Internal Error Code Registers - ABB FMBT-21 User Manual

56 Modbus/TCP – Diagnostics
Name Color
Flashing green
Green
Flashing red
HOST
Flashing orange, al-
ternating with the
MODULE flashing
orange
Off
Flashing orange
Orange
Flashing green
Green
MODULE
Flashing red
Red
Flashing orange, al-
ternating with the
HOST flashing or-
ange
Off
Flashing green
NETWORK /
NET
Flashing orange

Internal error code registers

A Modbus query can fail in many ways in the drive. The Modbus standard does not
specify detailed error descriptions. In addition to the standard error codes, the FMBT-21
adapter module provides an internal error register area for more detailed diagnostics.
Function
Establishing communication to drive
Connection to drive OK
Communication to drive lost temporarily
Internal file system error. The error may be cleared by cycling drive
power. If the error persists, contact your local ABB representative.
There is no power applied to the device.
Device is attempting to obtain IP configuration from the DHCP
server.
Device is executing Duplicate Address Detection.
Device is waiting for a Modbus request.
Device has received a Modbus request within the Modbus/TCP
Timeout period.
Ethernet link is down.
Ethernet interface is disabled. Duplicate Address Detection may
have detected a duplicate address. Check the IP configuration and
either initiate a Fieldbus Adapter parameter refresh or cycle power
to the drive.
Internal file system error. The error may be cleared by cycling drive
power. If the error persists, contact your local ABB representative.
Ethernet link is down.
Ethernet link is up at 100 Mbps.
Flashing indicates activity on interface.
Ethernet link is up at 10 Mbps.
Flashing indicates activity on interface.