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25
Components and Unit Settings
Section 2-1
■
DeviceNet (MCW151-DRT-E only)
Switch Settings
The MCW151 Units are equipped with the following DIP-switches.
■
DeviceNet Switch Settings (MCW151-DRT-E only)
The external switch settings will set the Slaves’ node address setting and
baud rate setting.
Node address
The node address of the slave is set with pins 1 through 6 of the DIP switch.
Any node address within the setting range can be used as long as it is not
already set on another node.
Indi
ca-
tor
Color
Status
Definition
Meaning
MS
Green ON
Device
Operational
Normal operating status.
Flashing Device in
Standby
Reading switch settings.
Red
ON
Unrecover-
able Fault
Unit hardware error: Watchdog timer error.
Flashing Minor Fault
Switch settings incorrect.
---
OFF
No Unit
Power
Unit power is not supplied, waiting for initial
processing to start, or the Unit is being reset.
NS
Green ON
Link OK.
Online, Con-
nected.
Network is operating normally (communica-
tions established).
Flashing Online, Not
connected
Network is operating normally, but communi-
cations have not yet been established.
Red
ON
Critical Link
Failure
A fatal communications error has occurred.
Network communications are not possible.
Flashing Connection
Timeout
Communications timeout.
---
OFF
No Fieldbus
Power / Not
Online
Checking for node address duplication on the
Master, switch settings are incorrect, or field-
bus power is not supplied.
1
2
3
4
56
7
89
1
0
ON
1 NA0
NA1
2
NA2
3
NA3
4
NA4
5
NA5
6
MD0
7
NC
8
DR0
9
DR1
10
ON