BWU1939ASi Safety Input Module, IP20, 1SI/2O

Product description

ASi Safety Input Module in IP20, 22,5 mm x 50 mm, with 3 x 4 contacts, 1 x 2 channels safe input (SIL 3, cat. 4) for floating contacts, 2 digital outputs, input voltage/sensor supply out of ASi, output voltage/actuator supply out of AUX, periphery connection via Push-in terminals, length of connector cable max. 15 m for inputs and outputs, ASi connection via Push-in terminals, 1 single address

Technical data

Inputs Safety, SIL 3, Cat. 4

Safe inputs can be configured as 1-channel or 2-channels depending on the desired application or PL and SIL level.

1 x 2 channels
Safety signal inputs floating contacts
Outputs Safety, SIL 3, cat. 4 no local safe output
Safety signal outputs no Safety signal outputs
Input voltage (sensor supply)

inputs are supplied by ASi or by AUX (24 V or 48 V auxiliary power). If supplied by ASi, inputs shall not be connected to earth or to external potential.

out of ASi
Output voltage (actuator supply)

Electronic outputs are supplied by ASi or by AUX (24 V or 48 V auxiliary power). If supplied by ASi, outputs shall not be connected to earth or to external potential.

 

For relay outputs the relay contacts are initiated from ASi. The load circuit is powered externally as specified in the data sheet.

out of AUX
ASi address

Bihl+Wiedemann offers modules with AB address, single address or ASi-5 address. In some cases, ASi modules can occupy several (different) addresses. Mixed operation of modules with different addressing in the same ASi circuit is permitted.
For ASi modules with two ASi-3 nodes, the second ASi-3 node is turned off as long as the first ASi-3 node is addressed to address "0".
Upon request, ASi modules are available with specific ASi node profiles.

1 Single address
Special function no special function

How to troubleshoot an existing ASi installation

Manuals

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