p
Model 880 DEPOSITION CONTROLLER
y
SECTION 6.XX
e page 244 of 276 ^
Description Request the same information again as the last response was unintelligible (checksum
error, for instance). A duplicate of the above response, to insure reception. The sequence information
insures that the assembly of multi-packet rungs is valid.
Command M+
Response A.S8
Description Request additional information on the rung specified in the "M 1" command, since the
previous packet had a sequence # associated with it. The '.' where the sequence # goes indicates this is final
packet of the rung description. By pasting the "S8" onto the "I18 P109 +" from the first packet, the total
rung contents of "I18 P109 + S8" is uploaded. Longer rungs may require more packets. Each packet is
numbered, starting at 0, then 1, 2 etc., until the final '.' packet.
Command M999
Response A.END 12
Description Request rung # 999 data (rungs will not go that high since data storage allows for a
maximum of 400 rungs). The end information indicates that the rung requested is beyond the last rung
which has program information in it. The number 12 after the end word indicates that rung # 12 is the end
rung, and rung # 11 is the last rung of the program containing boolean expressions.
Command N23
Response A
Description Signal the desire to change or alter rung # 23. If no rung #23 exists (as is the case with
the program shipped with the unit, which stops at rung 11), then the end rung (#12 in this case) will be
changed, extending the program. Command understood and performed, future 'O' commands will reference
rung 23.
Command O.IO 0141
Response A
Description Send a terminal packet (because of the '.') defining the selected rung as "I0 O141". This
sets the rung to input-from-0 output-to-softnode-141. Command understood and performed, rung modified.
New 'O' commands will require a new 'N' command prefix in order to specify which rung to modify or
change next.
Command N9
Response A
Description Request Change To Rung 9. Command Understood And Performed.
Command O0I45 I46 I47
Response A
Description Enter 0th packet of rung symbolic. Command understood and performed.
Command O1I48+++
Response A
Description Enter 1st packet of rung symbolic. Command understood and performed.
Command O.O141
Response A
Description Enter final packet of rung symbolic. Command understood and performed, rung in place
as "I45 I46 I47 I48 + + + O141" .
Table 6.20: Group 9 Examples.
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