Hitachi CMU LPQ520, User Manual

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2 NAMES AND FUNCTIONS OF EACH PART
2-2
2.1 Names and Functions of Each Part
(1) LQP520
No. Name Function
①
LED
indicators Indicate the operating status of the CMU module.
RUN (green): The C-mode program is running.
PROT (green): Writing from a task to SEQ RAM is
disabled.
ALARM: Glows to indicate that an error that is not serious
enough to disrupt CMU module operations is
detected.
USER: Glows to indicate an invalid user setting.
ERR: Glows to indicate that a hardware error, serious fault
or any other problem that is serious enough to
disrupt CMU module operations is detected.
②
T/M switch 0: Normal mode of operation
A: CMU program operations disabled
F: Test mode (Do not set this position.)
Any other value is reserved for maintenance purposes and
should not be set.
③
Station
number
switches 0, 0: The CMU operates at the set IP address.
F, F: The CMU operates at IP address 192.192.192.1.
Any other value should not be set.
④
Ethernet
LINE
indicator Glows to indicate that the CMU is connected to an
Ethernet line.
⑤
Ethernet
ACTIVE
indicator Glows when the CMU is communicating data on Ethernet.
⑥
Ethernet
connector Connector used for 10BASE-T and 100BASE-TX
communication.
NOTICE
When setting the station number switch, turn off the power switch.
LQP520
T/M
RUN
ALARM
ERR
CMU
USER
PROT
U
ST.No.
L
10/100
BASE-T
ACTIVE
/LINE
S10V
①
②
③
④
⑤
⑥