Mitsubishi Electric MELSEC FX Series User Manual page 63

FX -4LC User's Manual
3U
• The output saturation time (Time when the output value has stopped at output limiter upper limit or output
limiter lower limit) is short.
• Hardware error is detected.
- Sum check error caused by 24V DC power supply error or adjustment data error
- Cold contact temperature compensation data error
- A/D converter error
Associated buffer memory
BFM No.
CH1 CH2 CH3 CH4
#0
#1 #2 #3
#5 #6 #7
#29
#48 #88 #128 #168 Set value (SV)
#54 #94 #134 #174 AUTO/MANUAL mode changeover
#56 #96 #136 #176 AT (auto tuning) execution command
#57 #97 #137 #177 Operation mode
#58 #98 #138 #178 Proportional band (P)/Heating proportional band (P)
#60 #100 #140 #180 Integral time (I)
#61 #101 #141 #181 Derivative time (D)
#64 #104 #144 #184 Output limiter upper limit/Heating upper output limiter
#65 #105 #145 #185 Output limiter lower limit
#67 #107 #147 #187 Output change ratio limiter
#68 #108 #148 #188 Sensor correction value setting
#72 #112 #152 #192 Primary delay digital filter setting
#87 #127 #167 #207 ST (startup tuning) execution command
#208 #214 #220 #226 Input type
#244 #245
Flag
(b2 24V DC power supply error)
(b4 to b7 AT/ST abnormal end flag)
(b8 Adjustment data error)
(b9 Cold contact temperature compensation data error)
(b10 A/D converted value error)
Event
(b0 Input error (upper limit))
#4 (b1 Input error (lower limit))
(b11 ST (startup tuning) being performed)
(b14 AT (auto tuning) being performed)
#8 Measured value (PV)
Control start/stop changeover
Cascade ON/OFF
Description
6 Introduction of Functions
6.9 Startup Tuning Function
Reference
Subsection 8.2.1
Subsection 8.2.2
Subsection 8.2.3
Subsection 8.2.9
Subsection 8.2.15
Subsection 8.2.18
Subsection 8.2.20
Subsection 8.2.21
Subsection 8.2.22
Subsection 8.2.24
Subsection 8.2.25
Subsection 8.2.28
Subsection 8.2.29
Subsection 8.2.31
Subsection 8.2.32
Subsection 8.2.36
Subsection 8.2.51
Subsection 8.2.52
Subsection 8.2.64
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