Rockwell Automation 160 DEVICENET (DN1) MODULE FRN 1-2.XX - Manual (Page 55)

Publication 0160-5.5 - September 1997
6-20 Using 160-DN1 with DeviceNet Scanner
Programming the SLC to Run
Explicit Messaging (Continued)
Figure 6.2
Explicit Messaging
0000
This rung moves the Explicit Message Request data from the SLC500 processor to the 1747-SDN.
This rung moves the response data from the 1747-SDN to the SLC500 processor when it is available.
Then a delete transaction from response queue is sent.
Explicit Msg Request
enable bit Generate Explicit
Request Only Once.
Copy Request data from
the SLC to the SDN Scanner
N7:0
OSR
0
B3:0
0
0001
0002
U
END
Mov
Move
Source
Dest
260
260<
#N10:0
0<
COP
Copy File
Source
Dest
Length
#N10:0
#M0:2.224
32
Explicit Msg Request
enable bit
Explicit Msg Request
enable bit
Status Word - Explicit
Msg Available
Copy Response data from
SDN Scanner to SLC
Request Command data
this deletes the request
from the response queue
Copy Request data from
the SLC to the SDN Scanner
N7:0
0
N7:0
0
I:2
15
1747-SDN
COP
Copy File
Source
Dest
Length
#N11:0
#M1:2.224
32
COP
Copy File
Source
Dest
Length
#N10:0
#M0:2.224
32