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Standard function blocks
312
02/16 MN05013001Z EN
Example 1
A sequence of operating steps is controlled using a bit shift
register.
The individual operating steps are permanently assigned to
a register field. A step is initiated when its register contact is
switched. As soon as it is completed, SR..FP is activated and
the subsequent register contact starts the next step. The first
operating step is carried out if the 1 at the register input is
transferred to the register when SR.FP is activated and is
indicated at SR..Q1.
The figure on the left shows the parameter display and the
parameter set for the function block SR12. Once shift register
number 12 has been defined, you set here only BIT mode for
the bit format.
The coils are programmed in the standard circuit diagram of
easySafety:
Figure 150: easySafety circuit diagram for example 1
• The enable coil SR12EN is permanently active, the
function block is not switched off.
• Marker M09 transfers the 1 to SR12FD for the first step.
• Marker M10 switches the forwards pulse input coil
SR12FP.
SR12 BIT +
>I1
>I2
D1>
------------------------------
Ä
SR12EN
M 09--------------------------
Ä
SR12FD
M 10--------------------------
Ä
SR12FP
Содержание easySafety
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