Allen-Bradley SensaGuard 440N-Z21S16B - Troubleshooting Guide; Series Circuit Analysis; Fault Diagnosis and Solutions

Troubleshooting
Series Circuit
PA-75056-180-01(A), September 2006
6 SensaGuard
TM
18 mm Plastic Barrel Installation Instructions
Ye l
Red
Brown
Gray
Pink
Blue
24VDC
Power
Supply
1606
-XL120D
Switch 1
+24
RTN
Switch 2
White
White
Ye l
Red
Brown
Gray
Pink
Blue
Actuator 1
Actuator 2
Switch 3
White
Ye l
Red
Brown
Gray
Pink
Blue
Actuator 3
Switch 4
White
Ye l
Red
Brown
Gray
Pink
Blue
Actuator 4
Switch 5
White
Ye l
Red
Brown
Gray
Pink
Blue
Actuator 5
+24 V +24 V
+24 V +24 V
+0 V +0 V
+0 V +0 V
+0 V +0 V
Actuator 2 is in sensing range. Switch 2 is functioning properly OSSDs are energize to 24 V Green LED is ON.
Actuator 3 is in sensing range. Switch 3 has fault. See Table Above—Red LED is flashing
Actuator 1 is in sensing range. Switch 1 is functioning properly OSSDs are energize to 24 V Green LED is ON.
Actuator 4 is in sensing range. Switch 4 is functioning properly. Series inputs are 0 V. OSSDs are de-energized to 0V . Green LED is Flashing to indicate Series inputs are not 24V.
Actuator 5 is in sensing range. Switch 5 is functioning properly. Series inputs are 0V . OSSDs are de-energized to 0V. Green LED is Flashing to indicate Series inputs are not 24V.
OSSD’s are OF
F
Recoverable fault
Note: Refer to Technical Specifications for Certification information and ratings.