Design and function
18 © SICK AG • Subject to change without notice • 8014868/YIF1/2020-10-19
Q1 and Q2 status LEDs (continued)
LED Description
Q1 and Q2 in align-
ment mode
Alignment quality indicator (IR models only)
• Slow ashing (approx. 1 Hz): poor alignment quality
• Rapid ashing (approx. 15 Hz): good alignment quality
Table 2: Q1 and Q2 status LEDs
Status indicator LED
LED Description
Run Operating indicator
• Rear LED green/front LED orange: Supply voltage pres-
ent
• LED o: Supply voltage o
Table 3: Status indicator LED
Teach-in LEDs
(continued on next page)
LED Description
Q1 near, Q1 far,
Q2 near, Q2 far,
in teach mode
• Perform one-point or window teach.
• One of the LEDs lights up: Teach can be performed.
• One of the LEDs ashes: Fine teach can be performed.
Q1 near + Q1 far
(ObSB)
in teach mode
Teach in ObSB or background for switching output Q1.
• Both LEDs light up: Teach can be performed.
• Both LEDs ash: Fine teach can be performed.
Q2 near + Q2 far
(ObSB)
in teach mode
Teach in ObSB or background for switching output Q2.
• Both LEDs light up: Teach can be performed.
• Both LEDs ash: Fine teach can be performed.
slow … fast
in teach mode
Set speed. "Slow … fast" LED ashes cyclically:
• 1 x: Super-slow
• 2 x: Slow
• 3 x: Medium
• 4 x: Fast
• 5 x: Super-fast
"Slow … fast" LED lights up continuously:
• Expert or expert setting, adjustable only via IO-Link
→ See Chapter 9.3.3 on page 43
Q1 near, Q1 far,
Q2 near, Q2 far,
slow … fast
in alignment mode
Alignment quality indicator (IR models only)
• The greater the number of LEDs that light up, the better
the teach-in quality.
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