1.4.3.1.3 State LEDs
Table 56: Meaning of the diagnosis LEDs
LED Color State Description
PWR Green ON (light) Power supply available
OFF (dark) Power supply not available or defective
hardware
RDY Yellow ON Boot procedure
Blinking Boot failure
OFF ---
RUN Green ON Communication module is operational
Blinking ---
OFF Communication module is not operational
CAN-RUN Green ON Operational: Device is in the
OPERATIONAL state
Single Flash Stopped: Device is in STOPPED state
Blinking Pre-operational: Device is in the
PREOPERATIONAL state
OFF No communication or no power supply
CAN-ERR Red ON CANopen bus is off
Single flash Warning limit reached: At least one of the
error counters of the CAN controller has
reached or exceeded the warning level
(too many error frames)
Double flash Error control event: A guard event (NMT
Slave or NMTmaster) or a heartbeat event
(Heartbeat consumer) has occurred
OFF No Error: Device is in working condition
CAN-RUN Yellow Blinking
(synchronously)
No production data available,
no bus communication possible.
CAN-ERR Yellow
LED state
during
firmware
update
CAN-RUN Green Blinking
(synchronously)
Firmware file transfers during
communication module firmware update.
CAN-ERR Red
CAN-RUN Green Blinking
(alternately)
Communication module writes the
firmware file to the internal flash.
Do not power off the PLC!
CAN-ERR Red
1.4.3.1.4 Technical data
The system data of AC500 and S500
Ä
Chapter 2.6.1 “System data AC500” on page 971 are
applicable to the standard version.
The system data of AC500-XC
Ä
Chapter 2.7.1 “System data AC500-XC” on page 1023 are
applicable to the XC version.
Only additional details are therefore documented below.
The technical data are also applicable to the XC version.
Communication modules (AC500 standard) > CANopen
2022/01/313ADR010278, 3, en_US110
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