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1 status and fault leds – Siemens Simatic S7-400 User Manual

Page 434

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CPUs for M7-400

11-6

S7-400, M7-400 Programmable Controllers Module Specifications

A5E00069467-07

11.3.1

Status and Fault LEDs

Status and Fault LEDs

The CPU 486-3 and CPU 488-3 have the following status and fault LEDs:

INTF

EXTF

SD

HD

USR1

USR2

RUN

STOP

Figure 11-2

Status and Fault LEDs on the CPU 486-3 and CPU 488-3

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