Display Elements; Configuration Interface - WAGO 750-341 Manual

40 • Fieldbus Coupler 750-341
Hardware
3.1.2.4

Display Elements

The operating condition of the coupler or the node is displayed with the help
of illuminated indicators in the form of light-emitting diodes (LEDs).
The LED information is routed to the top of the case by light fibres. In some
cases, these are multi-colored (red/green or red/green/orange).
ETHERNET ETHERNET
Fig. 3.1-3: Display Elements 750-341
LED
LINK
MS
NS
TxD/RxD green
IO
A
C or B
3.1.2.5

Configuration interface

The configuration interface used for the communication with WAGO-I/O-
CHECK or for firmware download is located behind the cover flap.
Configuration
interface
Fig. 3.1-2: Configuration interface
The communication cable (750-920) is connected to the 4 pole header.
01 02 01 02
LINK LINK
A A A A
C C
C C C C
B B B B
A A
MS MS
D D
NS NS
24V 0V 24V 0V
TxD/RxD TxD/RxD
I/O I/O
+ + + +
USR
Color Meaning
green Link to a physical network exists
red/green The ‚MS'-LED indicates the state of the node (Module State)
red/green The ‚NS'-LED indicates the state of the network (Network State)
Data exchange taking place
red /green The 'I/O'-LED indicates the operation of the node and signals faults
/ orange encountered
green Status of the operating voltage – system
green Status of the operating voltage – power jumper contacts
(LED position is manufacturing dependent)
open
flap
01 02
ETHERNET
LINK
A A
C C A
B B
MS
B
D
NS
24V 0V
TxD/RxD
I/O
+ +
g034102x
g012945e
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP