User manual - ATR171 3
Table of contents
1 Safety standards ....................................................................................................................................5
2 Identification of the model .................................................................................................................5
3 Technical data ........................................................................................................................................5
3.1 Genera l features ..........................................................................................................................5
3.2 Hardware features.......................................................................................................................6
3.3 Software features ........................................................................................................................6
4 Dimension and installation ................................................................................................................7
5 Electrical connections .......................................................................................................................... 7
5.1 Connection diagram ..................................................................................................................8
6 Display and keys functions ............................................................................................................... 14
6.1 Numeric indicators (Display) .................................................................................................. 14
6.2 Meaning of Status Lights (Led)...............................................................................................14
6.3 Keys ................................................................................................................................................15
7 Dual input mode (only for ATR171-23ABC-T) ................................................................................15
7.1 Selection of process value related to the command output and to the alarms ........16
7.2 Remote setpoint ......................................................................................................................... 16
8 Controller functions............................................................................................................................17
8.1 Modification of main and alarm setpoint value ............................................................... 17
8.2 Auto-tuning.................................................................................................................................17
8.3 Manual Tuning ...........................................................................................................................17
8.4 Automatic Tuning ......................................................................................................................17
8.5 Automatic / manual regulation of % control output .......................................................17
8.6 Soft-Start ...................................................................................................................................... 18
8.7 Pre-programmed cycle ............................................................................................................18
8.8 Memory Card (optional) ..........................................................................................................19
8.9 LATCH-ON function ..................................................................................................................19
8.10 Timer function ............................................................................................................................20
8.11 Digital input functions (only for ATR171-11/12/14ABC) ...................................................21
8.12 Heating-Cooling P.I.D. .............................................................................................................21
9 Serial communication (only for ATR171-23ABC-T) ...................................................................... 23
9.1 Modbus RTU ................................................................................................................................23
10 Configuration .......................................................................................................................................26
10.1 Modify configuration parameters ........................................................................................26
10.2 Loading default values.............................................................................................................26
11 Table of configuration parameters ................................................................................................27
12 Alarm Intervention Modes ................................................................................................................42
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