Mettler Toledo XK3139 Keyboard Switch Membrane Repair

The XK3139 has specific bits to allow the PLC to confirm that data was received without interruption and the XK3139 Membrane Keyboard is not in an error condition. It is important to monitor these bits. Any PLC code should use them to confirm the integrity of the data received for the XK3139. Refer to data charts in Appendix A and Appendix B for specific information regarding the Data OK, Update in Progress, Data Integrity bits and their usage.
The integer and division formats allow bi-directional communication of discrete-bit encoded information or 16-bit binary word numerical values. The XK3139 provides a one-quarter rack of data per Message Slot when in integer or division mode.
The floating-point format allows bi-directional communication of discrete bit encoded information or numeric data encoded in IEEE 754, single precision floating point format. The XK3139 Membrane Keypad provides one-half rack of data per Message Slot when in floating point mode.

VICPAS supplies Mettler Toledo XK3139 Operator Panel Keypad with 365 days warranty and support Urgent Worldwide Shipping. The XK3139 Keypad Membrane terminal is a high-performance single- or multiple-range weighing terminal designed for use with analog load cells or high-precision IDNet scale interfaces. The XK3139 Switch Membrane Terminal delivers precision measurement data from milligrams to tons in a single cost-effective package that easily integrates into existing systems.
Power options include an external power supply that converts high-level AC voltage to intrinsically safe DC voltages and is still suitable for installation inside the hazardous area. An external battery for use in mobile applications is also available for use with the harsh/analog model of the XK3139.