Product Description
Turck BL20-EL-8AI-U/I I/O module
The Turck BL20-EL-8AI-U/I is an i/O module. Signal type analog input, Temperature, protection class IP20, connection via tension clamp terminal, ambient temperature from 0 °C. Ident no. 100052131, EAN 4047101696370.
Features
- Fieldbus-independent
- Electronics and connection technology in one housing
- Connectivity: Push-in terminals
- Protection class IP20
- LEDs indicating status and diagnostics
- Electronics galvanically isolated from the field level via optocouplers
- 8 analog 2-wire inputs U/I
- Inputs not supplying power — power supply is external
- 0…20 mA, 4…20 mA, -10…+10 VDC or 0… +10 VDC, selectable per channel
- Alternatively: 4PT/NI inputs (always 2 analog inputs are combined to a PT/Ni 2/3-wire input) Pin Assignment Pin assignment for 4-wire sensor (U/I) Pin assignment for 4-wire sensor (U/I) Pin assignment for 2-wire sensor (U/I)
Technical data
Ambient conditions (7)
| Ambient temperature |
0...+55 °C |
| Storage temperature |
-25…+85 °C |
| Relative humidity |
15…95 %, no condensation allowed |
| Electromagnetic compatibility |
Acc. to EN 61131-2 |
| Shock test |
Acc. to IEC 60068-2-27 |
| Vibration test |
Acc. to EN 61131 |
| Protection class |
IP20 |
Inputs (5)
| Input resistance |
< 62 Ω (current) resp. > 98.5 kΩ (voltage) |
| Input type |
0/4…20 mA, -10/0…10 VDC, Pt100, Pt200, Pt500, Pt1000, NI100, NI1000, 0…250 Ω, 0…400 Ω, 0…800 Ω, 0…2000 Ω, 0…4000 Ω |
| Max. input current |
Current mode: 50 mA |
| Max. input voltage |
Voltage: -20 VDC < U < 20 VDC |
| Maximum limiting frequency analog |
1.5 Hz |
Power supply (4)
| Admissible range |
18…30 VDC |
| Nominal current from module bus |
≤ 35 mA |
| Power dissipation, typical |
≤ 1,5 W |
| Nominal current from field supply |
≤35 mA |
Outputs (3)
| Basic fault limit at 23 °C |
< 0,2 % |
| Measured-value display |
16 bit signed integer 12 bit full range left-justified 12-bit, left-justified |
| Temperature coefficient |
< 200 ppm/°C of full scale |
Process image (2)
| Number of diagnostics bytes |
8 |
| Number of parameter bytes |
8 |
Mechanical data (2)
| Dimensions |
160,8 mm x 13 mm x 74,6 mm |
| Output connectivity |
Push-in |
Tests/approvals (2)
| Approvals |
CE, cULus |
| MTTF |
229 years acc. to SN 29500 (Ed. 99) 20 °C |
General data (1)
| Rated voltage from the supply terminal |
24 VDC |
Inputs/Outputs (1)
Digital inputs (1)
| Electrical isolation |
electronics for the field level |
Accuracy/deviation (1)
Standards/directives (1)
| Drop and topple |
Acc. to IEC 60068-2-31 |
Comments (1)
Delivery time and availability
For urgent orders please ask us for the exact delivery time in advance; on request we check express shipping.
Your Benefits With Us
- Worldwide shipping of all Turck fieldbus and interface products
- Large stock levels for many products – current lead time available on request
- Terminal blocks, terminating resistors, gateways and connection cables available on request
- Fast shipping via UPS (parcel) or freight forwarder (pallets), express delivery available on request
- Extensive hands-on application know-how
- Personal advice on selecting the right component
- Resellers receive volume-based discounts on request
- Large companies, public authorities and government agencies can order on account (request via our contact form)