Table Of Contents - Mitsubishi Electric MELSEC FX2N-2LC User Manual

FX2N-2LC Temperature Control Block
1. Introduction ........................................................................................... 1-1
1.1 Outline of product ................................................................................................ 1-2
2. Product Configuration ........................................................................... 2-1
2.1 Outside dimension............................................................................................... 2-1
2.2 Name of each part ............................................................................................... 2-1
2.3 Status indication .................................................................................................. 2-2
2.4 Installation method .............................................................................................. 2-3
2.5 Connection to PC Main Unit ................................................................................ 2-4
3. Specifications ........................................................................................ 3-1
3.1 Environmental specifications ............................................................................... 3-1
3.2 Power supply specifications ................................................................................ 3-1
3.3 Performance specifications ................................................................................. 3-2
3.4 Input specifications .............................................................................................. 3-3
3.5 Input range .......................................................................................................... 3-4
3.6 Output specifications ........................................................................................... 3-5
4. Wiring .................................................................................................... 4-1
4.1 Wiring .................................................................................................................. 4-2
5. Introduction of Functions....................................................................... 5-1
5.1 PID control........................................................................................................... 5-1
5.1.1 Easy PID control with two degrees of freedom.......................................................... 5-1
5.1.2 Overshoot prevention function................................................................................... 5-2
5.2 Two-position control ............................................................................................ 5-3
5.3 Auto tuning function............................................................................................. 5-4
5.3.1 AT (auto tuning)......................................................................................................... 5-4
5.3.2 AT bias ...................................................................................................................... 5-5
5.4 Auto / manual ...................................................................................................... 5-6
5.4.1 Auto mode and manual mode ................................................................................... 5-6
5.4.2 Balance-less, bump-less function.............................................................................. 5-7
5.5 Heater disconnection detection function.............................................................. 5-8
5.6 Loop breaking alarm function (LBA) .................................................................... 5-9
6. Alarm..................................................................................................... 6-1
7. Buffer Memory (BFM) ........................................................................... 7-1
7.1 Buffer memory list................................................................................................ 7-1
7.2 Details of buffer memories................................................................................... 7-4
7.2.1 BFM #0: Flag ............................................................................................................. 7-4
7.2.2 BFM #1 (CH1) and BFM #2 (CH2): Event ................................................................. 7-5
7.2.3 BFM #3 (CH1) and BFM #4 (CH2): Measured value (PV) ........................................ 7-7
7.2.4 BFM #5 (CH1) and BFM #6 (CH2): Control output value (MV) ................................. 7-7
7.2.5 BFM #7 (CH1) and BFM #8 (CH2): Heater current measured value......................... 7-7
7.2.6 BFM #9: Default setting command ............................................................................ 7-7
7.2.7 BFM #10: Error reset command ................................................................................ 7-7
7.2.8 BFM #11: Control start/stop changeover................................................................... 7-7
7.2.9 BFM #12 (CH1) and BFM #21 (CH2) : Set value (SV) .............................................. 7-8
Contents
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