IDEC SE2L Series, User Manual

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SE2L User’s Manual (SE9Z-B1865)
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3.9.3 Muting override function
Muting override is a function to recover SE2L when the OSSD is switched to OFF state due to muting
related errors by temporarily suspending the safety function. Override function is active when the override
input (OVERRIDE 1/2) and the reset input (RESET 1/2) are switched in a sequence. Figure 3-21 shows the
override sequence.
 Override start conditions
▶
At least one of the muting inputs is in ON-state.
▶
Object is present in the protection zone.
▶
Time interval between override input and reset input is within 0.03s to 1s (T3).
 Override stop conditions
▶
Both muting inputs are in OFF-state.
▶
Override input or reset input is in OFF-state.
▶
When predefined maximum override time T4 exceeds.
▶
Error is detected by self-diagnostic function of the SE2L.
▶
During override state when area is switched to the other area.
 Maximum override period (T4)
Maximum override period can be selected from one of these values
▶
1 minute
▶
6 minutes
▶
12 minutes
Figure 3-21 Override Sequence