Diamond-MM-16-AT - Universal Driver Documentation

Table of contents

4 Diamond-MM-16-AT Universal Driver Functions

Analog Input

Max Input Channels: 16 (single-ended) or 8 (differential)
A/D Resolution: 16 bits (1/65536 of full-scale)
Data range: -32768 to +32767 for all voltage ranges
Input Ranges (Bipolar): ±10V, ±5V, ±2.5V, or ±1.25V
Input Ranges (Unipolar): 0-10V, 0-5V, or 0-2.5V
Supported Conversion Triggers: Software, Internal Clock, or External TTL Signal
Maximum Conversion Rate (Software Command): 2,000 (approx.) samples per second
Maximum Conversion Rate (Interrupt Routine w/FIFO): 100,000 samples per second
FIFO: 512 samples with fixed threshold of 256

This board supports the following programmable input ranges and resolutions:

A/D Ranges
Code	Range	ADBU	G1	G0	Input Range	Resolution (1 LSB)
0	0	0	0	0	±5V	153μV
1	0	0	0	1	±2.5V	76μV
2	0	0	1	0	±1.25V	38μV
3	0	0	1	1	Invalid Setting	-
4	0	1	0	0	Invalid Setting	-
5	0	1	0	1	Invalid Setting	-
6	0	1	1	0	Invalid Setting	-
7	0	1	1	1	Invalid Setting	-
8	1	0	0	0	±10V	305μV
9	1	0	0	1	±5V	153μV
10	1	0	1	0	±2.5V	76μV
11	1	0	1	1	±1.25V	38μV
12	1	1	0	0	0 - 10V	153μV
13	1	1	0	1	0 - 5V	76μV
14	1	1	1	0	0 - 2.5V	38μV
15	1	1	1	1	Invalid Setting	-

NOTE: The A/D modes for codes 3 through 7 and 15 are invalid, and the settings for codes 9 through 11 are identical to codes 0 through 2.

Analog Output (model DMM-16-AT only)

Max Output Channels: 4
D/A Resolution: 12 bits (1/4096 of full-scale)
Data range: 0 to 4095 for all voltage ranges
Output Ranges (Bipolar, Fixed): ±5V
Output Ranges (Bipolar, Programmable): ±1V to ±10V
Output Ranges (Unipolar, Fixed): 0-5V
Output Ranges (Unipolar, Programmable): 0-1V to 0-10V

Digital I/O

Max Input Ports: 1 (1 byte or 8 bits), TTL compatible, no readback capability
Max Output Ports: 1 (1 byte or 8 bits), TTL compatible

Digital I/O lines on Diamond-MM-16-AT are fixed direction and do not require configuration prior to use.