Manual – MOVI-PLC® advanced DHE41B/DHF41B/DHR41B Controller
21
4
Installing the MOVI-PLC® advanced DHE41B controller
Mounting/Installation Instructions
4.3.7 Operating displays of the MOVI-PLC
®
advanced DHE41B controller
The MOVI-PLC
®
advanced DHE41B controller has 10 LEDs (L1 ... L10) that display the
current status of the MOVI-PLC
®
advanced DHE41B controller and its interfaces.
LED L1
(CAN 1 status)
The LED L1 indicates the status of the CAN 1 system bus.
LED L2
(CAN 2 status)
The LED L2 indicates the status of the CAN 2 system bus.
LED L3 (IEC
program status)
The LED L3 indicates the status of the IEC-61131 control program.
Status of the LED
L1
Diagnostics Troubleshooting
Orange The CAN 1 system bus is being initial-
ized.
-
Green The CAN 1 system bus is initialized.
Flashing green
(0,5 Hz)
The CAN 1 system bus is currently in
SCOM suspend mode.
Flashing green
(1 Hz)
The CAN 1 system bus is currently in
SCOM On mode.
Red The CAN 1 system bus is off (BUS-
OFF).
1. Check and correct the cabling of the
CAN 1 system bus.
2. Check and correct the baud rate set
for the CAN 1 system bus.
3. Check and correct the terminating
resistors of the CAN 1 system bus.
Flashing red
(1 Hz)
Warning on the CAN 1 system bus. 1. Check and correct the cabling of the
CAN 1 system bus.
2. Check and correct the baud rate set
for the CAN 1 system bus.
Status of the LED
L2
Diagnostics Troubleshooting
Orange The CAN 2 system bus is being initial-
ized.
-
Green The CAN 2 system bus is initialized. -
Flashing green
(0,5 Hz)
The CAN 2 system bus is currently in
SCOM suspend mode.
-
Flashing green
(1 Hz)
The CAN 2 system bus is currently in
SCOM On mode.
-
Red The CAN 2 system bus is off (BUS-
OFF).
1. Check and correct the cabling of the
CAN 2 system bus.
2. Check and correct the baud rate set
for the CAN 2 system bus.
3. Check and correct the terminating
resistors of the CAN 2 system bus.
Flashing red
(1 Hz)
Warning on the CAN 2 system bus. 1. Check and correct the cabling of the
CAN 2 system bus.
2. Check and correct the baud rate set
for the CAN 2 system bus.
Status of L3 Diagnostics Troubleshooting
Green IEC program is running. -
Off No program is loaded. Load a program into the controller.
Flashing orange (1
Hz)
Program has stopped. Bootloader update required (see chapter
"SD memory card type OMH41B-T.")