Programming chapter 3 – Rockwell Automation 1771-PD PID MODULE (+DU) User Manual

Page 79

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background image

Programming

Chapter 3

3Ć36

Figure 3.9

Alarm Word W58

1

0

W58

1

0

0

0

17

16

15

14

13

12

11

10

07

06

05

04

03

02

01

00

DYNAMIC

BLOCK

ERROR

LOOP

BLOCK

ERROR

POWER-UP

READY

LOSS OF

+ 15VDC

POWER

SOFT

FAULT

0

0

0

0

0

0

0

0

W58 B07ĆB00 will be returned as 0

W58 B17

will be returned as 0

W58 B16

will be returned as 0

W58 B15

1=indicates programming error in the dynamic

block

W58 B14

1=indicates programming error in either loop 1 or

loop 2 block

W58 B13

1=in powerĆup mode

W58 B12

1=ready

W58 B11

1=loss of +15V dc power

W58 B10

1=in soft fault mode

11112

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