Rockwell Automation 1771-PD PID MODULE (+DU) - Manual (Page 234)

Summary Word and Bit Tables
Appendix D
DĆ13
Table D.I
Loop Status Word W61(W68)
Bit. No. Title Status
B17 Sign of loop error 0=ERROR in W62(W69) is positive.
1=negative sign
B16 Sign of scaled PV 0=PV in W65(W72) is positive.
1=negative sign
B15 ERROR 0=normal for ERROR in W62(W69)
1=undershoots EMN in W21(W41)
B14 ERROR>EMP 0=normal for ERROR in W62(W69)
1=exceeds EMP in W22(W42)
B13 Sign of FFV 0=FFV in W67(W74) is positive.
1=negative sign
B12 Load/enter complete 0=reset by dynamic block transfer
1=LE sequence completed
B11 ERROR within dead band 0=ERROR is W62(W69) exceeds DB
1=ERROR is within DB W23(W43)
B10 VI\VIMAX 0=normal for ERROR in W62(W69)
1=VI exceeds VIMAX in W26(W46)
B07 Loss of analog input 0=input present in W64(W71)
1=input lost
B06 Loss of tieback input 0=input present in W66(W73)
1=input lost
B05 Manual mode 0=PID control
1=manual mode
B04 Power-up complete 0=reset at start of LE power-up
1=power-up LE sequence completed
B03 VP\4095 0=normal for VP
1=VP exceeds 4095.
B02 VD VDMAX O=normal for VD
1=VD exceeds VDMAX in W27(W47).
B01 V \ VMIN 0=normal for V
1=V undershoots VMIN in W28(W48).
B00 V \ VMAX 0=normal for V
1=V exceeds VMAX in W29(W49).