Gira L1

Logic nodes

A library with many powerful logic nodes is available in the logic editor of the Gira Project Assistant. This library contains parameters and initialisation values/constants, which can be utilised to customise the automation logic. To do this, an input, a logic block and an output are simply combined at the click of a mouse.

Multiplexer

Forwards incoming telegrams from the input to a single selected output.

Shading

Checks whether the position of the sun is within the parameters for shading to trigger shading.

Elapsed operating time meter

Determines the time in which the value of the input was not equal to 0.

Date and time

Breaks down the DateTime data type into its individual date and time portions.

Switch on/off delay

Delays 0 and 1 telegrams by an adjustable period of time.

Filter

Filters the incoming telegrams using conditions.

Edge detector

Detects rising and falling edges on the input.

Basic arithmetic operation

Applies one of the selectable basic arithmetic operations over the inputs.

Inverter

Inverts the signal arriving at the input.

Blind tracking

Aligns the slats of the blinds depending on the position of the sun.

OR gate

An OR gate with a variable number of inputs.

Oscillator

Generates periodic square wave signals. With a rising edge, a 1 is sent on the output as standard; with a falling edge, a 0 is sent as standard.

PI controller

Calculates the control point of a PI controller from the deviation between the actual and setpoint values of the control variable.

PID controller

Calculates the control point of a PID controller from the deviation between the actual and setpoint values of the control variable.

Controller Heating/Cooling

Based on a PI controller for both heating and cooling control.

Roller shutter tracking

Lowers roller shutters for shading based on the position of the sun.

Threshold with hysteresis

Filters numerical input telegrams via switching hysteresis comprised of two different threshold values.

Send-by-change

Forwards the value from the input to the output if this value differs from the previous one.

Position of the sun

Calculates the position of the sun.

Lock-out

Blocks incoming telegrams using a condition.

Fault message

If a fault occurs, it sends 0 and 1 on the "Optical signal" output in an alternating fashion.

Telegram generator

This module generates periodic telegrams. A 1 is sent on the output. The cycle time is adjustable.

Telegram delayer

Delays telegrams by an adjustable period of time.

Room divider controller

Combines all switching objects of a room opened by a partition wall in a single controller.

Stairway light

After the time elapses, a warning is first output to then switch off the light.

Type converter

Forwards the input value to the output value, discarding the type during the process.

AND gate

An AND gate with a variable number of inputs.

Distinguish short/long button press

The module evaluates an input value based on a freely definable period of time.

Comparator

Compares two numbers with a selectable operator.

Watchdog

Sends a telegram if no telegrams have arrived from the input after a defined timespan elapses.

Value generator

This node sends a specified telegram value when triggered.

XOR gate

An exclusive OR gate with a variable number of inputs.

Counter

Counts telegrams with a value of 1. The meter reading is saved continuously.

Random generator

Sends a random whole number from a set value range when it is triggered.

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L1 logic module

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