Rockwell Automation Publication 440L-IN012A-EN-P - November 2017
19
GuardShield Type 4 and GuardShield Remote Teach
Condition Nos. 8...13 (gray shading) are fault conditions
Flash rate is approximately 2 Hz (2 times per second)
Checklist
Before the initiation of the GuardShield light curtain the responsible person works through the following checklist.
Cable check before initiation:
3
ON
OFF
OFF
ON
OFF
ON
ON
4
ON
OFF
OFF
OFF
ON
ON
ON
5
OFF
ON
ON
OFF
OFF
ON
ON
6
OFF
ON
FLASH
OFF
OFF
ON
ON
7
ON
OFF
OFF
OFF
OFF
ON
OFF
8
FLASH
OFF
OFF
OFF
OFF
ON
ON
9
ON
OFF
OFF
OFF
OFF
FLASH
ON
10
FLASH
OFF
OFF
ON
OFF
ON
ON
11
FLASH
OFF
OFF
OFF
ON
ON
ON
12
FLASH
OFF
DATA TRANS
OFF
OFF
ON
ON
13
ON
OFF
OFF
OFF
OFF
FLASH
DATA TRANS
Condition No.
Description
1
Guard only (automatic reset) mode, light curtain unobstructed (aligned, not in interlock)
2
Guard only (automatic reset) mode, light curtain interrupted (aligned, not in interlock)
3
Guard only (automatic reset) mode, misaligned (not in interlock)
4
Guard only (automatic reset) mode, in start or restart interlock (aligned)
5
Fixed blanking mode (aligned, not in interlock)
6
Floating or Floating/Fixed Blanking mode (aligned, not in interlock)
7
Transmitter test input active (pin 4)
8
Internal fault, receiver
9
Internal fault, transmitter
10
External fault (OSSD short to ground, +V, or cross connection)
11
External fault (MPCE/EDM error)
12
Configuration mode (receiver access door open)
13
Configuration mode (transmitter access door open)
IMPORTANT
For fault conditions 8...13. See
Troubleshooting Guide on page 18
ATTENTION:
Confirm that all power to the machine, and safety
system is disconnected during electrical installation.
IMPORTANT
Before power-up of the GuardShield light curtain system, the
responsible person reviews the following Checklist.
1.
The power supply is a 24V DC device, which must comply to all applicable standards of the
Machinery Directive 2006/42/EC, and the product standard (IEC 61496).
2.
Proper polarity of the power supply at the GuardShield light curtain.
3.
The transmitter connection cable is properly connected to the transmitter, the receiver
connection cable is properly connected to the receiver.
4.
The double insulation between the light curtain output and an external potential is
confirmed.
