17
Anybus Option Modules
4.3 Modbus TCP
4.3.1 Fieldbus Interface
1
Network Status LED
2
Module Status LED
3
Link/Activity LED (port 1)
4
Link/Activity LED (port 2)
4.3.1.1
Network Status LED
NOTE
: A test sequence is performed on this LED during start-up.
LED State
Description
Off
No power or no IP Address
Green
At least one Modbus message received
Green, flashing
Waiting for first Modbus message
Red
Duplicate IP address
Red, flashing
Connection timeout. No Modbus message has been received within
the configured “process active timeout” time
4.3.1.2
Module Status LED
NOTE
: A test sequence is performed on this LED during start-up.
LED State
Description
Off
No power
Green
Normal operation
Red
Major fault
Red, flashing
Recoverable fault(s)
4.3.1.3
LINK/Activity LED
LED State
Description
Off
No link, no activity
Green
Link (100 Mbit/s) established
Green, flickering
Activity (100 Mbit/s)
Yellow
Link (10 Mbit/s) established
Yellow, flickering
Activity (10 Mbit/s)