Table 4: LEDs for supply voltage
LED Display Description
UA Off No voltage: UA <11V
Green Module operating without errors: 18V ≤ UA ≤30V
Red Undervoltage: 11V ≤ UA <18V
Flashing red
(4Hz)
Overvoltage: UA >30V
US Off No voltage: US <11V
Green Module operating without errors: 18V ≤ US ≤30V
Red Undervoltage: 11V ≤ US <18V
Flashing red
(4Hz)
Overvoltage: US >30V
3 PRODUCT DESCRIPTION
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O P E R A T I N G I N S T R U C T I O N S | Sensor Integration Gateway - SIG350 8027836./2022-06-10 | SICK
Subject to change without notice