Change of state / cyclic (4) (acknowledged) – Rockwell Automation 440R MSR241 Minotaur Safety Relay User Manual
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MSR241 DeviceNet for Safety System MSR200
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Change of state / Cyclic (4) (Acknowledged) 
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 I/O
connection
1
USINT
3 Transport
Class 
Trigger 
Get_Attribute_Single
Defines behavior of the connection
00h = Cyclic 
03h = Cyclic + ACK 
10h = COS 
13 = COS + ACK 
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
Produces over message group 1, 
Does not consume. 
Produces over message group 1, 
Consumes over message group 2 
0Fh 
 
01h 
BYTE
7 Produced
Connectio
n Size 
Get_Attribute_Single
Number of bytes transmitted across 
the connection 
4 UINT
8 Consumed
Connectio
n Size 
Get_Attribute_Single
Consumes o Byte on this connection
0
UINT
9 Expected
Packet 
Rate 
Get_Attribute_Single 
Set_Attribute_Single 
Timing associated with this 
connection 
0 UINT
C Watchdog
Timeout 
Action 
Get_Attribute_Single 0:
Transmission
timeout
0
USINT
D Produced
Connectio
n Path 
Length 
Get_Attribute_Single
Number of bytes in the Produced 
connection path attribute 
0007h UINT
E Produced
Connectio
n Path 
Get_Attribute_Single
Assembly Object, Instance 100, 
Attribute 3 is producing the data 
20h, 04h, 25h, 64h, 00h, 
30h, 03h 
EPATH
F Consumed
Connectio
n Path 
Length 
Get_Attribute_Single
Number of bytes in the Consumed 
connection path instance 
0007h (no ACK) 
0005h (ACK) 
UINT
10 Consumed
Connectio
n Path 
Get_Attribute_Single
Acknowledge Handler Object, 
Instance 1 
20h, 2Bh, 25h, 01h, 00h 
 
EPATH
11 Production
Inhibit 
Time 
Get_Attribute_Single
Minimum time between new data 
production 
0 UINT