Allen-Bradley SensaGuard 440N-Z21S16B - Unit Response Time; Response Time Analysis

Unit Response Time (does not include safety relay response time)
PA-75056-180-01(A), September 2006
SensaGuard
TM
18 mm Plastic Barrel Installation Instructions 7
Yel
Red
White
Gray
Pink
Blue
24V DC
Power
Supply
1606
Sensor 1
+24
RT
Sensor 2
Brown
Brown
Gray
Pink
White
Yel
Red
Blue
Sensor 3
Brown
Yel
Red
White
Gray
Pink
Blue
A1
S21
S11 41332313S12S52
42342414A2S34S22
440R-N23126
Actuator 1
Actuator 2
Actuator 3
Initial Conditions: All actuators are in sensing distance.
Actuator 1 is moved out of sensing range.
Sensor 2 drops the 24 volts (red and yellow) from Sensor 1 OSSD outputs. Green LED flashes.
Sensor 3 drops the 24 volts (red and yellow) from Sensor 2 OSSD outputs. Green LED flashes.
0 mS
54 mS 72 mS 90 mS
Actuator 1 is out of sensing range. Actuator 2 and 3 are in sensing range.
Actuator 1 is moved into sensing range. Sensor 1 OSSD outputs are energized.
Sensor 2 OSSD inputs (red and yellow) transition to 24V DC from Sensor 1 OSSD outputs. Sensor 2 OSSD outputs are energized
Sensor 3 OSSD inputs (red and yellow) transition to 24V DC from Sensor 2 OSSD outputs. Sensor 3 OSSD outputs are energized.
0 mS
360 mS 378 mS 396 mS
OFF
ON
Note: Refer to Technical Specifications for Certification information and ratings.