Installation manual
D
D
e
e
v
v
i
i
c
c
e
e
N
N
e
e
t
t
T
T
r
r
o
o
u
u
b
b
l
l
e
e
s
s
h
h
o
o
o
o
t
t
i
i
n
n
g
g
G
G
u
u
i
i
d
d
e
e
l
l
i
i
n
n
e
e
s
s
-------------|-----------------------------|--------------------|-----------------------|
Solid Red |The communications channel |The scanner may be |Reset module. If
|has failed.The two digit |defective. |failures continue,
|numeric display for the | |replace module.
|channel displays an error | |
|code that provides more | |
|information about the | |
|condition of the channel | |
-------------|-----------------------------|--------------------|-----------------------|
Flashing Red |The two-digit numeric display|At least one of the |Examine the failed
|for the channel display an |slave devices in the|device and check the
|error code that provides more|scanner's scan list |scan list table
|information about the |table has failed to |for accuracy.
|condition of the channel. |communicate with the|
| |scanner.The network |
| |has faulted. |
-------------|-----------------------------|--------------------|-----------------------|
Your 1747/1771-SDN Scanner Module has a node address/status indicator that uses numeric
displays to indicate diagnostic information about your module. The display flashes at
approximately 1 second intervals, depending on network traffic. The following table
summarizes the meanings of the numeric codes.
Numeric Code Description Take this action
---------------|-----------------------------------------|------------------------------|
Network Address|Normal operation. The numeric display | Do nothing
Displays |matches the scanner's node address on the|
0 - 63 |DeviceNet network |
---------------|-----------------------------------------|------------------------------|
|Scanner failed Duplicate Node Address |Change the scanner channel
70 |check |address to another available
| |one. The node address you
| |selected is already in use on
| |that channel.
---------------|-----------------------------------------|------------------------------|
|Illegal data in scan list table |Reconfigure scan list table
71 |(node number alternately flashes). |and remove any illegal data.
| |
---------------|-----------------------------------------|------------------------------|
|Slave device stopped communicating |Inspect the field devices and
72 |(node number alternately flashes). |verify connections.
| |
---------------|-----------------------------------------|------------------------------|
|Device's identity information does not |Verify that the correct device
73 |match electronic key in scan list table |is at this node number.
|entry (node number alternately flashes). |Make sure that the device at
| |the flashing node address
| |matches the desired electronic
| |key (vendor, product code,
| |product type).
---------------|-----------------------------------------|------------------------------|
Page 11 of 15