Turck BL20 4-channel digital input module, 24 VDC, PNP/sink input. Pluggable screw-terminal base for BL20 modular I/O station.
| Series | BL20 |
| Type | Digital input module |
| Channels | 4 |
| Input | 24 VDC, PNP (Type 1/3) |
| Input filter | Configurable |
| Indicators | Per-channel LED |
| Connection | Pluggable screw terminal |
| Protection | IP20 |
| IP rating | IP20 |
| MOQ | 1 |