Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 163

Process control function blocks
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■Cascade direct
This function block sets the tentative manipulated value as a manipulated value of the primary loop.
Condition
Control mode = CASCADE DIRECT (CAS = TRUE and CASDR = TRUE)
Control mode ≠ CASCADE DIRECT (CASDR = FALSE)
CASDR_MVIN: MV input for cascade direct, T: Tentative manipulated value
■MV tracking
This function block switches a manipulated value with a tracking input.
Condition
MVTRK_EN = TRUE
MVTRK_EN = FALSE
MVTRK_EN: MV tracking execution condition, T: Tentative manipulated value, MV_TRKIN: Tracking input
■MV hold
This function block holds a manipulated value at that time.
Condition
MVHLD_EN = TRUE
MVHLD_EN = FALSE
MVHLD_EN: MV hold execution condition, T: Tentative manipulated value, MVn-1: Last manipulated value
■Preset MV
This function block switches a tentative manipulated value with the preset manipulated value.
Condition
PREMV_EN = TRUE
PREMV_EN = FALSE
PREMV_EN: Preset MV execution condition, T: Tentative manipulated value, PREMV_V: Preset manipulated value
9.4 Output Processing-3 with Mode Switching (With Input Addition and Compensation) (M+P_OUT3_)
Processing result
CASDR_MVIN
T
Processing result
MV_TRKIN
T
Processing result
MVn-1
T
Processing result
PREMV_V
T
9
9 I/O CONTROL
161

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