.
Move the mouse pointer to the FBD editor and click the left mouse button.
2.
Input I0 is inserted at the position of the mouse pointer.
I 0 I1
ON ON
― OFF
― ON
S AXIS P
MART RO
I2
― Turn output Q0 on
ON
Turn on and off the output Q1 continuously in a one
second cycle
OFF
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