Product Description
Turck BL20-E-2CNT-2PWM I/O module
The Turck BL20-E-2CNT-2PWM is an i/O module. Signal type counter, Digital output, Digital input, protection class IP20, connection via tension clamp terminal, ambient temperature from 0 °C. Ident no. 6827341, EAN 4047101252859.
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
- 2 x counter/encoder channels 200 kHz
- 2 PWM outputs 20 kHz / 0.5 A
- 2 digital outputs 20 kHz / 0.5 A
- Counting modes: Continuous, single or periodic count
- Measurement operating modes: Frequency, rotation speed or period duration measurement
Technical data
Outputs (7)
| Lamp load |
<10 W |
| Load resistance, resistive |
>48 Ω |
| Output type |
PNP |
| Switching frequency |
≤ 20000 Hz |
| Switching frequency, inductive |
< 2 Hz |
| Switching frequency, lamp load |
< 10 Hz |
| Switching frequency, resistive |
< 100 Hz |
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 |
Detection area/measuring range (5)
| Lower count limit |
0x80000000 up to 0xFFFFFFFF |
| Upper count limit |
0x80000000 up to 0x7FFFFFFFF |
| Frequency measurement |
up to 200 kHz |
| Period duration measurement |
resolution 200 ns, max. period duration (2 32 - 1 ) * 200 ns |
| Speed measurement |
factor parametrizable |
Digital outputs (5)
| Output voltage |
24 VDC |
| Output current per channel |
0.5 A |
| Simultaneity factor |
1 |
| Load type |
Resistive, inductive, lamp load |
| Output delay |
0,2 ms |
Power supply (4)
| Admissible range |
18…30 VDC |
| Nominal current from module bus |
≤ 50 mA |
| Power dissipation, typical |
≤ 1 W |
| Nominal current from field supply |
≤20 mA |
Digital inputs (4)
| Low-level signal voltage |
Parametrizable: 0 to 1 VDC or 0 to 4.5 VDC |
| High level signal voltage |
Parametrizable: 2.5 to 30 VDC or 7.5 to 30 VDC |
| Low level signal current |
0 to 0.1 mA or 0…0.4mA |
| High level signal current |
0.3 to 3 mA or 0.6…3 mA |
Tests/approvals (3)
| Approvals |
cULus |
| Approvals |
CE |
| MTTF |
245 years acc. to SN 29500 (Ed. 99) 20 °C |
Inputs/Outputs (2)
| Number of channels |
2/2 |
| Electrical isolation |
Electronics and field level isolated via optocouplers |
Inputs (2)
| Filter off |
< 2.5 µs (200 kHz) |
| Filter on |
> 16 µs (62,5 kHz) |
Mechanical data (2)
| Dimensions |
160,8 mm x 13 mm x 74,6 mm |
| Output connectivity |
Push-in |
General data (1)
| Rated voltage from the supply terminal |
24 VDC |
Electrical data (1)
| Short-circuit protection |
yes |
Process image (1)
| Number of parameter bytes |
15 |
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)
