Rockwell Automation 440L GuardShield PAC Type 4 Safety Light Curtain - Manual (Page 15)

GuardShield™ PAC Safety Light Curtain Installation Instructions
13
Original instructions
Figure 6: Mounting brackets
Shock Isolation Kits
Rockwell Automation offers a shock and vibration isolation kit
(440L-AF6120) for attenuating excessive shock and vibration in
vertical applications of the GuardShield PAC safety light curtain.
This kit is most effective in extending the operational life of the
GuardShield PAC safety light curtains in excessive shock and
vibration applications, particularly in applications where shock
levels can exceed 50 g.
Figure 7: Shock isolation kit
Rockwell Automation also offers pedestal floor stands for
mounting the GuardShield light curtains when the shock and
vibration levels of the equipment are excessively high. These
mounting stands isolate the GuardShield light curtains from
receiving the shock through the equipment, however, the area
immediately around the machine may also experience high levels
of shock and vibration therefore, it may be necessary to use the
shock mount kits when mounting the light curtains to the
mounting stands.
42
(1.65)
20
(0.79)
40 (1.57)
18.9
(0.74)
14.5
(0.57)
52 (2.04)
3.0
(0.11)
32
(1.25)
6.5 (0.26)
Horizontal
Application
Vertical
Application
Figure 8: Pedestal floor stand
Electrical Installation
Connections
Power Supply
The external voltage supply (+24V DC) must meet the
requirements of IEC 61496-1. In addition, the following
requirements have to be fulfilled:
• A short-term power failure of 20 ms must be bridged by the
power supply.
• The power supply has double insulation between the
primary and the secondary side.
• The power supply is protected against overload.
• The power supply corresponds to the guidelines of the EWG
(industrial environment).
• The power supply corresponds to the Low Voltage
Directives.
• The grounded conductor of the power supply device must
be connected to a grounded conductor PE.
• The maximum deviation of the voltage levels is 24V DC +/-
20%.