Rockwell Automation 1771-PD PID MODULE (+DU) - Manual (Page 184)

Application Example 1, Continuous Block
Transfer
Appendix B
BĆ25
00013
LBL
MOV
MOV FROM A TO R
A :
00000000000000001
R :
00000000000000001
WB000:0000
WB003:0004
RUNG NUMBER RM13
AT POWER-UP, THE DATA TABLE ADDRESS OF THE STARTING LOCATION OF THE DYNAMIC BLOCK (REGISTER A" IN MOV"
INSTRUCTION) IS MOVED INTO THE 4TH WORD OF THE BLOCK TRANSFER CONTROL FILE. THIS RUNG IS EXECUTED
ONLY WHILE THE MODULE IS IN THE POWER-UP MODE AND IS OVERRIDDEN BY RM12 THEREAFTER.
B0058
RUNG NUMBER RM14
THIE RUNG WRITES EITHER THE DYNAMIC OR THE LOOP BLOCKS TO THE -PD MODULE AS DICTATED BY RUNGS RM12
AND RM13, (*NOTE*-BLOCK TRANSFER RUNGS MUST BE CONDITIONED BY AN XIO" OF THEIR RESPECTIVE DONE" BITS)
EN
BTW
BLOCK XFER WRITE
RACK :
GROUP :
MODULE :
DATA:
002
1
0=LOW
FB000:0001
DN
LENGTH =
CNTL: 0
FB003:0000 ER
00014
LBL
WB003:0000
05
CNTL
02
CNTL
05
CNTL
03
RUNG NUMBER RM15
TE
TON
TIMER ON
0.1 SECOND
TP =
TA =
T0002
50
2
TD
00015
WB003:0000 T0002
17
T0002
15
LBL
05
WRITE BLOCK TRANSFER WATCHDOG" TIMER. SHOULD A SUCCESSFUL WRITE BLOCK TRANSFER NOT OCCUR WITHIN
THE USER SPECIFIED PRESET TIME, THE TIMER WILL TIME-OUT" INDICATING A WRITE BLOCK TRANSFER FAILURE, (*NOTE*-
RUNG IS CONDITIONED BY AN XIO" OF THE WRITE BLOCK TRANSFER DONE" BIT)
RUNG NUMBER RM16
OUTPUT ANNUNCIATOR 013/04 WILL ENERGIZE TO INDICATE A WRITE BLOCK TRANSFER FAILURE
00016
LBL
T0002
15
O0013
04
RUNG NUMBER RM17
EOP