Rockwell Automation 2706 DL40 HARDWARE USER MANUAL - Manual (Page 105)

Chapter 10
Using Remote I/O
10 – 13
Input Image Table or Block Transfer Read – number of message
currently running on the DL40.
Input Image Table or Block Transfer Read Acceptable Values
Any size rack (equals 16-bit) 0 to 9999 in BCD format
0 to 9999 in binary format
Note: 0 = no message running
•
Priority Message Number – only in Message List or Bit Trigger
Run Mode
Note: See Triggering Port Setup for information on selecting BCD or
binary format.
12 or 16 bit number of Priority Message.
0–999 (12 bit); 0–9999 (16 bit) in BCD
0 to 4095 (12 bit); 0–9999 (16 bit) in binary (0 = no Priority Message
to run)
Note: When a priority message trigger is received, its queued as in the
Message/Variable/Slave Run Mode. When the message that is currently
displayed finishes running, all Priority Messages in the queue will be run.
•
Priority Section
Up to 31 words long. Length selected in Programming Software.
Note: If the Bit Trigger Priority Size is set to 0 (i.e. Bit Trigger Table
has no Priority Section), the Round Robin Section starts with Message
Number 1.
•
Round Robin Section
Up to 31 words long. Length equals the total length minus the length of
the Priority Section. The first message number in the Round Robin
Section follows consecutively after the last message number in the
Priority Section.
•
Slave Address
Slave address for Message/Variable/Slave Run Mode. Data will be in
same format as
Message Number above. Variable Data cannot be used.
•
Variable Data
Callouts Acceptable Values
[CTRL][V] 0 to 9999 in BCD format (+ / –, depending
on BCD Sign Bit)
–32,768 to +32,768 fir signed (twos
complement) binary
[CTRL][W] 0 to 99 for ASCII – 8-bit (2 per word) first
variable in high byte
0 to 9999 for BCD – 4-bit (4 per word) first
variable in high nibble of high byte