118 Rockwell Automation Publication 450L-UM001D-EN-P - December 2019
Chapter 7 Status Indicators and Troubleshooting
Table 54 - Status Indicators for External Errors and System Errors
For fault conditions 0…13 and corrective actions, see Table 55 on page 119.
No.
Error First Status Indicator Second Status Indicator
Short Description
Marking
(Name) Color
Blink
Frequency
Duty Cycle
(On/Off) Marking (Name) Color
Blink
Frequency Duty Cycle
(3)
0 Configuration changed
(1)
STS Red/ Green 1 Hz 50:50 — — — —
1 Internal lockout
(2)
STS Red ON 100:0 — — — —
2EDM error
(3)
STS Red 1 Hz 50:50 RES Amber 1 Hz 10:90
3Start error
(2)
STS Red 1 Hz 50:50 RES Amber 1 Hz 90:10
4
Ambient light or EMC
disturbances
STS Red 1 Hz 50:50 — — — —
5
Short circuit between OSSDs
to 24V DC (lockout)
(3)
STS Red 1 Hz 50:50 OUT Red 1 Hz 50:50
6 Error supply voltage
(2)
STS Red 1 Hz 50:50
Stick type (transmitter
or receiver)
Green 1 Hz 50:50
7
24V DC connected to
transmitter plug-in input
(2)
STS (Tx) Green ON 100:0 Stick type transmitter Green 1 Hz 50:50
8
Mixed design of 450L-B and
450L-E sticks or stick
identification mismatch
when beam coding is used
STS (Tx) Red 1 Hz 50:50
Regional light intensity
level 1 and level 2
Green 1 Hz 50:50
9 Invalid DIP switch setting STS Green 1 Hz 50:50 Stick type receiver Green 1 Hz 50:50
10
Muting timing error
(450L-E only)
STS (Rx) Red 1 Hz 50:50 MUT Orange 1 Hz 90:10
11
Muting sequence error
(450L-E only)
STS (Rx) Red 1 Hz 50:50 MUT Orange 1 Hz 10:90
12 Blank error (450L-E only) STS Red 1 Hz 50:50 BLK Orange 1 Hz 50:50
13 Cascade error (450L-E only) STS Red 1 Hz 50/50 CAS Red 1 Hz 50:50
(1) Error: If there is an error, remove the error source. For manual restart, activate the Restart button.
(2) If there is a lockout, remove the lockout source. Lockout requires power recycling or adequate action (see Table 55 on page 119
), Manual (Re) Start on page 28, and Optical Push Button on page 116.
(3) The interpretation is first value on time, second value off time, for example, 10:90 means 10% on, 90% off.
ATTENTION: If automatic restart is used, the system starts immediately.
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