====== 12 temperature sensor inputs ======

**IEX-2 temperature measurement module with 12 Pt1000 inputs**

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{{ hiq_energy:goflex_hems:hardware:air12.png?nolink |}}

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| Model number: ^ AIR-12                      |
| Mounting:     | DIN rail, 3M                |
| Dimensions:   | 53x117x58mm                 |

^ Compatible sensors:                                                                ||
| Pt1000 temperature probe   | [[en:hiq_hw:s-pt1000|S-PT1000]]     |

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===== Applications =====

  * temperature measurements

===== Technical specification =====

|< 60% 40% >|
| Number of i/o points          |                                                       12 analog inputs |
| Input type                    |                           software selectable (common for all inputs): |
| :::                           |                     - Pt100/1000 (DIN751), measuring range -100..300°C |
| :::                           |                    - Ni100/1000 (DIN43760), measuring range -50..160°C |
| :::                           |                - Ni100/1000 (Landis & Gyr), measuring range -50..160°C |
| :::                           |                                            - potentiometer 0..2000 ohm |
| Connection type               |                                                       2-wire or 3-wire |
| Wire resistance               |                                              20 ohm max. (3-wire mode) |
| A/D converter                 |                                   V/f conversion with auto calibration |
| Accuracy                      |                                                0.1% of measuring range |
| Resolution                    |                               14 bits (input modes with 0.1% accuracy) |
| :::                           |                            12 bits (input modes with 0.5%/1% accuracy) |
| Sensor current                |                                                    0.2mA (each sensor) |
| Temperature drift             |                                         +/-0.01%/°C of measuring range |
| Scan time                     |                                    30ms..1120ms, depends on input mode |
| Integration time              |                                    20ms or 60ms, depends on input mode |
| Calibration reference         |                                                 150.00 ohm, 1500.0 ohm |
| Accuracy, scan time           |                             software selectable, depends on input mode |
| Power supply                  |                                                    24V (19..28V), 50mA |
| Galvanic isolation            |   1kV between digital and analog circuit no isolation between channels |
| IEX-2 baud rate               |                             20, 50, 100, 250, 500kbps, auto selectable |
| Operating conditions          |                                      0..50°C, 0..85% rh non-condensing |
| Mounting                      |                                                        DIN rail (35mm) |
| Dimension                     |                                                            53x117x58mm |
| Weight gross                  |                                                                   160g |
| Enclosure protection          |                                                                   IP20 |
| Level of ambient pollution    |                                                                      2 |
| Standards                     |                                   EN 61131-1, EN 61131-2, EN 50090-2-2 |

===== Wiring =====

{{hiq_energy:goflex_hems:hardware:air12_wiring.png?nolink |}}