Siemens CP 243-2 User Manual

Technical Description and Installation Instructions

1-12

SIMATIC NET CP 243-2 AS-i Master

C79000-G8976-C142/02

The status display is active when no group LEDs are lit.

The status display is the default display in the basic status of the CP 243-2.

The LEDs have the following meaning:

Table 1-2

 

CM (yellow)

Configuration
Mode

This displays the operating mode of the CP 243-2.

LED lit:

Configuration mode

LED unlit:

Protected mode

The configuration mode is only required when putting the CP 243-2
into operation. In the configuration mode, the CP 243-2 activates all
connected AS-i slaves and exchanges data with them. For more
information about the configuration mode, refer to Section 1.9.

AUP (green)

Autoprog
available

In the protected mode of the CP 243-2, this indicates that automatic
address programming of an AS-i slave is possible. The automatic
address programming makes it much easier to exchange a defective
AS-i slave on the AS-i cable (for more detailed information refer to
Section 6.1).

CER (yellow)

Configuration
Error

This LED indicates whether the slave configuration detected on the
AS-i cable matches the expected configuration (LPS). If they do not
match, the CER LED is lit.

The CER LED is lit in the following situations:

When a configured AS-i slave does not exist on the AS-i cable (for
example failure of the slave).

When an AS-i slave exists on the AS-i cable but it was not
previously configured.

When a connected AS-i slave has different configuration data (I/O
configuration, ID code, extended ID1 code, extended ID2 code)
from the AS-i slave configured on the CP 243-2.

When the CP 243-2 is in the offline phase.

APF (red)

AS-i Power Fail

This indicates that the voltage supplied by the AS-i power supply unit
on the AS-i cable is too low or has failed.

PWR (green)

Power

The PWR LED (power) indicates that the CP 243-2 is supplied with
power.