Status Indicators: Ms And Ns - Omron CS1W-DRM21 Operation Manual

Nomenclature and Functions
2-1-2

Status Indicators: MS and NS

1. Status indicators
The MS (Module Status) indicator indicates the status of the node itself and
the NS (Network Status) indicator indicates the status of the network.
The MS and NS indicators can be green or red and they can be OFF, ON, or
flashing (alternating 0.5-s ON and 0.5-s OFF.) The following table shows the
meaning of these indicator conditions.
Indi- Color Status
cator
MS Green ON
Red ON
Flashing A recoverable, non-fatal error has occurred. (Structure
--- OFF
NS Green ON
Flashing The Unit is online with the network, but neither remote
Red ON
Flashing A non-fatal communications error has occurred. (Com-
--- OFF
2. Two-digit, 7-segment display
MS
NS
3. Dot indicators
Meaning (likely errors)
Normal operating status
Communications are being performed normally.
A non-recoverable, fatal error has occurred.
(Watchdog timer error, memory error, or system error.)
Replace the DeviceNet Unit.
error, switch setting error, PLC initialization error, PLC
interface error, or routing table error.)
Correct the error and reset the Unit.
Power isn't being supplied or the Unit is being reset.
The Unit is online with the network and remote I/O com-
munications have been established with a slave regis-
tered in the scan list or message communications have
been established.
I/O communications nor message communications have
been established. Either the scan list is being read, or
both remote I/O communications and message commu-
nications are disabled.
A fatal communications error has occurred. Network
communications are not possible.
(Node address duplicated or Bus Off error)
munications error, setup error, or verification error)
The Unit is not online with the network.
(There is no network power supply, the Unit is being
reset, a minor failure, or a sending error has occurred.)
Section 2-1
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