Rockwell-automation 1760-xxxx Pico GFX-70 Controllers User Manual Manuel d'utilisateur Page 247

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Publication 1760-UM002B-EN-P - March 2005
Wiring with Pico GFX-70 4-137
Set Cycle Time
Pico GFX-70 provides one set cycle time function block ST01. The set cycle
time function block is a supplementary function block for the PID controller.
The set cycle time function block provides a fixed cycle time for processing the
circuit diagram and the function blocks.
Wiring a Set Cycle Time Function Block
The ST set cycle time function block is integrated in the circuit diagram as a
coil.
Figure 4.60 Pico GFX-70 circuit diagram with enabling of set cycle time function
block.
Parameter display for set cycle time:
The parameter display is used to modify the set cycle time, the minimum on
time and the enabling of the parameter display.
Inputs
The function block input >I1 can be assigned the following operands:
Constants
IMPORTANT
To prevent unpredictable switching states, use each coil of a
relay once only in the circuit diagram.
-------------------------------[ ST01EN
ST01 +
>I1
ST01 Set cycle time function block number 01
+ Appears in the parameter display
>I1 Set cycle time
Table 4.61 Time Range
Parameter Value and time range Resolution
I1 0 to 1000 ms
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