Cqm1H-Series Controller Link Unit - Omron SYSMAC CS1W-RPT01 Operation Manual

Component Names and Functions
3-1-5

CQM1H-series Controller Link Unit

Wired Unit Indicators
Indicators
LED indicators that display the Unit and network status.
Node address switches
Two rotary switches. The node address of the Unit on the
Controller Link Network is set in 2-digit decimal.
Baud rate switch
bit/s
Terminating resistance switch
k
A slide switch. Use this switch to set the terminating resistance to ON for
the nodes at both ends of the Controller Link Network.
Terminal block for the communications cable
Terminals to connect to the Controller Link Network communications
cable (twisted-pair cable).
Name
RUN
(operating)
TER
(terminating
resistance)
ERC (communica-
tions error)
ERH
(PLC error)
INS
(network
participation)
M/A
(data link mode)
LNK
(data link)
SD
(send)
RD
(receive)
(Refer to pages 55, 274)
(Refer to page 103)
(Refer to page 103)
Color Status
Green Lit Unit operating normally.
Not lit Unit error.
Yellow Lit Terminating resistance switch ON.
Not lit Terminating resistance switch OFF.
Red Lit Communications error, node address
setting error (same address set twice), or
hardware error.
Not lit Normal operation
Red Lit PLC error, PLC interface error, or
EEPROM error
Not lit No error.
Yellow Lit Unit is participating (inserted) in the net-
work.
Not lit Unit is not participating (inserted) in the
network.
Yellow Lit Manual
(see note)
Not lit Automatic
Yellow Lit Participating in data links.
Flashing Error in data link tables.
Not lit Not in a data link or data link inactive.
Yellow Lit Data transmission.
Not lit No data transmission.
Yellow Lit Data reception.
Not lit No data reception.
Section 3-1
(Refer to page 104)
(Refer to page 68)
Meaning
Note:
M/A is always not lit
when data links are not
active in the network.
55