Siemens simatic ipc227e - Status Displays

Overview
1.2 Structure of the devices
SIMATIC IPC227E
16 Operating Instructions, 11/2016, A5E35782395-AB
1.2.5
Status displays
LED
State
Description
PC ON/WD
Off
-
Green
BIOS ready to boot
Flashing green/yellow (1 Hz)
BIOS in POST, power switch on
Yellow
Idle state
Flashing red (1 Hz)
Watchdog status display: active
RUN/STOP / L1
Off
-
Green
Can be controlled by user program / control
program (e.g. WinAC)
Yellow
ERROR / L2
Off
-
Red
Can be controlled by user program / control
program (e.g. WinAC)
Yellow
MAINT /
L3
Off
-
Yellow
Can be controlled by user program / control
program (e.g. WinAC)
Red
You can find information on the individual LEDs in the section Output register user
LED L1/L2/L3 (read/write, address 404Eh) (Page 117). Example programs for controlling the
LEDs on Windows operating systems are available on the Customer Support page of
Siemens Industry Automation and Drive Technologies.
(http://www.siemens.com/automation/service&support)