Siemens SPS starter kit 6ED1057-3BA00-0AA8 12 Vdc, 24 Vdc 6ED1057-3BA00-0AA8 Hoja De Datos
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6ED1057-3BA00-0AA8
Reference material
5.3 Special functions
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Operating Instructions, 06/2014
Timing diagram
Description of the function
The function reads the value of input In with a positive edge (0 to 1 transition) at input Trg
(Trigger).
This value is written to shift register bits (Page 194) S1 or S8, depending on the set shift
This value is written to shift register bits (Page 194) S1 or S8, depending on the set shift
direction:
● Shift up: S1 accepts the value of input In; the previous value of S1 is shifted to S2, S2 is
● Shift up: S1 accepts the value of input In; the previous value of S1 is shifted to S2, S2 is
shifted to S3, etc.
● Shift down: S8 accepts the value of input In; the previous value of S8 is shifted to S7, S7
is shifted to S6, etc.
Q outputs the value of the configured shift register bits.
If retentivity is not enabled, the shift function restarts at S1 or S8 after a power failure.
Special functions (Page 212)
If retentivity is not enabled, the shift function restarts at S1 or S8 after a power failure.
Special functions (Page 212)