Table of Contents
ZS550
5–6
LED displays
5.2.2
Busmaster Functionality
Status display
LED display
Description
LED red: Stop
lit
Module stop by ZS (CPU) (detailed info on 7-segment
status display)
ZS (CPU) in Run mode
off
LED green: AS
lit
Outputs disabled:
D all outputs are set to "0".
D PLC program is processed
D I/O image is processed
off
Outputs not disabled
LED green: Fix
lit
In-/outputs/markers are fixed by PLC utility program
off
In-/outputs/markers are not fixed
Select: Busmaster functionality
cyclic I/O processing
Dev
Status display refers to busmaster functionality
1070 072 263-101 (01.08) GB
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