Modbus TCP gateway
Wieland Electric GmbH | BA000970 | 07/2019 [9855]
62
Error
Possible cause
Possible remedy
LED ACT
Orange
DHCP server, another
address was allocated to
the SP-COP2-ENI module,
which is unknown to the
PLC.
le in the DHCP server (ma-
nual assignment using the
MAC address of the SP-
COP2-ENI module).
MS LED
Green
The SP-COP2-ENI / the sa-
mosPRO system is in the “Criti-
cal error” state.
• The SP-COP2-ENI module is
not properly connected to
the other modules.
• The module connection
plug is dirty or damaged.
• Another module in the
samosPRO system has an
internal critical error.
• The voltage supply for the
SP-COP2-ENI module is or
was outside the specifica-
tions.
• Plug the SP-COP2-ENI mo-
dule in correctly.
• Clean the connection plug
and socket.
• Switch on the power supp-
ly again.
• Check the power supply.
• Check the other modules of
the samosPRO system.
LED PWR/EC
Red
LED LINK
Green
LED ACT
Orange
MS LED
Red
State bits
78215947
The Modbus TCP Gateway SP-EN-MOD sets status bits, which are available in the logic editor of sa-
mosPLAN
6 for processing.
Table 32: Meaning of the state bits SP-EN-MOD[0] in the logic editor
Name of the state bits
Set to 1, if ...
Reset to 0 ...
Output status
... At least one output data byte
was sent without error.
... If there is a missing Modbus
TCP connection to the PLC.
Input status
... At least one input data byte
was sent without error.
... If there is a missing Modbus
TCP connection to the PLC.
Internal state
… The Modbus function in SP-
COP2-ENI is ready for communi-
cation
From module version E-01.01:
If the Modbus function in SP-
COP2-ENI is ready for communi-
cation or if at least one input or
output byte was downloaded or
transmitted without errors.
... If an error has occurred in the
Modbus function.
6.5