Omron F3SG-SRB Series - Cascade Connection; Overview

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Chapter5 Cascade Connection
F3SG-SR
User’s Manual
Wiring and Installation
5-5. Cascade Connection
5-5-1. Overview
Up to 3 sets of F3SG-SR can be series-connected. Cascade connection allows them to be used as a a
safety light curtain, requiring only 1 set to be wired to a controller and preventing mutual interference.
If any 1 set of series-connected F3SG-SR is blocked, both of the safety outputs turn OFF.
• Number of connections: Up to 3 sets
• Total number of beams: Up to 255 beams
• Response time: Varies according to the number of beams of cascaded F3SG-SR segments.
1-6-3. Calculation of Response Time of Cascaded Segments
• Cable length between sensors: 10 m max. (not including cascading cable (F39-JGR3W) and root
cable (F39-JGR3K or F39-JGC))
Example: Configuring an U-shaped detection zone
The sensor segments in a cascade connection are called as follows:
F3SG-SRA X
F3SG-SRB X
Secondary
sensor 2 (Channel 3)
Secondary
sensor 1 (Channel 2)
Primary
sensor (Channel 1)