4.12 LED lights meaning
On the front panel of CSMIO/IP device, there are groups of LEDs that simplify verifying the correctness of
electric installation and diagnostic of such components as HOME switches, LIMIT switches and safety
switches (E-Stop) etc.
4.12.1 Types and location of the LEDs
• Digital inputs and outputs LEDs do not require more explanations. For example, if you give the
signal to the input no. 5, the IN5 LED lights up. Similarly, if you switch on the output no. 2 – OUT2
LED lights up.
• CAN LED diode lights up when at least one expansion module is connected and when the commu-
nication on the CAN bus is correct.
• RS485 diode lights up if there is a communication on RS485 bus.
• RS232 diode lights up if there is a communication on RS232 port.
• ETHERNET diode lights up if the controller communicates with a PC computer.
• ERR0-ERR2 diodes indicate controller errors. During normal operation, any of these diodes
shouldn’t light up. If any of them light up you should contact service – “contact” tab on
http://www.cs-lab.eu website.
• STAT0-STAT3 diodes indicate controller status, information about the status is very helpful in-
formation that CS-Lab service should get if there are any problems during the device work. Below
you find detailed description of the lights meaning.
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