B&B Electronics VFG3000 - Manual - Manual (Page 378)

E THERNET C OMMUNICATION V LINX F IELDBUS G ATEWAY M ANAGER U SER M ANUAL
P AGE 362
E
THERNET
C
OMMUNICATION
This section is used to troubleshoot the communication between two devices linked
via Ethernet.
TIP: For communication troubleshooting, it is strongly advised to create a new Fieldbus
Gateway Manager database including only one data tag mapped to a known register in
the target device.
P ROBLEM P OSSIBLE C AUSES P OSSIBLE S OLUTIONS
Values show “ ----” Incorrect target device IP address. Check the target device IP address in
Fieldbus Gateway Manager (in
communications on the PLC symbol)
to match the target device IP address
setup.
Incorrect cable or wrong connection. Check the LED on the Fieldbus
Gateway Manager device Ethernet
port. If none are lit, there are no
connections. Check the cable or that
the Ethernet port is enabled in Fieldbus
Gateway Manager, see below.
Ethernet port disabled. Check that the Ethernet port in
Fieldbus Gateway Manager is enabled.
Fieldbus Gateway Manager and target
devices are in a different address
domain.
 If no routers are present
on the network.
Check that the target device IP address
and Fieldbus Gateway Manager device
IP address are different but in the same
domain. (For example, both start with
the same three first numbers; ex:
192.168.2.xxx if the mask is
255.255.255.0).
 If a router is present on
the network.
Check the Fieldbus Gateway Manager
device Ethernet port gateway address
to match the router IP address.
Incorrect tag mapping. Check that the tag is mapped to an
existing register in the target device.