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Micromod MOD: 30ML and Modcell Maintenance for 2001N, 2002N, and 1800R User Manual

Page 105

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MOD30ML and Modcell Maintenance Manual
EVENT CODES AND TRANSITION MESSAGES

Table 7-2. Event Codes, Description and Action (Cont’d)

Block

Type

Codes

Full Message Text

Description/Action

SEQ

0

BLOCK STATE SET TO RUN

Information only.

SEQ

1

BLOCK STATE SET TO HOLD

Information only.

SEQ

2

BLOCK STATE SET TO OFF

Information only.

SEQ

3

BLOCK STATE SET TO DEBUG

Information only.

SEQ

4

SEQ BLOCK BAD INPUT DETECTED

Bad quality has been detected in an external
step input or transition expression input. The
block takes action in accordance with the
configuration of Attribute No. 41, Bad Input
Action (IACTION).

SEQ

5

SEQ BLOCK CALC ERROR

A calculation error (calculation overflow, divide
by zero, etc.) has been detected in a
calculation to evaluate a transition expression.
The block completes the calculation using
some reasonable value (+ or - maximum value
for overflows and divide by zero), and takes
action in accordance with the configuration of
Attribute No. 42, Calculation Error Action
(CACTION).

SEQ

6

SEQ BLOCK STEP OUT OF RANGE

A calculated step is out of range or a syntax
error has been detected in a transition
expression. The block takes action in
accordance with the configuration of Attribute
No. 43, Bad Step Error Action (SACTION).

SEQ

7

SEQ BLOCK FAILURE

As a result of a bad input error, calculation error
or step out of range error (Event Code 4, 5 or
6), the sequence has been driven to the Fail
Step

SEQ

8

BLOCK SET TO MANUAL

Information only.

SEQ

9

BLOCK MODE SET TO AUTO

Information only.

SEQ

10

BLOCK MODE SET TO SEMI-AUTO

Information only.

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