7
No. Name
Contents
Name Status
Contents
AB.IF
y
Consecutive 1s exceeding the specified number
were received.
y
Length of received data is too short.
<Cause> Timing at which station sending data to
target station is disconnected from network, too
short monitoring time, cable fault, noise, etc.
TIME
Token has not reached host within monitoring time.
<Cause> Monitoring time too short, cable fault,
noise, etc.
DATA
Data with erroneous code was received.
<Cause> Cable fault, noise, etc.
UNDER
ON
Internal send data processing is not done at fixed
intervals.
<Cause> Hardware failure
SD
Data being sent
1) LED
RD
Dimly
ON
Data being received
2) Reset
switch
RESET
Resets the host station hardware.
3)
*1
Station number setting
switch
0
5
0
5
STATION
NO.
X10
X1
the second
digit
the first
digit
Station number setting (factory setting at time of shipping: 1) *2
<Setting range>
1 to 64
:Station number
Other than 1 to 64 :Setting error (The SW.E. LED turns ON)
Mode setting (factory setting at time of shipping: 0)
Mode
Name Contents
0 Online
(automatic
online return
effective)
Data link with automatic online return
effective
1
Not used (Setting to this turns on the SW.E. LED.)
2
Offline
Disconnects the host station.
3
Forward loop test
Checks the forward loop of the whole
network system.
4
Reverse loop test
Checks the reverse loop of the whole
network system.
5 Station-to-station
test
(master station)
6 Station-to-station
test
(slave station)
The mode for a line check between
two stations, in which the station with
the smaller number is regarded as the
master station and the other is
considered the slave station.
7
Self-loopback test
Check the hardware of a module in
isolation, including the communication
circuit and cables of the transmission
system.
8 Internal
self-loopback
test
Check the hardware of a module in
isolation, including the communication
circuit of the transmission system.
9
Hardware test
Check the hardware inside the
network module.
4)
*1
Mode setting switch
MODE
MODE
0: ONLINE(A.R)
2: OFFLINE
E
6
D
5
C
4
B
3
A
2
9
1
8
0F
7
A to F Not used
(Do not set the mode.)
Summary of Contents for MELSECNET/10 A1SJ72QLP25
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