Explicit Messaging; Explicit Message Request (Get Attribute Multiple) - Rockwell Automation SMC Dialog Plus User Manual

SMC Dialog Plus Controller Status Addresses
Bit Description
Enabled
Running
Starting
Stopping
Fault
At Speed
②
Refer To Table 8.B

Explicit Messaging:

The 1747-SDN scanner module uses the M0 and M1 file areas for
data transfer. Words 224 through 256 must be used to execute the
Explicit Message Request and Response functions. The minimum
data size for an Explicit Message Request is 6 words and the
maximum is 32 words. Following is the data format to follow for a
scattered parameter value read (Get Attribute Multiple) as used in this
example:

Explicit Message Request (Get Attribute Multiple)

15
TXID
PORT
SERVICE
CLASS
INSTANCE
ATTRIBUTE
PARAMETER
DATA PLACE HOLDER
Serial Communications
COMMAND
SIZE
MAC ID
"
8-29
②
Address
I:1.7/00
I:1.7/01
I:1.7/04
I:1.7/05
I:1.7/07
I:1.7/08
0
word 0
word 31