Led Display - WAGO 750-306 Technical Description

56 • Fieldbus Coupler/Controller
Fieldbus Coupler 750-306

3.1.8 LED Display

The Coupler possesses several LEDs for on site display of the Coupler oper-
ating status or the complete node.
Fig. 3-18: Display elements 750-306
The module status (MS) and the network status (NS) can be displayed by the
top 4 LED's. They react as described in the table.
Module status (MS)
OVERFL
(red)
off
off
off
blinking
on
blinking
Table 3-1: Fault and status displays: MS
Network status (NS)
BUSOFF
(red)
off
off
off
blinking
on
Table 3-2: Fault and status displays: NS
DeviceNet 01 02
OVERFL
A
C
MS
B
RUN
D
BUS OFF
24V 0V
NS
CONNECT
I/O
RUN
(green)
off
on
blinking
off
off
blinking
CONNECT
(green)
off
blinking
on
off
off
C
A
State of device Meaning
no power No power supply to the device.
device operational The device operates correctly.
device in standby The device needs to be configured or has been partly
configured.
minor fault A minor fault has occurred. It exists a diagnostics.
unrecoverable fault The device is defective, needs to be serviced or
replaced.
device self testing The device performs a built-in check.
State of device Meaning
not powered, not online No power supply to the device / fieldbus supply /
DeviceNet cable not connected and „Duplicate MAC
ID detection" is not yet completed.
online, not connected The device operates correctly at the fieldbus. How-
ever, it has not yet been integrated by a scanner.
link ok online, connec- The device operates correctly at the fieldbus. At
ted least one connection to another device has been
established.
connection time out A minor fault has occurred (e.g. EPR is unequal 0
during a polling connection, slave is not polled any
longer).
critical link failure The device has detected a fault (duplicated MAC ID
check error). It is unable to perform any more func-
tions in the network.
g030602x
WAGO-I/O-SYSTEM 750
DeviceNet