Mitsubishi Electric GOT2000 Series User Manual page 203

8) Loop status
For the MELSECNET/H and MELSECNET/10 network systems, the loop status is displayed as shown below.
F indicates the forward loop and R indicates the reverse loop.
Forward loop: OK
Reverse loop: OK
F
R
Loopback in execution
F
R
For the MELSECNET(II)network system, the loop status is displayed as shown below.
F indicates the forward loop and R indicates the reverse loop.
Data link in execution
in forward loop
F
R
Loopback is performed in the
forward loop direction only
F
R
For the CC-Link IE controller network, the loop status is displayed as shown below.
Normal status
For the CC-Link IE field network, the loop status is displayed as shown below.
Normal status (ring topology)
Error status (ring topology)
9) [Number of installed network modules]
This shows the number of installed network modules.
Forward loop: OK
Reverse loop: NG
R
Forward loop: NG
Reverse loop: NG
F
R
Data link in execution
in reverse loop.
R
Loopback is performed in the
reverse loop direction only.
Loopback in execution
Loopback in execution on
PORT1side (ring topology)
PORT1
PORT2
Normal status
(star topology, line topology)
F
MELSECNET/10
coaxial bus (OK)
F
F
R
Loopback in execution on
PORT2 side (ring topology)
Error status
(star topology, line topology)
6.4 Operation Procedures
Forward loop: NG
Reverse loop: OK
F
R
MELSECNET/10
coaxial bus (NG)
Loopback is performed
in the forward, reverse
loop direction. F
R
Data link is not available.
F
R
All stations with errors
PORT1
PORT2
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