SET Result

% Offset Meaning

PASS (with % Offset)

Displays the % offset used for the SET method

FAIL (with % Offset)

Displays the minimum required % offset necessary to PASS the SET method

FAIL (without % Offset)

Presented condition cannot be used for the SET method

Health Mode Alarm

The Health Mode Alarm alerts you when preventative maintenance becomes necessary to ensure reliable sensing. The

Health Mode output 2 is Active when the system is OK and operating normally. Health Mode output 2 becomes Inactive

when the system is in a marginal state because of contamination. The system still operates normally and can detect small

objects, but is nearing the alarm state. When the system is completely contaminated and unable to ensure reliable

sensing, the system goes into the alarm state. In the alarm state, the discrete output 1 is forced to the blocked state and

can no longer be used to detect small objects.

•

Threshold Alert

displays when Health Mode output 2 is inactive because of contamination. The

system operates normally but is nearing the alarm state.

•

Threshold Error

displays when discrete output 1 is forced to the blocked state and can no longer be

used to detect small objects.

The sensor may enter Health Mode Alarm for any of these reasons:

1. When first powered up; the fiber optic array may already be contaminated

2. If the Window SET procedure fails, indicating the fiber optic array is contaminated and the sensor could not set a

valid clear-state light level for reliable detection

3. If the fiber optic array is contaminated enough that the auto compensation tracking algorithm cannot sufficiently

adjust the thresholds to ensure reliable detection

4. If the fiber optic array is blocked for more than 2 seconds

Return the system to normal operation by cleaning the fiber optic array and performing a Window SET to reset the clear-

state light level (see Window SET on page 6).

Specifications

Sensing Beam

Visible red, 635 nm

Supply Voltage

10 to 30 V dc Class 2 (10% maximum ripple)

Power and Current Consumption (exclusive of load)

Standard display mode: 960 mW, Current consumption < 40 mA at 24

V dc

ECO display mode: 720 mW, Current consumption < 30 mA at 24 V dc

Supply Protection Circuitry

Protected against reverse polarity and transient overvoltages

Delay at Power-Up

500 milliseconds maximum; outputs do not conduct during this time

Output Configuration

1 current sinking (NPN) or 1 current sourcing (PNP) output, depending on

model, plus 1 Health Mode output

Output Rating

100 mA maximum combined load (derate 1 mA per °C above 30 °C)

OFF-state leakage current: < 5 μA at 30 V dc;

ON-state saturation voltage: NPN: < 1.5 V; PNP : < 2 V

Output Protection

Protected against output short-circuit, continuous overload, transient

overvoltages, and false pulse on power-up

Output Response Time

25 µs

50 µs

150 µs

250 µs

500 µs

Repeatability

12 µs

12 µs

30 µs

50 µs

80 µs

Connections

PVC-jacketed 2 m or 9 m (6.5 ft or 30 ft) 5-wire integral cable; or

integral 5-pin M8/Pico-style quick disconnect; or 150 mm (6 in) cable

with a 5-pin M12/Euro-style quick disconnect; or 150 mm (6 in)

cable with a 5-pin M8/Pico-style quick disconnect

For Q3 or Q7 5-pin models, either a 5-pin M8/Pico-style or a 6-pin

M8/Pico-style mating cordset may be used

Construction

Black ABS/polycarbonate alloy (UL94 V-0 rated) housing, clear

polycarbonate cover

Environmental Rating

IEC IEC IP50, NEMA 1

Operating Conditions

Temperature: −10 °C to +55 °C (+14 °F to +131 °F)

Storage Temperature: −20 °C to +85 °C (−4 °F to +185 °F)

Humidity: 90% at +60 °C maximum relative humidity (non-

condensing)

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P/N 178061 Rev. E