# Controller, Ramp/Soak, Fuzzy Logic, 1/32 DIN, B/C/E/J/K/L/N/R/S/T/Pt100/Pt1000/RTD, -10 to 55 °C
**URL**: https://novapart.co/products/CN74020/controller-ramp-soak-fuzzy-logic-1-32-din-b-c-e-j
**SKU**: CN74020
**Manufacturer**: OMEGA
**Category**: Automation & Process Control || Temperature Controllers
**Price**: €621.7800
**Stock**: 10+
**Lead Time**: 239 days (indicative)
## Specifications
| Parameter | Value |
|---|---|
| Svhc | Lead (04-Feb-2026) |
| Product Range | CN74000 Series |
| Thermocouple Type | B, C, E, J, K, L, N, R, S, T, Pt100, Pt1000, RTD |
| Output Voltage Max | - |
| Output Voltage Min | - |
| Temperature Accuracy ± | 0.25% |
| Operating Temperature Max | 55°C |
| Operating Temperature Min | -10°C |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:3807891/)
## **1 ⁄32 DIN Ramp/Soak Controllers with Fuzzy Logic**
## **CN74000 Series**
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## **Specifications**
## U **Large Dual Display** U **Autotune**
**Selectable Inputs:** Thermocouple, RTD, DC voltage or DC current
## U **Fuzzy Logic**
**Display:** Two 4-digit, 7-segment, 6.35 mm H (0.25") LEDs **Accuracy:** ±0.25% of span, ±1 least significant digit **Supply Voltage:** 100 to 240 Vac, nominal, 10 to 15%, 50 to 400 Hz
## U **Universal Inputs**
## U **Peak/Valley Indication**
## U **Percent Ouput Indication**
**Single Phase:** 132 to 240 Vdc, nominal, 10 to 20%
## U **16-Segment Ramp/Soak Function**
**Power Consumption:** 5 VA maximum
**Operating Temperature:** -10 to 55°C (14 to 131°F) **Memory Backup:** Non-volatile memory, no batteries required **Control Output Ratings** :
## U **Illuminated Keypad** U **Free Software**
**Relay:** SPST, 3 A @ 240 Vac resistive; 1.5 A @ 240 Vac inductive; Pilot Duty Rating **:** 250 VA, 2 A @ 120 Vac or 1 A @ 240 Vac
The CN74000 Series controllers set a new standard or 1 A @ 240 Vac in[1] ⁄32 DIN power, flexibility, and value. Despite their **Switched Voltage (Non-Isolated):** 5 Vdc @ 20 mA small size, these controllers are loaded with features, **Weight:** 114 g (4 oz) including multiple universal inputs, fuzzy logic, **Front-Panel Rating:** NEMA 4X (IP66) autotune, auto/manual capability, and 16-segment **Panel Cut-Out:** 45 x 22 mm (1.772 x 0.874") ramp and soak with adjustable time base. RS485 serial **Maximum Panel Thickness:** 6.35 mm (0.25") communication is optional. **Panel Depth:** 111.60 mm (4.395") **Inputs To Order In** ~~ee~~ **put Types Range** ~~a~~ **Thermocouple** -200 to 2500°F (-129 to 1371°C) ~~Ps~~ **Thermocouple** -100 to 1600°F (-73 to 871°C) **Model No. Description** ~~es~~ **Thermocouple** -350 to 750°F (-212 to 398°C) **CN74020** Single output, DC pulse **CN74030** Single output, relay ~~Sa~~ **Thermocouple** -100 to 1800°F (-73 to 982°C) **CN74033** Dual output, relay/relay **Thermocouple** -100 to 2372°F (-73 to 1300°C) **CN74053** Dual output, 4 to 20 mA/relay ~~PR~~ **Thermocouple** 0 to 3200°F (-17 to 1760°C) **CN74123** Dual output, DC pulse/relay and alarm ~~FS—~~ **Thermocouple** 0 to 3200°F (-17 to 1760°C) ~~—~~ **CN74133** Dual output, relay/relay and alarm ~~Be~~ **Thermocouple** 75 to 3308°F (24 to 1820°C) ~~Le~~ **(J DIN) Thermocouple** -100 to 1600°F (-73 to 871°C) **Options** ~~Co~~ **Thermocouple** 0 to 4208°F (-17 to 2320°C) **Pt1 RTD** ~~eses~~ **Pt10000, 12 RTD RTD 0** Ω **(0 Nickel (0.0039.00385)2(0).00628)** --2-2800000 to to to 388277055°°°CCC (((---112 to 332288 to 1 to 160860607°F7°F°F))) **Ordering Suffix -LV -C4* Description** RS485 communications12 to 24 Vdc/Vac power ~~ee~~ **RTD, Pt1000 (0.00385)** -200 to 875°C (-328 to 1607°F) **Accessories (Field Installable) 0 to 20 mA*, 4 to 20 mA*** -1999 to 9999 **Model Number Description 0 to 10 Vdc*, -10 to 10 Vdc*,** -1999 to 9999 ~~pe~~ **-10 to 10 mVdc*** ~~——~~ **CNQUENCHARC** Noise suppression kit, 110 to 230 Vac _**Note:** All thermocouple and RTD inputs can be set for 0.1° display. If temperature goes above 999.9° or less than -199.9° the display_ **CN7-485-USB-1** RS485 to USB mini-node _will return to whole degree resolution._ _*****_ ~~es~~ _**[ Process Input Types: ]**[The 0 to 20 mAdc, 4 to 20 mAdc, 0 to ]_ _*****_ ~~a~~ _[ Free CN7-A sofware download available at ]_ converter _**[OMEGA]** 10 Vdc, and 2 to 10 Vdc, inputs are fully scalable from a minimum of_ _**Ordering Examples: CN74123-C4,** dual-output controller, DC pulse 100 counts span placed anywhere within the within the range of and a mechanical relay output, alarm, RS485 communications. -1999 to 9999. Decimal point position is adjustable from the zero place (9999), tenths (999.9), hundredths (99.99), or thousandths (9.999)._ _**CN74030,** single output controller, relay._
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## Links
- [View this product on Novapart](https://novapart.co/products/CN74020/controller-ramp-soak-fuzzy-logic-1-32-din-b-c-e-j)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/omega/cn74020/ramp-soak-controller-1-32-din/dp/3807891)
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