Status Displays - Siemens simatic ipc227e Operating Instructions Manual

Overview
1.2 Structure of the devices
1.2.5

Status displays

LED
PC ON/WD
RUN/STOP / L1
ERROR / L2
MAINT /
L3
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)
16
State
Off
Green
Flashing green/yellow (1 Hz)
Yellow
Flashing red (1 Hz)
Off
Green
Yellow
Off
Red
Yellow
Off
Yellow
Red
Description
-
BIOS ready to boot
BIOS in POST, power switch on
Idle state
Watchdog status display: active
-
Can be controlled by user program / control
program (e.g. WinAC)
-
Can be controlled by user program / control
program (e.g. WinAC)
-
Can be controlled by user program / control
program (e.g. WinAC)
Operating Instructions, 11/2016, A5E35782395-AB
SIMATIC IPC227E