Product Description
Turck BL20-2AI-U(-10/0...+10VDC) I/O module
The Turck BL20-2AI-U(-10/0...+10VDC) is an i/O module. Signal type analog input, 2 channels, for Zone 2, protection class IP20, connection via tension clamp terminal, Screw terminal, ambient temperature from 0 °C. Ident no. 6827022, EAN 4047101137651.
Features
- Independent of the fieldbus and connection technology used
- Protection class IP20
- LEDs indicating status and diagnostics
- Electronics galvanically isolated from the field level via optocouplers
- 2 analog inputs -10/0 …-10 VDC
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 |
> 98.5 kΩ |
| Input type |
-10/0…10 VDC |
| Max. input voltage |
35 V continuous |
| Maximum limiting frequency analog |
50 Hz |
| Measuring principle |
Delta Sigma |
Outputs (4)
| Basic fault limit at 23 °C |
< 0,2 % |
| Cycle time |
≤ 10 ms |
| Measured-value display |
16 bit signed integer 12 bit full range left-justified |
| Temperature coefficient |
< 150 ppm/°C of full scale |
Power supply (3)
| Nominal current from module bus |
≤ 35 mA |
| Power dissipation, typical |
≤ 1 W |
| Nominal current from field supply |
≤12 mA |
Tests/approvals (3)
| Approvals |
cULus |
| Approvals |
CE, cULus, zone 2, Class I, Div. 2 |
| MTTF |
612 years acc. to SN 29500 (Ed. 99) 20 °C |
Process image (2)
| Number of diagnostics bytes |
2 |
| Number of parameter bytes |
2 |
Accuracy/deviation (2)
| Resolution |
16 Bit |
| Repeatability |
0,05 % |
Mechanical data (2)
| Dimensions |
74,1 mm x 12,6 mm x 55,4 mm |
| Output connectivity |
Screw, tension spring |
General data (1)
| Rated voltage from the supply terminal |
24 VDC |
Inputs/Outputs (1)
Digital inputs (1)
| Electrical isolation |
electronics for the field level |
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)
