Led Indicators - Omron SYSMAC CS1 Operation Manual

Components

2-2-2 LED Indicators

Indicator Color Status
RUN Green
ON
Flashing DIP switch settings error.
OFF
ERR/ALM Red
ON
Flashing A non-fatal error has occurred (including FAL instruction execution)
OFF
BKUP Yellow ON
(CS1PC-
PCI01H-
DRM
only)
OFF
PRPHL Yellow
Flashing PLC Module is communicating (sending or receiving) via the peripheral port.
OFF
MCPWR Green
ON
Flashing Flashes once:
OFF
BUSY Yellow Flashing Memory Card is being accessed.
OFF
Indicator Color Status
MS Green
ON
Flashing Switch settings are being read.
Red ON
Flashing A non-fatal error (such as a switch setting error or routing table error) has occurred.
--- OFF
NS Green
ON
Flashing The network is normal, but the communications connection isn't established.
Red ON
Flashing A non-fatal communications error (a communications error in a Slave) has occurred.
--- OFF
The PLC Module is operating normally in MONITOR or RUN mode.
PLC is in PROGRAM mode or has stopped operating due to a fatal error.
A fatal error has occurred (including FALS instruction execution), or a hardware error
(watchdog timer error) has occurred.
The PLC Module will stop operating, and all outputs will turn OFF.
The PLC Module will continue operating.
PLC Module's normal operating status
The user program and parameter area data are being backed up (written) to the
internal flash memory.
The power to the CS1 Board has been turned ON and the user program is being
restored.
Note Do not turn OFF the power to the CS1 Board while this indicator is lit (ON).
Data is not being written to flash memory.
PLC Module is not communicating via the peripheral port.
Power is being supplied to the Memory Card.
Easy backup operation (read, write, or verify) normal
Flashes three times: Easy backup operation (read) warning
Flashes five times: Easy backup operation (read) malfunction
Flashes continuously: Easy backup operation (write or verify) malfunction
Power is not being supplied to the Memory Card.
Memory Card is not being accessed.
The Unit is operating normally.
A fatal error (Unit hardware error) has occurred.
• There is a Unit hardware error.
• Power is not being supplied to the DeviceNet Master.
• The Unit is resetting.
• The Unit is waiting to start initialization.
Normal network status (Communications connection established.)
A fatal communications error has occurred. (The Unit detected an error indicating that
network communications are disabled.)
• Node address duplication
• Bus OFF error
A Network error has occurred. For example, the master is the only node in the network.
Refer to the CS/CJ Series DeviceNet Unit Operation Manual (W380) for more
details on the MS and NS Indicators.
Meaning
Meaning
Section 2-2
35