I/O Unit (IOU) for the Besam SL500 and Entrematic PSL 100/150 sliding door operators.

The addon IOU unit provides extra functionality, if required, like Close impulse, Nurse impulse, Open/Close impulse, Emergency open impulse (fireman’s opening), connection of optional operation mode selector and a fire alarm connection.
This unit has also a relay output for external error or status indication, maximum 15W, 42VAC / 30 VDC (SELV), resistive load only.

Extra functions available from the I/O Unit

• Open / Close function

One button impulse, will alternate between Open and Close. The door will stand open until next impulse or can after an adjustable time delay automatically start to close even if a new impulse is
not received.

• Fire alarm connection

Used to emergency open or fire close the door with mains power on.

• Nurse function

Used mostly in combination as a Nurse -Bed function.Nurse opens the door to partial open position, and bed (connected to inner or outer impulse) opens to full open position. Nurse works in operation mode selections Exit, Auto. The Nurse impulse has the same hold open time as partial open.

• Remote Exit mode

Remotely put door into Exit via an remote system, like timer. Requires a N/O contact.

• Emergency open impulse

Used to give opening (fireman's opening) impulse to the door in any operation mode selector setting. With electrical emergency unit also during power failure.

Manufacturer Article N0. 1007779