Mitsubishi Electric MELSEC iQ-R Series - Page 1218

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11 PROCESS CONTROL INSTRUCTIONS
11.2 I/O Control Instructions
■Mode determination (1)
The following processing is performed depending on the control mode (MODE).
■Output conversion processing (2)
The output value (BW) is calculated from the following expression.
■Loop stop processing (3)
The following processing is performed according to the SPA status of the alarm detection (ALM).
Operation error
Control mode (MODE) Processing details
MAN, CMB, CMV, LCM • The manipulated value (MV) is used for the output value (BW).
• "Output conversion processing (2)" is performed.
AUT, CAB, CAS, CCB, CSV, LCA, LCC The last output value (BW) is held.
SPA status Processing details
0 Performs "Mode determination (1)".
1 Performs the following operations and terminates the S.MOUT instruction.
• The last output value (BW) is held.
• The control mode (MODE) is set to MAN.
Error code
(SD0)
Description
3400H An invalid operation (such as division by zero) is performed.
3402H The value specified by (s2) or (d2) is a subnormal number or NaN (not a number).
3403H An overflow has occurred.
BW= ×MV+NMIN
100
NMAX-NMIN