DSM/S1.1 Diagnosis and Protection Module, MDRC -
The diagnosis and protection module enables quick diagnostics of the bus state and indicates telegram traffic via an LED. A bus failure (U < Umin) can be signalled via the changeover contact. The DSM incorporates a suppressor diode which suppresses transient over voltages and interference voltage spikes on the KNX.
The DSM/S is a rail mounted modular installation device for installation in distribution boards. The connection to KNX is established using the bus connection terminal.
- Rated Voltage: 21...31 V DC, via the bus
- Rated Current: Max 8mA
- Relay Contact Rating: NO 6 A at 230V AC (AC1/AC3) / 4 A at 24 V DC
- Relay State: During normal operation the contact is open, closing when the voltage drops below 20 V
- Protective Function: Suppressor Diode (43 V/1500 W @ 10/1000 µs pulse)
|Operating voltage||KNX Bus (29VDC)|
|EAN||40 16779 65205|