—
Diagnosis / behavior in case of an error
status of the Modbus TCP connection.
Diagnosis information is accessible
• with the locally available lamps and
• via the Modbus TCP services.
LED status indications
of the LEDs is as follows:
LED
Port 1,2,3,4
Explanation
Disabled (no device configured)
Green blinking Startup (waiting for device)
Green on
running
Red blinking Communication fault
Green / Red alternating
and connected device address.
E.g. caused by swapping two devices.
Wrong device type connected.
*) Only for intelligent devices like UMC or PST. Not for passive sensors.
—
MTQ22-FBP.0 Status
LED RDY
General Status
Explanation
Green on Normal
Red blinking Minor error, e.g. wrong configuration or
IP address already available in the network.
Red on Major internal fault. If the error is permanent after
reboot, the device must be replaced.
LED TCP
Communication Status
Explanation
Green blinking Waiting for Modbus TCP connection
Green on At least one Modbus TCP connection established
Red blinking
Red on
Green / Red alternating Error in the TCP/IP configuration
—
Ethernet Status
Off On Flashing
Data LED Yellow No network traffic Communication with network
active
(traffic).
Link LED Green No connection to network, e.g.
because a cable is not plugged in
or a wire is broken.
Connection to network
established (e.g. connection with
network switch)
Port 1
Port 2
Port 3
RDY
TCP
Link
Data
Link
Data
Port 4
E2
E1
X1
X2
X3
X4
29 UNIVERSAL MOTOR CONTROLLER UMC100.3 | MTQ22-FBP.0 MODBUS TCP MANUAL
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