LED Location
Expected
state
Unexpected state and action
PSM3.1 Power
On the front plate of PSM3.1
Green
Red
Wait for the self-check and/or software update to
complete.
If necessary, use the hardware module self-check
LEDs to find and replace the defective hardware
module(s).
Off
Check the controller power supply.
If necessary, replace the power supply module.
PCM3.1 Self-
check OK
On the front plate of PCM3.1
Green
Red (flashing slowly)
One or more hardware module self-check is not OK.
Wait for the self-check and/or software update to
complete.
If necessary, use the hardware module self-check
LEDs to find and replace the defective hardware
module(s).
Green (flashing)
The software update has failed to apply correctly.
Off
There is no power from the rack's backplane.
If necessary, replace the rack and/or the PCM3.1.
Hardware
module self-
checks
At the top of the hardware modules,
inside the rack frame.
Do not check these LEDs unless
the PSM3.1 Power LED or the
PCM3.1 Self-check OK LED shows
that there is a defective hardware
module.
These LEDs may be hidden by
wiring, or invisible due to too much
ambient light.
Off
One or more LEDs are lit
Wait for the self-check and/or software update to
complete.
If necessary, replace the defective hardware
module(s).
See Controller equipment, Controller rack in the Operator's manual for more information.
3.3 Ethernet communication
3.3.1 Plug and play connections in the network
The network is plug and play for the following connections:
• Display unit connected to a controller.
• Controllers connected to each other (for example, in a line or a ring).
• Any controller connected to a computer running PICUS.
PPU 300 Commissioning guidelines 4189341106 UK
www.deif.com Page 19 of 75
To Next Page
Loading...
