Rockwell Automation 2706-LV2P_LV2R_LV4P_LV4R DL40 PLUS USER MANUAL - Manual (Page 115)

Remote I/O Communications 8–23
Publication 2706-6.1
Triggering a Message Using a Block Transfer Write
Message/Variable/Slave Run Mode - Block Transfer Write Length
can be 3 to 13 words. If Length is set to 0, a default length of 13 will
be used. The DL40 Plus always interprets the last word as a slave
address. If more than 13 words are sent, the DL40 Plus interprets the
thirteenth word as a slave address and ignores the rest.
Note: Word 13 = 0 tells the DL40 Plus to use the slave address
selected as a message attribute.
WORD 1
17 16 15 14
Message Number
WORD 0
BCD Sign Bit - 2nd (Ctrl V) Variable
Block Transfer Write File
(Any size rack)
WORD 2
WORD 5
Variable Data
Slave Address (Message/Variable/Slave Run Mode only)
BCD Sign Bit - 3rd (Ctrl V) Variable
BCD Sign Bit - 4th (Ctrl V) Variable
13
WORD 3 Variable Data
WORD 4 Variable Data
WORD 12
WORD 6
Variable Data
Variable Data
12 11
WORD 7 Variable Data
Variable Data WORD 8
Variable Data WORD 9
Variable Data WORD 10
Variable Data WORD 11
10 7 6 5
BCD Sign Bit - 5th (Ctrl V) Variable
BCD Sign Bit - 6th (Ctrl V) Variable
BCD Sign Bit - 7th (Ctrl V) Variable
BCD Sign Bit - 8th (Ctrl V) Variable
BCD Sign Bit - 9th (Ctrl V) Variable
BCD Sign Bit - 10th (Ctrl V) Variable
BCD Sign Bit - 1st (Ctrl V) Variable