WAGO I/O System 750 Series User Manual

Fieldbus Coupler • 59
Fieldbus Coupler 750-346
WAGO-I/O-SYSTEM 750
DeviceNet
3.1.8 LED Display
The coupler possesses several LEDs for on site display of the coupler operat-
ing status or the complete node.
750-346
OVERFL
RUN
BUS OFF
DEVICENET
CONNECT
I/O
NS
MS
Fig. 3-18: Display elements 750-346 g034602x
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
OVERFL
(red)
RUN
(green)
State of device Meaning
off off no power No power supply to the device.
off on device operational The device operates correctly.
off blinking device in standby The device needs to be configured or has been partly
configured.
blinking off minor fault A minor fault has occurred. It exists a diagnostics.
on off unrecoverable fault The device is defective, needs to be serviced or
replaced.
blinking blinking device self testing The device performs a built-in check.
Table 3-1: Fault and status displays: MS
Network status
BUSOFF
(red)
CONNECT
(green)
State of device Meaning
off off 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.
off blinking online, not connected The device operates correctly at the fieldbus. How-
ever, it has not yet been integrated by a scanner.
off on link ok online, con-
nected
The device operates correctly at the fieldbus. At
least one connection to another device has been
established.
blinking off connection time out A minor fault has occurred.
on off critical link failure The device has detected a fault. It is unable to per-
form any more functions in the network.
Table 3-2: Fault and status displays: NS

WAGO I/O System 750 Series Specifications

General

Brand	WAGO
Model	I/O System 750 Series
Category	I/O Systems
Language	English