Block Status Types
134 RS232 Communications Reference Manual 8/99
6. Block Status Types
6.1 Overview
Introduction
Table 6-1 lists the Function Block Status Values and definitions for communication reference when Index 0
is requested in a Dynamic (I/O) Table of a function block.
Common Function Block Status Types
These status types are common to all block types:
•
UNEXECUTED
•
OK
•
BAD TYPE
•
BAD ICNT (Input Count)
•
BAD SSR
6.2 Block Status Values and Definitions
Table 6-1 lists the Status Values that could be returned when you request Index Number 0 in a dynamic
table for a block in your request message. The Status Type and Definition for each is also listed.
Table 6-1 Block Status Values
Floating Point
Value
Status Type Definition
0.0 UNEXECUTED The block was never executed.
100.0 OK Normal successful execution.
200.0 FORCED Output is being forced.
300.0 DIV BY 0 Attempted divide by 0.
400.0 BAD ICNT The input count passed to the block is greater than
the number of inputs for the block.
500.0 BAD TYPE The block has an illegal control block type assigned
to it.
600.0 BAD SSR Invalid signal source record.
700.0 BAD PV PV is out of range.
800.0 BAD PGM Setpoint program is invalid or unused.
900.0 BAD SGM Setpoint program segment number is invalid or out
of range.
1000.0 BAD VPID Illegal variable parameter index.
1100.0 BAD CVID Illegal configuration value index.