Display unit BU-70 is intended for connection to Autronica fire alarm control panel BS-100 DYFI®.
Display unit BU-70 is a remote text presentation unit intended for connection to Autronica fire alarm control panel BS-100 DYFI®.
The communication between the display unit and the fire alarm control panel operates via an Autronica ASSP-protocol (20 mA current loop).
The unit is often used in installations where there is a need for distributed information.
* Informs the operator of the following
control panel conditions;
PREWARNING, FIRE, MORE ALARMS,
FAULT and MAINS by means of indication
* Contains a 2 x 40 characters text display
pinpointing detector(s) in alarm condition.
* Internal buzzer operates at PREWARNING,
FIRE, MORE ALARMS and/or FAULT.
* Operating buttons for MORE ALARMS and
|Dimensions||H=135 mm, W=264 mm, D=76 mm|
|Mounting||On wall / bulkhead|
|Materials||Aluminium front with zintec plate connection house|
|Grade of protection||IP 22|
|Environment||Temperature: +5o C to +40o C. Relative humidity: Max. 90 %RH (non condensing)|
|Power supply||22 – 32 V DC from fire alarm control panel, or separate source|
|Current consumption||Normal: 35 mA. Alarm: 285 mA.|
|Connections||Communication: 4 wire 20 mA current line with galvanic separation.|
|Power connection||2 terminals for 24 V DC|
|Number of BU-units connected to BS-100||Max. 16 units|
|Number of BU-units in a current loop||Max. 10 units directly connected to control panel BS-100. (without any current line amplifier)|
|Recommended current loop cable||0,5 mm2 4-core. Screended cable must be grounded in the fire alarm control panel.|
|Max. cable length
fire alarm control panel
and the last BU-unit in
the current loop