BI-M-4.20.1.11 Binary Input, 4-fold, Contact Scanning, MDRC

Data Sheet:

Scans floating contacts with internally generated scanning voltage. No external Voltage needed. The binary inputs enable detection of independent input signals. Each channel can be connected with conventional push-buttons or auxiliary contacts. The information can be used to control free@home actuators or to indicate status information. The devices are powered via the free@home bus and do not require an additional power supply.