Rockwell Automation 1771-PD PID MODULE (+DU) User Manual
Page 181
Application Example 1, Continuous Block
Transfer
Appendix B
BĆ22
TE
TON
TIMER ON
0.1 SECOND
TP =
TA =
T0001
50
01
TD
00003
WB003:0000
T0001
17
T0001
15
LBL
15
READ BLOCK TRANSFER "WATCHDOG" TIMER, SHOULD A SUCCESSFUL READ BLOCK TRANSFER NOT OCCUR WITHIN THE USER
PRESET TIME, THE TIMER WILL "TIME-OUT" TO INDICATE A READ BLOCK TRANSFER FAILURE, (*NOTE*-RUNG IS CONDITIONED
BY AN "XIO" OF THE READ BLOCK TRANSFER "DONE" BIT).
RUNG NUMBER RM3
RUNG NUMBER RM4
OUTPUT ANNUNICATOR 0013/00 WILL ENERGIZE TO INDICATE A READ BLOCK TRANSFER FAILURE
00004
LBL
T0001
15
00013
00
RUNG NUMBER RM5
THIS RUNG INITIATES A LOAD/ENTER SEQUENCE AUTOMATICALLY AT POWER-UP AND ALSO AT THE USER'S DISCRETION.
RUNG IS CONDITIONED BY THE "POWER-UP" BIT AND BY THE USER CONTROLLED ONE-SHOT BIT, ANYTIME THE "LOAD" BIT
IS SET, A LOAD/ENTER SEQUENCE IS EXECUTED.
00005
LBL
B0058
13
B0001
06
T0000
16
L