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Chapter
3
Operating instructions
Flexi Classic
24
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
8011509/YPP0/2015-10-26
Subject to change without notice
Product description
3.3.1
Controls and status indicators
LED indicators
Meaning
PWR (green)
Supply voltage present
Q1/Q2, Q3/Q4 (green)
Switching state of the safety outputs (high level)
Q3/Q4 (green flashing)
Q3/Q4 to high level during the course of the delay time
ERR (red flashing)
Indication for erroneous operational status on this
module, see chapter 10 “Diagnostics” on page 93
ERR (red)
Indication for erroneous operational status on the whole
system (the error is on another module), see chapter 10
“Diagnostics” on page 93
EN, S1-S3 (green)
Voltage is present.
I1-I4 (green)
Signal is present.
I1/I2 flash in phase
Cross-circuit between I1/I2
I3/I4 flash in phase
Cross-circuit between I3/I4
I1/I2 flash out of phase
Process error at I1/I2
I3/I4 flash out of phase
Process error at I3/I4
I1 to I4 flashes
Synchronization time/concurrence error, expected signal
is not present at the respective input.
S1-S3 flashes
Expected signal is not present (e.g. EDM or Reset).
Other indicators
Device error, see chapter 10 “Diagnostics” on page 93
Fig. 7: UE410-MU controls
and status indicators
Tab. 9: UE410-MU
indications
Button for accepting the
system configuration
Program switch
Switch for off delay
(not on UE410-xxxT0),
see Tab. 10