LAD 12

Low-cost Analog to Digital converter, 12 bit + sign

LAD 12 English Tech. Manual PDF format.

Ver. 5.10 - Rel.. 26 March 2001.

The LAD 12 is an advantageously high precision and low cost analog digital conversion module of the ABACO® family of industrial circuit boards.

The board is composed of two independent 12-bit double ramp ADC sections giving a total 16 analog inputs with 2.048 V range and conversion time of 80 msec.

Each section converts one of two sets of 8 input lines, carried by two relative standard ABACO® 20-way connectors for analog signals.

An LAD 12 board is the ideal component for all applications where the requirement is for accurate conversion, acquisition of a high number of signals, and low cost.

Among typical applications are those of interfacing with a variety of transducers, and allowing the acquisition of temperatures, by way of appropriate signal conditioning boards APT 100, JKT 07, etc.

Two LEDs mounted to the front can be piloted by software to indicate status or activity.

Two TTL input lines are used advantageously, for example, to effect conversions commanded by a logic level generated from the field.

The option exists of fitting a special front panel in aluminium, 3HE, 4TE. This affords further screening and a secure anchorage by means of two relative screws. Removal is facilitated by the inclusion of a convenient front handle.

• Interface with ABACO® Industrial BUS
• Single Europe size pcb measuring 100x160 mm
• 2 independent 8-line A/D Converter sections giving a total 16 analog inputs
• Conversions effected at a rate of 12.5 per second
• 2 x 12-bit-plus-sign double ramp precision A/D Converter, equivalent to 8192 points over entire input range
• Software-controlled indication of Over-Range and Polarity
• Input impedance higher than 10 MOhm
• Operating range ±2.048 V, with 500 µV resolution; 0±20 mA
• 2 LEDs at front available for control via software
• 2 LEDs at front indicating completion of conversion and relative call for interrupt
• End-of-conversion Interrupt generated separately for each ADC section
• 2 TTL inputs, acquisition via software
• 2 x 20-way standard ABACO® connector for analog signals
• I/O space occupied on ABACO® BUS, only 4 consecutive bytes
• Option of mounting special front panel (3HE, 4TE)
• Operation of module in single or Automatic - and - Continuous conversion mode, selected from software
• Single power supply voltage: +5 Vdc, 150 mA

A C C E S S O R I E S
	FBC 120 Flat BLOCK Contact 1 Connector 20 pins
	FBC 20 Flat BLOCK Contact 2 Connectors 20 pins

Data Sheet LAD 12, Rel. 96.7

GRIFO®
Via dell'Artigiano, 8/6
40016 San Giorgio di Piano
Bologna ITALY

Tel: +39 051 892.052 (4 lines)
FAX: +39 051 893.661

Home INDEX Categorical Index