Rockwell Automation 440R MSR241 Minotaur Safety Relay User Manual
Page 8
 
MSR241 DeviceNet for Safety System MSR200
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DeviceNet Connection Object, Class 05h 
 
Class Attributes (0) 
ID Name
Service
Description
Value
Type
1 Revision Get_Attribute_Single Object
revision
1
1
UINT
 
Explicit Connection Instance (1, 2, 4 & 10…14) 
Instance 1 = Explicit messaging connection (Predefined in DeviceNet object) 
Instance 2 = Polled connection / COS / Cyclic consuming connection) 
Instance 4 = COS / Cyclic producing connection 
Instance 10 - 14 = Explicit connection (UCMM allocated)
ID Name
Service
Description
Value
Type
1 State
Get_Attribute_Single Object
State
0: Non existent 
1: Configuring 
2: Waiting for Connection ID 
3: Established 
4: Timed out 
USINT
2 Instance
Type
Get_Attribute_Single Explicit
messaging
connection
0
USINT
3 Transport
Class 
Trigger 
Get_Attribute_Single
Server / Transport Class 3
83h
BYTE
4 Produced
Cnxn ID
Get_Attribute_Single
CAN ID for transmission
UINT
5 Consumed
Cnxn ID
Get_Attribute_Single
CAN ID for reception
UINT
6 Initial
Comm 
Characteri
stics 
Get_Attribute_Single
The message group over which the 
communication occurs 
BYTE
7 Produced
Connectio
n Size 
Get_Attribute_Single
Maximum number of bytes 
transmitted across the connection 
0100h UINT
8 Consumed
Connectio
n Size 
Get_Attribute_Single
Maximum number of bytes received 
across the connection 
0100h UINT
9 Expected
Packet 
Rate 
Get_Attribute_Single 
Set_Attribute_Single 
Timing associated with this 
connection (2500ms) 
09C4h UINT
C Watchdog
Timeout 
Action 
Get_Attribute_Single
Defines how to handle inactivity / 
watchdog timeouts 
1: Auto delete 
3: Deferred delete 
1 USINT
D Produced
Connectio
n Path 
Length 
Get_Attribute_Single
Number of bytes in the 
Produced_connection_path attribute 
0 UINT
E Produced
Connectio
n Path 
Get_Attribute_Single
No connection path
EPATH
F Consumed
Connectio
n Path 
Length 
Get_Attribute_Single
Number of bytes in the Consumed 
connection path instance 
0 UINT
10 Consumed
Connectio
n Path 
Get_Attribute_Single
No connection path
EPATH