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09/02 Features and functions

CP 243-1

J31069-D0428-U001-A1-7618

LED display Color Meaning

RUN Green, continuous

Operational:

The CP 243-1 is ready for communication

CFG Yellow, continuous

Configuration:

Lights up when STEP 7 Micro/WIN 32 actively main-

tains a connection to the S7-200 CPU via the CP

243-1

Table 1: Functions of individual LED displays

While the CP243-1 is booting, the SF LED blinks twice. Then, the LINK LED and

the RX/TX LED blink several times. As soon as the RUN LED lights up, the

CP 243-1 has finished booting.

Siemens SIMATIC NET CP 243-1 User Manual

Questions and Answers: