LED status displayPermalink

This is the web edition of the original ‎⮫ AC500-S safety user manual, version 1.3.2. This web edition is provided for quick reference only. The original safety user manual must be used to meet functional safety application requirements.

Table 1050: Status display and its meaning

LED

Description

Color

LED = OFF

LED = ON

LED flashes

Inputs 0 ... 3

Analog input

Yellow

Analog input = ca. 0 mA

Input = ON (LED light intensity depends on the input value)

--

Channel error

Red

No channel error

Channel error

--

UP

Process voltage +24 V DC via terminal

Green

Process supply voltage is missing

Process supply voltage is OK

--

PWR

+3.3 V DC voltage from I/O bus

Green

+3.3 V DC I/O bus voltage is not available

+3.3 V DC I/O bus voltage is available

--

ERR1

Module error indicator 1

Red

No module error

Module error which leads to a SAFE STOP state

Module passivation and/or acknowledgment request (alternating blinking)

ERR2

Module error indicator 2

Red