"Phoenix 2878243 PR1-BSC2/2X21 Inline Terminal 24V DC, DIN Rail Mount, "
**I/O-System Inline - Digital Input Channel**
This terminals are used to acquire digital input signals. It is designed for use within an Inline station. The inputs are NPN-wired.
Allied Electronics:
Inline Digital Input Terminal; 32 Inputs; IB IL 24 DI 32/HD-NPN-PAC
Electro Sonic:
Inline - Digital input terminal - Digital inputs: 32 NPN - 24 V DC - connection method: 1-wire - transmission ...