C200Hx/Hg/He Controller Link Unit - Omron C200HW-CLK21 Operation Manual

Component Names and Functions
3-1-3

C200HX/HG/HE Controller Link Unit

CLK21
RUN
ERC
INS
SD
RD
NODE NO.
1
X10
0
ON
SW1
ON
BD H
BD L
SHLD
Terminating resistance switch (underneath the Unit)
A slide switch. Use this switch to set the terminating resistance to ON for
nodes at both ends of the Controller Link Network.
Wired Unit Indicators
TER
ERH
M/A
LNK
0
X10
1
4 #0, #1
3 RSV
2
BAUD
RATE
1
TER
SW
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)
(Refer to p. 49 and 276)
Indicators
LED indicators that display the Unit and network status.
(Refer to p. 94)
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 and operating level settings
A four-pin DIP switch. The following settings are made.
Pins 1, 2: Baud rate
Pin 3: Not used (leave set to OFF)
Pin 4: Operating level
Bus Connection Unit Connector
Connector used for connection to the CPU Unit.
Terminal block for the communications cable
Terminals to connect to the Controller Link Network communications
cable (twisted-pair cable).
(Refer to p. 96)
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, EEPROM
error, or PLC model setting 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 Data links participating.
Flashing Error in data link table.
Not lit Not in a data link or data link inactive.
Yellow Lit Data transmission.
Not lit No data transmission.
Section 3-1
(Refer to p. 95)
(Refer to p. 59)
(Refer to p. 66)
Meaning
Note:
M/A is always not lit
when data links are not
active in the network.
49