Rockwell Automation 440N SensaGuard 18 mm Stainless Steel Barrel Installation Instructions - Manual (Page 5)

Typical Misalignment Curve
18 mm Unit with 18 mm Target
Note: There must be a minimum spacing of 4 mm (0.157 in) if actuator and sensor face approaches
laterally. This will prevent false triggering due to the side lobe areas.
Typical Wiring Diagram
Diagnostic
Unit Indicators (per IEC 60073)
State Status Troubleshooting
Off Not Powered NA
Device Output Red Not Safe, OSSD not active NA
LED Green Safe, OSSD active NA
Green flash Power up test or OSSD Check 24V DC or OSSD inputs
inputs not valid (yellow and red wire)
Red Flash 1 Hz Flash Recoverable Fault Recoverable fault —check OSSD
4 Hz Flash Non-recoverable Fault outputs are not shorted to GND,
24V DC or each other. Cycle power.
SensaGuard TM 18 mm Stainless Steel Barrel Installation Instructions 5
Misalignment
Sensing Distance
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
-15 -14-13 -12-11-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Side Lobe Side Lobe
Assured Sensing
Distance
OFF OFF
OFF
ON
Note: Refer to Technical Specifications for Certification information and ratings.
PA-75056-181, Ver 05 March 2012
Description Plastic
8-Pin Micro (M12)
Grey Safety A
Red Safety A+
Pink Safety B
8-Pin Cordset Yellow Safety B+
889D-F8AB-* White Aux A
or cable version Brown 24V DC+
Blue Gnd / 0V
Green N/A
* Replace symbol with 2 (2m), 5 (5m) or 10 (10m) for standard cable lengths.
2-24V DC+
1-Aux A
7-0V
6-Safety B
3-N/A
8-Safety A+
4-Safety B+
5-Safety A