Owner's manual

133
Appendices
Appendices
Appendix E Indications on the N-400
The N-400 displays the following codes:
■ Status indication
These codes indicate that the N-400 is in a special condition.
S0 (
5050
5050
50):
When you press and hold the test switch for five seconds, this code is displayed.
When the N-400 displays this code, the communication parameters are set as
follows: ( ➮ See p. 48. )
This code is used to send settings to the N-400 on the N-400 setup software.
Baud rate: 9600 bps
Data length: 7 bits
Parity: Even
Stop bit length: 1 bit
Using PLC link: Disable
S1(
5151
5151
51):
The code indicates that the N-400 is in SETUP mode. This code is displayed after
the SSET command is sent, or while settings are sent to the N-400 or received
from the N-400 on the setup software.
■ Error indication
The following codes indicate that the N-400 is in an abnormal condition.
“99”:
9999
9999
99
That the N-400 is defective. If this error cannot be removed even when the test
switch is pressed, contact KEYENCE.
“98”:
9898
9898
98
Indicates an EEPROM memory error. All the settings will be initialized. Press the
test switch to reset this error.
“97”:
9797
9797
97
Indicates a data overflow in the N-400’s buffer. Press the test switch to reset this
error.
“96”, ”95”:
96 9596 95
96 9596 95
96 95
Displayed when communication is abnormal in PLC link mode. (Indicates a PLC
link error.) Press the test switch to reset this error.