Product Description
Turck BL20-1RS485/422 I/O module
The Turck BL20-1RS485/422 is an i/O module. Signal type RS485/422, one channel, for Zone 2, protection class IP20, connection via tension clamp terminal, Screw terminal, ambient temperature from 0 °C. Ident no. 6827165, EAN 4047101137798.
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
- Transfer of serial data via RS485/422 interface
- For connection of printers, light screens and bar code scanners e.g.
Technical data
Inputs/Outputs (8)
| Number of channels |
1 |
| Transmission signals |
TxD, RxD |
| Receive/send data buffer |
128/64 Byte |
| Connection type |
2-wire half duplex or 4-wire full duplex |
| LED response |
RS485/422, transmission rate, diagnostics, data bits, stop bits, XON - character, XOFF - character, parity, flow control |
| Line impedance |
120 Ω |
| Terminating resistor |
external |
| Electrical isolation |
Electronics and field level isolated via optocouplers |
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 |
Power supply (3)
| Nominal current from module bus |
≤ 60 mA |
| Power dissipation, typical |
≤ 1 W |
| Nominal current from field supply |
≤25 mA |
Tests/approvals (3)
| Approvals |
cULus |
| Approvals |
CE, cULus, zone 2, Class I, Div. 2 |
| MTTF |
836 years acc. to SN 29500 (Ed. 99) 20 °C |
EtherNet/IP (2)
| Number of input bytes |
8 |
| Number of output bytes |
8 |
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 |
Outputs (1)
| Transmission rate |
300 to 115,200 bps |
Cable (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)
