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Operating instructions
Chapter
3
Flexi Classic
8011509/YPP0/2015-10-26
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
59
Subject to change without notice
Product description
3.9.3
Controls and status indicators
LED indicators
Meaning
PWR (green)
Supply voltage via safety bus is present
K1/2 (green)
Relay K1/K2 — safety contacts closed
K3/4 (green)
Relay K3/K4 — safety contacts closed
3.9.4
UE410-2RO inputs and outputs
Assignment
Description
B1
Connecting relay K1/K2
13/14 and 23/24 Safety contacts for switch-off circuit K1/K2
Y1/Y2
Feedback circuit external device monitoring (EDM), N/C contact
Y14
N/O safety contact K1/K2, current-limited,
see chapter 11 “Technical specifications” on page 96
3.9.5
UE410-4RO inputs and outputs
Assignment
Description
B1
Connecting relay K1/K2
B2
Connecting relay K3/K4
13/14 and 23/24 Safety contacts for switch-off circuit outputs K1/K2
33/34 and 43/44 Safety contacts for switch-off circuit outputs K3/K4
Y1/Y2
Feedback EDM K1/K2, N/C contact
Y3/Y4
Feedback EDM K3/K4, N/C contact
Y14
N/O safety contact K1/K2, current-limited,
see chapter 11 “Technical specifications” on page 96
Y24
N/O safety contact K3/K4, current-limited,
see chapter 11 “Technical specifications” on page 96
Fig. 15:
UE410-2RO/UE410-4RO
controls and status indicators
Tab. 28:
UE410-2RO/UE410-4RO
indicators
Tab. 29: Terminals
UE410-2RO
Tab. 30: Terminals
UE410-4RO