Safety function blocks
500
02/16 MN05013001Z EN
Memory requirement
The function block TS requires 40 bytes of memory.
Operation of the function block
The relay is activated through coil TS..SA and started
through trigger coil TS..TR. The stop coil TS..ST interrupts the
time lapse.
At function block inputs TS..T1 and TS ..T2 you enter the
constants for the times. The time values are transferred
depending on the time range selected.
• [S], Value in milliseconds, the penultimate position is
rounded up to 0 or 5.
• [M:S], value in seconds.
• [H:M], value in minutes.
Different methods are used depending on the operating
modes of the TS function block:
Timing relay, on-delayed
Figure 260:
Operating diagram: time relay, on-delayed
a
The set time t
s
runs down without interruption.
b
The set time does not run down because the trigger coil TS..TR
drops out prematurely.
c
The Stop coil stops the run down of the time.
d
The dropping out of the coil TS..SA causes the timing relay to
deactivate and the contact TS..QS opens.
TS..SA
TS..TR
TS..QS
TS..ST
t1 + t2 = ts
t2
t1
ts
t<ts
a
b
c
d
Содержание easySafety
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