Status Displays - Siemens SIMATIC IPC427D Operating Instructions Manual

1.2.2

Status displays

Device with PROFIBUS
LED
PC ON/WD
RUN/STOP / L1
ERROR / L2
MAINT /
L3
For additional information on controlling the LEDs or the MRAM with a Windows operating
system, please refer to Output register user LED L1/L2/L3 (read/write, address 404Eh)
(Page 135). 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)
SIMATIC IPC427D
Operating Instructions, 05/2017, A5E31347215-AB
State
Off
Green
Flashing green/yellow
(1 Hz)
Yellow
Flashing red (1 Hz)
Off
Green
Yellow
Off
Red
Flashing red
Off
Yellow
Red
1.2 Design of the device
Description
-
BIOS ready to boot
BIOS in POST, power switch on
Idle state
Watchdog status display: active
-
Can be controlled by user program
Can be controlled by controller program (e.g.
WinAC)
-
-
Can be controlled by user program or controller
program (e.g. WinAC)
-
-
Can be controlled by controller program
(e.g. WinAC) and shows group errors of the on-
board CP1616 interface.
Overview
19