Rockwell Automation 1771-PD PID MODULE (+DU) - Manual (Page 219)

Application Example 2, Periodic Block
Transfer
Appendix C
CĆ35
00023
B0058
13
LBL
-MOV
A :
R :
0000000000000001
WB000:0000
WB003:0004
MOVE FROM A TO R
0000000000000001
RUNG NUMBER RM22
THIS RUNG MOVES THE STARTING DATA TABLE ADDRESS OF THE NEXT BLOCK OF PARAMETERS REQUESTED
AT POWER-UP, THE STARTING DATA TABLE ADDRESS OF THE DYNAMIC BLOCK STORED IN B000:0000
BY THE 1771-PD MODULE INTO THE 4TH WORD OF THE BLOCK TRANSFER CONTROL FILE. THIS ALLOWS
THE BLOCK TRANSFER WRITE INSTRUCTION TO SEND THE CORRECT FILE TO THE MODULE.
RUNG NUMBER RM23
(REGISTER 'A') IS MOVED INTO THE 4TH WORD OF THE BLOCK TRANSFER CONTROL FILE. CONDITIONED
BY THE 'POWER-UP' BIT (B0058/13), THIS RUNG IS EXECUTED ONLY WHILE THE MODULE IS IN THE
POWER-UP MODE AND IS OVERRIDDEN BY THE RM22 THEREAFTER.
00022
LBL
-MOV
A :
R :
0000000000000001
WB000:0059
WB003:0004
MOVE FROM A TO R
0000000000000001