Scope of supply
Operating Manual EM-PQ 2300
39
The red LED near the
Display connector lights up or
flashes.
Display connection
overloaded
Disconnect the Display connection as a test. If the
red LED now goes off, investigate the cause of
the overload and rectify it.
EM-FD 2500 Display instrument
The EM-PQ 2300 is not
shown in the Display main
menu.
Fault in bus wiring
- Wiring fault
- Cable length exceeds 40 m.
- Unsuitable cable installed
- Drop lines have been installed
—only a single-
line bus is permitted.
- More then two
—or less than two—terminating
resistors are activated.
- One or both terminating resistors are not
located at the end(s) of the bus.
FRAKO Starkstrombus
The instrument is not
identified by Device
Manager.
Bus wiring incorrect
Check wiring.
The instrument is not
identified by Device
Manager, or only
sporadically; communication
faults
Bus address already
assigned to another device
Disconnect the EM-PQ 2300 from the bus and
check the bus addresses with Device Manager. Is
the address assigned to the EM-PQ 2300 still
displayed? If yes, assign a new available address
to the EM-PQ 2300.
Network/Ethernet
No LED lights up on the
RJ45 jack with the network
cable plugged in.
Cable not fully home in the
jack, not plugged in at the
other end or incorrect
cable type used
Press plugs fully home in the jacks at both ends.
A standard cable must be used, not a crossover
type.
Instrument cannot be
accessed.
Incorrect configuration of
the network parameters
Use an IP address that is valid in the network. Set
the subnet mask in compliance with the network
rules, if necessary specifying the correct gateway.
Digital outputs Digital OUT 1 und 2
No output
No assignment to
measured variables or
events configured
These settings can be made and activated using
the software Device Manager.
13. Scope of supply
-
1 EM-PQ 2300 instrument
-
10 assorted connectors, some coded, plugged into instrument
-
1 operating manual
