Multi Purpose Interface

The MPI unit is designed to accept up to 8 analogue or digital (volt free contact closure) inputs. Each input function is programmable. There are two types of analogue input: potentiometer and light sensor; and three types of digital input: contact closure; passive infra-red (PIR) control and fire alarm activation.

ANALOGUE

Potentiometer Input : accepts 0 - 10V input to control the level of a single light or group of lights (which can be combined with a digital input closed to stop spurious operation). Light Sensor : accepts 0 - 10V signal to select one of 8 scenes depending on lux level. Both the level at which each scene is activated and the scene number are programmable.

DIGITAL

Contact Closure : upon contact closure, a programmable scene is activated.
PIR: upon contact closure, a programmable scene is activated. Upon contact
opening, a programmable scene is selected after a programmable delay (0 - 63.5 minutes). Fire Alarm : upon contact closure, a programmable scene is activated and continues to be activated at a programmable rate of 0 - 127 seconds.

ORDER CODES

MIU/3

Multi-purpose interface

OTHER INTERFACES

MIU/1

Multiplexor

MIU/2

RS232 Gateway

MIU/4

24 input / 8 output volt-free interface

MIU/8

Dial-in Interface

System Example

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