Original instructions, System status indicators – Rockwell Automation 440L GuardShield PAC Type 4 Safety Light Curtain User Manual
Page 23

GuardShield™ PAC Safety Light Curtain Installation Instructions
21
Original instructions
System Status Indicators
6 through 11 = Fault conditions
Data transmission—factory configuration interface—not available for use outside factory
Flash rate is approximately. 2 Hz (2 times per second)
Note: Note: For fault conditions 6 through 11, see Troubleshooting guide on page 20.
Receiver LEDs
Transmitter LEDs
Condition No.
OSSDs
OFF
Red
OSSDs
ON
Green
Yellow
Alignment
Amber
Interlock
Yellow
Power
On
Amber
Emitting
Yellow
1
OFF
ON
OFF
OFF
OFF
ON
ON
2
ON
OFF
OFF
OFF
OFF
ON
ON
3
ON
OFF
OFF
ON
OFF
ON
ON
4
ON
OFF
OFF
OFF
ON
ON
ON
5
ON
OFF
OFF
OFF
OFF
ON
OFF
6
FLASH
OFF
OFF
OFF
OFF
ON
ON
7
ON
OFF
OFF
OFF
OFF
FLASH
ON
8
FLASH
OFF
OFF
ON
OFF
ON
ON
9
FLASH
OFF
OFF
OFF
ON
ON
ON
10
FLASH
OFF
DATA TRANS
OFF
OFF
ON
ON
11
ON
OFF
OFF
OFF
OFF
FLASH
DATA TRANS
Condition No.
Description
1
Guard only mode, light curtain unobstructed (aligned, not in interlock)
2
Guard only mode, light curtain interrupted (aligned, not in interlock)
3
Guard only mode, misaligned (not in interlock)
4
In start or restart interlock (aligned)
5
Transmitter test input active (pin 4)
6
Internal fault, receiver
7
Internal fault, transmitter
8
External fault (OSSD short to ground, +V, or cross connection)
9
External fault (MPCE/EDM error)
10
Configuration mode (receiver access door open)
11
Configuration mode (transmitter access door open)
Receiver
Transmitter
OSSDs OFF
Emitting
OSSDs ON
Interlock
Alignment
POWER ON
ATTENTION
Assure that all power to the machine, and
safety system is disconnected during
electrical installation.