Cable Length and Baud Rates
The Maximum cable length in a segment depends on the transmission speed. DeviceNet communicates at speeds
from 125K bps to 500K bps over distances from 100 to 500 meters.
Baud rate (bps)
125K
250K
500K
Length (m)
500
250 100
5
TROUBLESHOOTING
NS LED
MS LED Status
Indication
Corrective Actions
OFF
No power/duplicate ID not completed Check if DVPDT01-S module is powered on.
Make sure one or more nodes are communicating
on the network.
Make sure at least one other node on the network
is operational at the same time and baud rate as
the DVPDT01-S module.
Green blinking
Online/not connected
No action needed.
Green LED
Online/connected. One or more
connections established.
No action needed.
Red blinking
Online/time-out. IO connection timed
out.
Red LED
Network failure. Failed duplicate ID or
Bus-off.
Make sure all nodes have unique address.
Check network for correct media installation and
baud rate.
MS LED
MS LED Status
Indication
Corrective Actions
OFF No
power/off-line
Check if DVPDT01-S module is powered on.
Green blinking
Waiting for I/O data.
DVPDT01-S module has passed all operational
tests and is waiting to exchange I/O data.
Green LED
I/O operational.
No action needed.
Red blinking
Configuration problem.
Reset or Re-power DVPDT01-S module.
Red LED
Hardware Failure. Failed
Return to manufacturer or distributor for repair.
NS and MS LED
NS LED
MS LED
Indication Corrective
action
LED is off
OFF
No power.
Check if DVPDT01-S module is powered on.
LED is off
Steady Green
Duplicate ID check not completed.
Make sure at least one node on the network is
operational at the same time and baud rate is
as the same as DVPDT01-S.
Steady Red Flashing Red
No 24VDC power from DeviceNet
network.
Check the network cable and connections to
DVPDT01-S.
Check the 24VDC network power.
Steady Red Steady Red
Hardware failure and no network
power.
Return to manufacturer or distributor for
problem verification.
Steady Red Steady Green
MAC ID checks failure or Bus-off.
Change the MAC ID setting and re-power on
DVPDT01-S.
Steady
Green
OFF
DVPDT01-S entry firmware update
mode.
Make sure MAC ID setting is 0~63 and
re-power on DVPDT01-S.
6
APPENDIX-DeviceNet
Objects
Object Classes
Communication interface supports the following object classes:
Class Object
0x01 Identity
0x02 Message
router
0x03 DeviceNet
0x05 Connection
Class 0x01 Identity
Class attributes
Attribute ID
Access rule
Name
Data type
1 Get
Revision
UINT
2 Get
MaxInstance
UINT
3 Get
NumberofInstances
UINT
6 Get
MaxIdClass
UINT
7 Get
MaxIdInstance UINT
Instance 1 :PLC Instance
Attribute ID
Access rule
Name
Data type
1 Get
VendorId
UINT
2 Get
DeviceType
UINT
3 Get
ProductCode
UINT
4 Get
Revision
MajRev
MinRev
USINT
USINT
5 Get
Status
WORD
6 Get
Sn
UDINT
7 Get
ProdName
StrLen
ASCIIStr
USINT
STRING
Common Services
Implemented for
Service
Code
Class
Instance
Service Name
0x05 No Yes Reset
0x0e Yes Yes Get_Attribute_Single
0x10 No No Find_Next_Object_Instance
Class 0x02 Message Router
Class attributes
Attribute ID
Access rule
Name
Data type
1 Get
Revision
UINT
6 Get
MaxIdClass
UINT
7 Get
MaxIdInstance UINT
Instance 1 :
Attribute ID
Access rule
Name
Data type
2 Get
NumAvailable
UINT
3 Get
NumActive
UINT
Common Services
Implemented for
Service
Code
Class
Instance
Service Name
0x0e Yes Yes Get_Attribute_Single
Class 0x03 DeviceNet
Class attributes
Attribute ID
Access rule
Name
Data type
1 Get
Revision
UINT
Instance 1 :Drive Instance
Attribute ID
Access rule
Name
Data type
1 Get
MACID
USINT
2 Get
BaudRate
USINT
3 Get/Set BusofInterrupt BOOL
4 Get/Set BusofCounter
USINT
Attribute ID
Access rule
Name
Data type
5 Get
AllocationInfo
AllocationChioce
MasterNodeAddress
BYTE
USINT
6 Get
MACIDSwitchChanged
BOOL
7 Get
BaudRateSwitchChanged
BOOL
8 Get
MACIDSwitchValue
USINT
9 Get
BaudRateSwitchValue
USINT
Common Services
Implemented for
Service
Code
Class
Instance
Service Name
0x0E Yes Yes
Get_Attribute_Single
0x10 No
Yes Set_Attribute_Single
0x4B No
Yes
Allocate_Master/Slave_Connection_Set
0x4C No
Yes
Release_Master/Slave_Connection_Set
Class 0x05 Connection
Class attributes
Attribute ID
Access rule
Name
Data type
1 Get
Revision
UINT
Instance 1 :Master/Slave Explicit Message Connection
Attribute ID
Access rule
Name
Data type
1 Get
State
USINT
2 Get
InstanceType
USINT
3 Get
TransportClassTrigger
USINT
4 Get
ProducedConnectionId
UINT
5 Get
ConsumedConnectionId
UINT
6 Get
InitialCommCharacteristics BYTE
7 Get
ProducedConnectionSize
UINT
8 Get
ConsumedConnectionSize
UINT
9 Get/Set ExpectedPackedRate UINT
12 Get/Set WatchdogTimeoutAction
USINT
13 Get
Produced Connection Path
Length
USINT
14
Get
Produced Connection Path
EPATH
15 Get
Consumed Connection Path
Length
USINT
16 Get
Consumed
Connection
Path
EPATH
Instance 2 :Polled I/O Connection
Attribute ID
Access rule
Name
Data type
1 Get
State
USINT
2 Get
InstanceType
USINT
3 Get
TransportClassTrigger
USINT
4 Get
ProducedConnectionId
UINT
5 Get
ConsumedConnectionId
UINT
6 Get
InitialCommCharacteristics BYTE
7 Get
ProducedConnectionSize
UINT
8 Get
ConsumedConnectionSize
UINT
9 Get/Set ExpectedPackedRate UINT
12 Get/Set WatchdogTimeoutAction
USINT
13 Get
Produced Connection Path
Length
USINT
14
Get
Produced Connection Path
EPATH
15 Get
Consumed Connection Path
Length
USINT
16 Get
Consumed
Connection
Path
EPATH
Common Services
Implemented for
Service Code
Class
Instance
Service Name
0x05 No Yes
Reset
0x0E Yes Yes Get_Attribute_Single
0x10 No Yes
Set_Attribute_Single
