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The simple-design low-cost microprocessor-based controller RT28 combines the advantages of the microprocessor devices with the high reliability of analog controllers. It is available with 96×48, 48×96, and 96×96 mm DIN-sized front panel and can be equipped with up to 2 control relays. To control its outputs, RT28 may utilize either ON/OFF (heat/cool) duplex or PD control algorithm. The ON/OFF control algorithm allows flexible programming of the action of each relay for solving variety of problems. The PD algorithm results in PI control when used to control motorized valve actuators without position feedback. The reliable operation even in the presence of electromagnetic disturbances and the attractive price also account for the success of the RT28 controller.
| Корпус | 48×96 mm, 96×48 mm, 96×96 mm |
|---|---|
| Захранване | 115 VAC, 230 VAC, 90…250 V |
| Разрешаваща способност | 0.1, 1 |
| Релеен изход | |
| Закон за управление | ON/OFF, PD |
| Компенсация на 3-проводната RTD линия | Built-in line resistance compensation, None |
| Повишена лицева защита | IP65 |
| Аналогов вход | 0…10 V DC linear voltage, 0…20mA DC linear current, 4…20mA DC linear current, Other, RTD Cu100 – 1.426, RTD Cu100 – 1.428, RTD Cu50 – 1.426, RTD Cu50 – 1.428, RTD Pt100 – 1.385, RTD Pt1000 – 1.385, RTD Pt50 – 1.385, RTD Pt500, Thermocouple (TC) J, Thermocouple (TC) K, Thermocouple (TC) L, Thermocouple (TC) L – GOST |
| Input (total number of points for any range: 999) | |
| Pt50 (w=1.385); 3-wire | -9,9(-50)…90,0(500) °C |
| Pt100 (w=1.385); 3-wire | -9,9(-50)…90,0(500) °C |
| Pt500 (w=1.385); 3-wire | -9,9(-50)…90,0(500) °C |
| Pt1000 (w=1.385); 3-wire | -9,9(-50)…90,0(500) °C |
| Cu100; 3-wire | -9,9(-50)…90,0(200) °C |
| Cu50; 3-wire | -9,9(-50)…90,0(200) °C |
| Other RTD (1) | min. -99…max. 500 °C |
| Thermocouple “J” | 0…999(600) °C |
| Thermocouple “K” | 0…999(850) °C |
| Thermocouple “L” | 0…900(600) °C |
| Thermocouple “L-GOST” | 0…650(550) °C |
| Other thermocouple (1) | min. -99(0)…max. 900(999) °C |
| Linear voltage 0…10 V | -99…900 (0…999) (2,3) |
| Linear current 0(4)…20 mA | -99…900 (0…999) (2,3) |
| Custom linear voltage; max. 40 V | min. -99…max. 999 (2,3) |
| Custom linear current; max. 80 mA | min. -99…max. 999 (2,3) |
| Outputs (up to 2 relay outputs) | |
| Relay electromechanical | 5A/250V w/ NO/NC contact |
| Solid state relay (SSR) (4) | 1A/250VAC |
| MOS gate (4) | 0.1A/60V, optically isolated |
| Output for external SSR | 5…24 V, 30 mA |
| Control algorithm | ON/OFF, PD |
| Set point | within input range limits |
| Programmable parameters | according to control algorithm |
| Accuracy | |
| Measurement error | 0.4% from span |
| Temperature drift | 0.005% from span for 1 °C |
| Cold junction compensation | ± 1 °C |
| RTD line compensation (option) | 0.01% from span for 1 Ω |
| Power supply | |
| Mains supply voltage | 230 VAC or 115 VAC |
| SMPS voltage | 90…250 V |
| Isolated low voltage | 12…24 V or 24 VAC |
| Non-isolated low voltage | 12…24 V |
| Consumption | max. 3 VA |
| Indication and controls | |
| Digital display | 3 LED indicators |
| LEDs | 2 LED for output state |
| Keyboard | 3 membrane keys |
| Operating conditions | |
| Ambient temperature | -10…65 °C |
| Ambient humidity | 0…85 %RH |
| Design and materials | B | H | V |
| Front dimensions [mm] | 96×96 | 96×48 | 48×96 |
| Mounting | panel | panel | panel |
| Panel cutout [mm] | 90×90 | 90×42 | 42×90 |
| Mounting depth [mm] | 98 | 98 | 98 |
| Display digit height [mm] | 20 | 14 | 14 |
| Maximum weight [g] | 350 | 300 | 300 |
| Protection, front/terminals | IP54 / IP20 | IP54 / IP20 | IP54 / IP20 |
| Increased front IP (option) | IP65 | IP65 | IP65 |
| Case material | plastic | plastic | plastic |
| Wiring (terminals) | plug-in | plug-in | plug-in |
(1) Custom; specify range within the limits stated.
(2) Specify lower and upper display limits.
(3) Provides loop supply voltage – 24 VDC (only w/ isolated power supply)
(4) Ask for availability!
Наименование на проекта: Решения в областта на информационните и комуникационни технологии и киберсигурността в малките и средните предприятия
Краен получател: Комеко АД
Обща стойност: 20 000 лв
Цел на проекта: Допринасяне за ускоряване на прехода към цифровизация на икономиката чрез предоставяне на безвъзмездни средства за внедряване на информационни и комуникационни технологии и решения, осигуряващи повишаване нивото на дигитализация на малките и средните предприятия
Етапи: Създаване на онлайн магазин, създаване на корпоративен уебсайт, изграждане на система за архивиране на информация
