Electronic Key TM1990A-F5 (iButton, TM )
Electronic Key TM1990A-F5
Unique, factory-lasered and tested 64-bit registration number (8-bit family code + 48-bit serial number + 8-bit CRC tester) assures absolute traceability because no two parts are alike.
Multidrop controller for MicroLAN.
Digital identification by momentary contact.
Chip-based data carrier compactly stores information.
Data can be accessed while affixed to an object.
Economically communicates to bus master with a single digital signal at 16.3k bits per second.
Standard 16 mm diameter and 1-Wire protocol ensure compatibility with INFORMATION BUTTON family.
Button shape is self-aligning with cupshaped probes.
Durable stainless steel case engraved with registration number withstands harsh environments.
Easily affixed with self-stick adhesive backing, latched by its flange, or locked with a ring pressed onto its rim.
Presence detector acknowledges when reader first applies voltage.