ATR 421 - User manual 3
Summary
1 Model identi cation .......................................................................................................................... 7
2 Technical data ....................................................................................................................................7
2.1 Main features ............................................................................................................................7
2.2 Hardware features ................................................................................................................... 8
2.3 Software features .....................................................................................................................8
3 Size and installation ..........................................................................................................................9
4 Electrical wirings ..............................................................................................................................10
4.1 Wiring diagram ......................................................................................................................10
5 Display and keys functions ............................................................................................................14
5.1 Numeric indicators (display) ...............................................................................................15
5.2 Meaning of Status Lights (led) ............................................................................................15
5.3 Keys .........................................................................................................................................15
6 Programming and con guration ................................................................................................16
6.1 Programming (or modifying) cycle data ..........................................................................16
6.1.1 Programming of starting setpoint (if enabled) ...................................................17
6.1.2 Programming of the step .........................................................................................17
6.1.3 Programming of the auxiliary output (if con gured) ........................................18
6.1.4 Fine programmazione ...............................................................................................18
7 Cycle start .........................................................................................................................................18
7.1 Start of a cycle and setting of delayed start ....................................................................18
7.2 Fast advancement during the cycle .................................................................................19
7.3 Simple controller function ...................................................................................................20
7.4 Output manual control.........................................................................................................20
8 Programmer functions ..................................................................................................................21
8.1 Hold function ..........................................................................................................................21
8.2 Automatic tuning ..................................................................................................................21
8.3 Manual tuning ........................................................................................................................22
8.4 Recovery of interrupted cycle .............................................................................................22
8.4.1 Recovery with automatic gradient .........................................................................22
8.4.2 Recovery with recovery gradient ............................................................................23
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