
LED
Location
Expected
state
Unexpected state and action
PCM3.1 Self-
check OK
On the front plate of PCM3.1
Green
Off
There is no power from the rack's backplane, or there
is a
System not OK
alarm.
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 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.
• Any controller connected to a computer running PICUS.
• A single controller connected to a SCADA server.
3.3.2 Non-plug and play connections in the network
The network supports non-plug and play equipment, if it has the correct configuration.
Non-plug and play connections include:
• Controllers that are connected using a switch to a SCADA server or AMS. A technician with network expertise must
configure the switch.
• Controllers with a redundant connection to a SCADA server or AMS.
See
Hardware characteristics
,
DEIF Ethernet network
in the
Designer's handbook
for further information.
GPU 300 Commissioning guidelines 4189341033 UK
www.deif.com
Page 14 of 36