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NRG User Manual | © 2020 | CARLO GAVAZZI LTD.
V1.0 | NRG EtherNet/IP User Manual | © 2020 | CARLO GAVAZZI LTD.
EN
7.
Alarms and Diagnostics
The NRG bus chain is equipped with on-board diagnostics to facilitate troubleshooting. The status of each
component can be identified via the status LEDs on the façade of the product as well as via the communication
system.
The errors identified by the NRG controller indicate any identified issues relating to the status of the NRG internal bus.
On the other hand, the alarms on the NRG solid state relay indicate any alarms relating to the SSR or the process.
7.1
LED indications
–
NRG Controller
ON
Green
ON:
US is present at terminals Us+ Us-
OFF:
US is not present at terminals Us+ Us-
Link
(X1, X2)
Green
ON:
The NRG controller is linked to Ethernet
OFF:
The NRG controller has no link to Ethernet
RX/TX
(X1, X2)
Yellow
Flickering:
The NRG controller is sending/receiving Ethernet frames
OFF:
The NRG controller is not sending/receiving Ethernet frames
Bus
Yellow
ON:
Transmission of messages from NRG Controller to RG..Ns
OFF:
Internal bus is idle
MS
Red /
Green
Green:
NRG Controller is operational
Green Flickering NRG Controller has not been configured
Green / Red
Flickering:
NRG Controller is performing its power-up testing
Red:
NRG Controller has detected a major unrecoverable fault
Red
Flickering:
NRG Controller has detected a major recoverable fault
OFF:
NRG Controller is powered off
NS
Red /
Green
Green:
Connected: An IP address is configured and at least one CIP
connection is established
Green
Flickering:
No connections: An IP address is configured but no CIP
connections are established
Green / Red
Flickering:
NRG Controller is performing its power-up testing
Red:
Duplicate IP: NRG Controller detected that its IP address is
already in use
Red
Flickering:
Connection timeout: An IP address is configured and and
Exclusive Owner connection has timed out
OFF:
NRG Controller does not have an IP address or is powered off.
Alarm
Red
2 Flashes:
Configuration error
(Device limit error, Device conflict error, Device unconfigured
error, Device position error)
4 Flash
Supply error
8 Flashes
Communication error
9 Flashes
Internal error
10 Flashes
Termination error
7.2
LED indications
–
RG..N
LOAD
Green
ON:
SSR output is ON
OFF:
SSR output is OFF
BUS
Yellow
ON:
Communication ongoing between NRG controller and RG..Ns
OFF:
Communication between NRG controller and RG..Ns is idl
Alarm
Red
100% ON:
SSR over-temperature
1 Flash
Load deviation
2 Flashes
Mains loss
3 Flashes
Load loss / SSR open circuit
4 Flashes
SSR short circuit
5 Flashes
Frequency out of range
6 Flashes
Current out of range
7 Flashes
Voltage out of range
