Component: IButton (DS1990) (EEPROM): Difference between revisions

Latest revision as of 14:37, 13 July 2026

Author	MatrixTSL
Version	1.0
Category	EEPROM

IButton (DS1990) component

A rugged 48-bit unique identifier allowing for unique codes for logistical tracking or device identifiers etc. Compatible with the DS1990A and DS1990R iButton devices. Requires a One Wire component to perform the bus operations.

Component Source Code

Please click here to download the component source project: FC_Comp_Source_IButton_DS1990.fcfx

Please click here to view the component source code (Beta): FC_Comp_Source_IButton_DS1990.fcfx

Detailed description

No detailed description exists yet for this component

Examples

No additional examples

Macro reference

AddressNextDevice

	AddressNextDevice
Scans for the next connected device with a matching family code. Goes through the device list generated by the ScanBus macro.
- VOID	Return

GetSerialString

	GetSerialString
Gets the Serial String for the current addressed device.
- STRING	Return

Initialise

	Initialise
Configures each matching sensor on the bus with the specified conversion bits.
- VOID	Return

Property reference

	Properties
	One Wire Component
Link to the one wire component to host the bus.
	Simulation
	Simulate Comms
No - We use the panel GUI to perform the simulation. Yes - We use OneWire comms via an API to communicate with real hardware.
	Panel Simulation
	Number Devices
Sens the number of sensors we can communicate with during simulation
	Serial 0
Serial number for simulated one wire device

@@ Line 142: / Line 142: @@
 | colspan="2" | Link to the one wire component to host the bus.&nbsp;
 |-
-| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
+| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
 | width="90%" class="mtx-class-propfolder" | Simulation
 |-
@@ Line 151: / Line 151: @@
 | colspan="2" | No - We use the panel GUI to perform the simulation. Yes - We use OneWire comms via an API to communicate with real hardware.&nbsp;
 |-
-| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
+| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
 | width="90%" class="mtx-class-propfolder" | Panel Simulation
 |-

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