Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 443

Process control function blocks

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Table of Contents

■Processing operation

: Performed, : Not performed

Processing operation

Deviation check

Processing operation

Output exclusion

*1 Tracking is performed when the tracking flag (TRK) is 1.

*2 In the MAN mode, SV variation rate limiter processing is not performed.

*3 An alarm (ALM) whose corresponding bit is TRUE (detected) is reset, and the alarm will not be detected.

*4 An alarm whose corresponding bit is TRUE (Valid) in the disable alarm detection (INH) is not detected.

Operation error

Error code (SD0)

Input data (DVL, DVLS, SVC, PV, SV) or tag data is a subnormal number or NaN (not a number).

An overflow has occurred.

An error may occur in a function block that is used in a tag FB. For details on the error, refer to corresponding function blocks.

Proportional output

SV variation rate &

high/low limiter

Output at high or low

limit of valve

Time-out detection/

time-out reset

12.39 Position Proportional Output (M+M_PVAL_T_)

One-shot output for

command pulse