Fieldbus Controller 750-872/020-000
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Hardware
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
LED
Color
Meaning
LINK
green
Link to a physical network exists
MS
red/green
The ‚MS‘-LED indicates the state of the node (Module State)
NS
red/green
The ‚NS‘-LED indicates the state of the network (Network State)
TxD/RxD green
Data exchange taking place
IO red
/green
/ orange
The 'I/O'-LED indicates the operation of the node and signals faults
encountered
USR red
/green
/ orange
The 'USR' LED can be controlled by a user program in a controller
A
green
Status of the operating voltage – system
B or C
green
Status of the operating voltage – power jumper contacts
(LED position is manufacturing dependent)
More Information
The evaluation of the displayed LED signals is described in Chapter 3.1.11
"LED Display".
3.1.3.5 Configuration and Programming Interface
The Configuration and Programming Interface port is located behind a cover
flap. This communications port can be use with WAGO-I/O-CHECK and
WAGO-I/O-PRO CAA, as well as for firmware downloading.
Configuration and
programming interface
Fig. 3.1-2: Configuration and Programming Interface
g01xx07e
A WAGO 750-920 Communication Cable is used to connect the 4 pin male
header and with a PC’s 9-pin RS232 interface.
Warning
The communication cable 750-920 must not be connected or disconnected
while the coupler/controller is powered on!