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

Revision as of 14:15, 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 88: / Line 88: @@
 ===AddressNextDevice===
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
+{| class="mtx-class-macrotable wikitable"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
@@ Line 102: / Line 102: @@
 ===GetSerialString===
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
+{| class="mtx-class-macrotable wikitable"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
@@ Line 116: / Line 116: @@
 ===Initialise===
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
+{| class="mtx-class-macrotable wikitable"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
@@ Line 131: / Line 131: @@
 ==Property reference==
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
+{| class="mtx-class-macrotable wikitable"
 |-
 | width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]

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