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ABB i-bus® KNX
Safety and Monitoring

Fault Monitoring Unit, MDRC
It is used to detect and manage up to 100 fault messages which are processed within the unit
and can be forwarded to a display unit. Furthermore, an optical and an acoustic collective sta-
tus signal is provided. Messages can be acknowledged and data losses can be reported.
The devices support message formats to DIN 19 235: messages with continuous lighting,
new value messages with simple flashing light, initial value messages with simple acknowl-
edgement, motor messages. Current values can be centrally scanned.

SMB/S 1.1 Description Mod. Order details Price Weight Pack
width 1 piece 1 piece unit

Type code Order code kg pc.
2 SMB/S 1.1 GHQ6310085R0111 0.12 1

EIB Monitoring Unit, MDRC
Monitors up to 100 bus devices in KNX systems, which can be divided into 5 groups. The de-
vices are monitored to ensure their presence and minimum functionality (send and receive).
Monitoring can be undertaken based on the physical address or the group address. A total of
four different monitoring modes are available.

Description Mod. Order details Price Weight Pack
width 1 piece 1 piece unit
EUB/S 1.1 Type code Order code kg pc.
2 EUB/S 1.1 2CDG110066R0011 0.12 1

Data Logging Unit, MDRC
It detects local operation cycles and operating hours to plan the maintenance or durability
evaluation of the devices. For each of the 35 channels to be monitored, limit values can be set
and a message sent if this limit is exceeded. The logging of operating hours can be predeter-
mined for the total or remaining time. These values can be modified via communication ob- 14
jects.

Description Mod. Order details Price Weight Pack
width 1 piece 1 piece unit
BDB/S 1.1
Type code Order code kg pc.
2 BDB/S 1.1 2CDG110067R0011 0.12 1