Cs-Series Serial Communications Unit - Omron SYSMAC CS1W-SCB41-V1 Operation Manual

Component Names and Functions
2-1-2

CS-series Serial Communications Unit

Indicators
66
CS1W-SCU21-V1
SCU21-V1
RUN RDY
Indicators
ERC ERH
SD2
SD1
RD1 RD2
Unit number
UNIT
No.
switch
Port 1
RS-232C
PORT1
Port 2
RS-232C
PORT2
Indicator Color
RUN Green Lit
Not lit
RDY Green Lit
Flashing
Not lit
ERH Red Lit
Flashing
Not lit
ERC Red Lit
Flashing
Not lit
SD1 Yellow Lit
Not lit
RD1 Yellow Lit
Not lit
TER1 (see Yellow Lit
note 3)
Not lit
SD2 Yellow Lit
Not lit
RD2 Yellow Lit
Not lit
TER2 (see Yellow Lit
note 3)
Not lit
CS1W-SCU31-V1
SCU31-V1
RUN RDY
ERH
ERC
SD1 SD2
RD2
RD1
TER1 TER2
UNIT
No.
TERM OFF ON
WIRE 2 4
PORT1
(RS422
/485)
TERM OFF ON
WIRE 2 4
PORT2
(RS422
/485)
Status
Operating normally
Unit hardware error.
Protocol macro preparations have been com-
pleted.
Protocol macros are being prepared. (see note
1)
Hardware error in Serial Communications Unit.
CPU Unit error, or this Unit has not been regis-
tered in the I/O table. Routing tables incor-
rectly registered in the Unit.
System Setup error (see note 2)
CPU Unit is operating normally and the Setup
Area settings are normal.
Unit hardware error, or loopback test error
Protocol data syntax error or protocol data
error (SUM error).
Unit is operating normally.
Port 1 is being used for sending.
Port 1 is not being used for sending.
Port 1 is being used for receiving.
Port 1 is not being used for receiving.
Terminating resistance is connected internally
for port 1.
Terminating resistance is not connected inter-
nally for port 1.
Port 2 is being used for sending.
Port 2 is not being used for sending.
Port 2 is being used for sending.
Port 2 is not being used for sending.
Terminating resistance is connected internally
for port 2.
Terminating resistance is not connected inter-
nally for port 2.
Section 2-1
Terminating resistance switch
(for port 1)
2-wire or 4-wire switch
(for port 1)
Port 1
RS-422A/485
Terminating resistance switch
(for port 2)
2-wire or 4-wire switch
(for port 2)
Port 2
RS-422A/485
Meaning