Mitsubishi FX3U-4AD User Manual page 440

FX /FX /FX PLC User's Manual - Analog Control Edition
3G 3U 3UC
PID Instruction (FNC 88)
Set item
Input variation (incremental)
*1
+20
S S
3 3
alarm set value
Input variation (decremental)
*1
S S +21
3 3
alarm set value
Output variation
(incremental) alarm set value
*1
S S +22
3 3
Output upper limit set value
Output variation
(decremental) alarm set value
*1
S S +23
3 3
Output lower limit set value
*1
Alarm output
S S +24
3 3
The setting below is required when the limit cycle method is used (when the operation direction (ACT) b6 is set to ON).
PV value threshold
S S +25
3 3
(hysteresis) width (SH
Output value upper limit
+26
S S
3 3
(ULV)
Output value lower limit
S S +27
3 3
(LLV)
Wait setting from end of tuning
cycle to start of PID control
+28
S S
3 3
(K )
W
*1. +20 to +24 become occupied only if bits 1, 2, or 5 are set to "1" to determine the action (ACT) of
S
3
+1.
S
3
L-8
0 to 32767
0 to 32767
0 to 32767
−32768 to 32767
0 to 32767
−32768 to 32767
0: Input variation (incremental) is not
exceeded.
bit0
1: Input variation (incremental) is
exceeded.
0: Input variation (decremental) is
not exceeded.
bit1
1: Input variation (decremental) is
exceeded.
0: Output variation (incremental) is
not exceeded.
bit2
1: Output variation (incremental) is
exceeded.
0: Output variation (decremental) is
not exceeded.
bit3
1: Output variation (decremental) is
exceeded.
Set it according to measured value
) (PV) fluctuation.
PV
Set maximum value (ULV) of output
value (MV).
Set minimum value (LLV) of output
value (MV).
−50 to 32717%
Setting
It is valid when operation direction
(ACT) (bit 1 of
It is valid when operation direction
(ACT) (bit 1 of
It is valid when operation direction
(ACT) (bit 2 of
or (ACT) (bit 5 of
It is valid when operation direction
(ACT) (bit 2 of
or (ACT) (bit 5 of
It is valid when operation direction
(ACT) (bit 2 of
or (ACT) (bit 5 of
It is valid when operation direction
(ACT) (bit 2 of
or (ACT) (bit 5 of
It is valid when operation direction
(ACT) (bit 1 or bit 2 of
"1".
They are occupied when operation
direction (ACT) (bit 6) is "ON (limit
cycle method)."
3 Parameter
3.1 Parameter List: (S3) to (S3) + 28
Remarks Reference
+1) is "1".
S
3
+1) is "1".
S
3
+1) is "1"
S
3
+1) is "0".
S
3
Subsection
+1) is "0"
S
3
+1) is "1"
S
3
+1) is "1"
S
3
+1) is "0"
S
3
+1) is "0"
S
3
+1) is "1"
S
3
+1) is
S
3
Subsection
Chapter 4
3.2.2
3.2.8