Omron CVM1 Series, Operation Manual

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14
Component Names and Functions Section 2-3
2-3 Component Names and Functions
Component Names
LED Indicators
Note A node address setting error will occur when the node address is not in the
allowed setting range (0 to 31 for single-level operation or 0 to 15 for multi-
level operation).
LK401
6
S
OTHER
THIS
ERH
LINK 0
ERC
RUN
LED Indicators
Unit Number Setting Switches
Node Address Setting Switches
P Switch (SW1)
erminating Resistance Setting Switch
PC Link Connector
(Connects to another PC Link Unit or
Link Adapter.)
ransmission Line Selector Switch
Name Color Status Unit status
RUN
(Run)
Green Lit The Unit is operating normally. (Lit after initialization
is completed.)
Not lit Unit error
ERC
(Communica-
tions error)
Red Lit A hardware error or node address setting error
occurred. (See note.)
Flashing A link error occurred with the polling node link, Local
Unit link, or Other Unit link.
Not lit The Unit is communicating normally.
ERH
(PLC error)
Red Lit An error occurred in the PLC, such as a CPU Unit
error, PLC interface error, EEPROM error, unit num-
ber setting error, or I/O table setting error.
Not lit There are no errors in the CPU Unit.
LINK0
(Node 0/Polling
node link)
Yellow Lit Normal status, link established with Node 0 (polling
node)
Not lit Error status, link not established with Node 0 (polling
node)
THIS
(Local Unit link)
Yellow Lit Normal status, link established with local Unit
Not lit Error status, link not established with local Unit
OTHER
(Other Unit link)
Yellow Lit Normal status, link established with other Unit
Not lit Error status, link not established with other Unit
LK401
RUN
ERH
THIS
LINK0
ERC
OTHER