Temperature controller with safety threshold US11-ALFA
 
The controller is a specialized single-channel microprocessor controller for controlling devices, which are required to simultaneously control temperature and protect the trigger with adjustable threshold. In these machines US11-ALFA regulators ensure repeatability of the technological process and to provide additional temperature protection.
Securing independent threshold control relay output or voltage.
Depending on the demand controllers can directly control contactors, or solid state power systems. Cooperate with PT100 sensors, as well as with various types of thermocouples.
US11-ALFA controllers can be used to control devices with electric, gas or oil heating systems. They can be installed in both units new and old, worn out, undergoing refurbishment. A grouping of all the control keys and display control device on the front panel control lets you reduce the cost of new equipment and facilitates the upgrading of old.
The controller has two additional relay outputs controlled from the front panel keys. Can be used to implement additional control functions such as switching off lights in the device, controlling the fans, etc.
Implemented functions:
- maintain the temperature,
- protection threshold
- Number of measuring inputs: 1
- maximum measured temperature range. 999 ° C
- type of temperature sensor: PT100 option: Thermocouple
- contactor control option: triacs, thyristors
- thermostat control type: Simple-PID / histerezowy
- threshold security control type: histerezowy
- parameters can be programmed by the user
- Sound and light alarm signals
- non-volatile memory to memorize the set of parameters
- continuation of the process after power failure
- Typical applications: temperature control device with security threshold
| inputs | resistance thermometer | Pt100 |
| Thermocouples | J, K, N | |
| linear sensors | 0-1V, 0-20mA, 4-20mA | |
| range | Dependent on the type of input | |
| exit | Relay | 5A/250VAC, resistive load |
| voltage | On request: 5VDC, 8VDC, 15VDC | |
| programming | The programming | With two keyboard keys, two modes of operation: programming, normal operation |
| The security parameters of the programming | Automatic locking when working | |
| control | cycle Time PID | 0 - 30 sek. |
| ON - OFF | You can work on / off (selectable programmable) with adjustable hysteresis (0 - 25°C) |
|
| regulatory action | You can work for heating / cooling | |
| Power Supply | voltage | 190-250VAC On request: 24VAC or DC, 12VAC or DC |
| power consumption | 4VA | |
| alarms | Exceeding the scope of | The signal light and sound - pulsing |
| sensor failure | The signal light and sound - pulsing | |
| Damage to the power circuit | Light and sound signal - a continuous | |
| other | memory | Protection against power outages, Enduring memory setting parameters and values |
| digital display | 3 + 4 digits (green, red - 14mm) | |
| display range | temperature - 999 °C | |
| degree of protection | From the front IP54, IP20 total | |
| operating temperature | 0 - 45 °C | |
| humidity | 80% without condensation | |
| weight | 950g | |
| Sizes | WxSxG (96x96x130mm) | |
| Mounting Hole Dimension | WxS (91x91mm) | |
| Mounting plate thickness | to 8mm | |
| Faceplate Color | Green, gray, another to the arrangements |
Opis zacisków

Types of measuring inputs
| code | sensor | range |
| 1 | Thermocouple J | 0 - 800°C |
| 2 | Thermocouple K | 0 - 1200°C |
| 3 | Thermocouple N | 0 - 1300°C |
| 4 | Pt100 | -200 - 750°C |
| 5 | 0 - 1 V | ------- |
| 6 | 0 - 20 mA | ------- |
| 7 | 4 - 20 mA | ------- |
















