Rockwell Automation 440C Guardmaster 440C-CR30 Configurable Safety Relay User Manual - Manual (Page 51)

Rockwell Automation Publication 440C-UM001C-EN-P - November 2014 51
Safety Monitoring Functions Chapter 9
Light Curtain The Light Curtain function block sets the parameters for light curtains that have
dual OSSD outputs. In the CCW, click and drag (or double-click) the block to
an available Safety Monitoring Function spot. This block can be used for other
devices, like laser scanners, with OSSD outputs.
Figure 43 - Light Curtain Function Block
The available input selections for the Light Curtain inputs are:
• EI_00…EI_11 (embedded input terminals 00…11)
• MP_12…MP_17 (multi-purpose terminals 12…17)
You can use the default Discrepancy Time and Input Filter or choose to modify
these settings.
Figure 44 - Example Schematic of a Light Curtain
+24V DC
24V Com
05
CR30
02 01 00 03 04
A1 15 20 21 16
06
18 A2
07
19
08 10 11
12 13 14
09
17
OSSD1
Receiver
+ +
- -
Transmitter
OSSD2