Diamond-MM-AT
This product is supported for DSCUD 8.0 and above.
Board Initialization
To use the DMM-AT board in an appllication using the UD, the dscInitBoard function should use the board macro DSC_DMM. This is shown in the example below.
Analog Input
Max Input Channels: | 16 (single-ended) or 8 (differential) |
A/D Resolution: | 12 bits (1/4096 of full-scale) |
Data range: | 0 to 4095 for all voltage ranges |
Input Ranges (Bipolar): | ±10V, ±5V, ±2.5V, ±1V, ±0.5V, or Custom |
Input Ranges (Unipolar): | 0-10V, 0-5V, 0-2.5V, 0-1V, or Custom |
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:
Code | Range | ADBU | G1 | G0 | Input Range | Resolution (1 LSB) |
0 | 0 | 0 | 0 | 0 | ±5V | 2.44mV |
1 | 0 | 0 | 0 | 1 | ±2.5V | 1.22mV |
2 | 0 | 0 | 1 | 0 | ±1.25V | 0.61mV |
3 | 0 | 0 | 1 | 1 | ±0.625V | 0.305mV |
4 | 0 | 1 | 0 | 0 | 0 - 10V | 2.44mV |
5 | 0 | 1 | 0 | 1 | 0 - 5V | 1.22mV |
6 | 0 | 1 | 1 | 0 | 0 - 2.5V | 0.61mV |
7 | 0 | 1 | 1 | 1 | 0 - 1.25V | 0.305mV |
8 | 1 | 0 | 0 | 0 | ±10V | 4.88mV |
9 | 1 | 0 | 0 | 1 | ±5V | 2.44mV |
10 | 1 | 0 | 1 | 0 | ±2.5V | 1.22mV |
11 | 1 | 0 | 1 | 1 | ±1.25V | 0.61mV |
12 | 1 | 1 | 0 | 0 | Invalid Setting | - |
13 | 1 | 1 | 0 | 1 | Invalid Setting | - |
14 | 1 | 1 | 1 | 0 | Invalid Setting | - |
15 | 1 | 1 | 1 | 1 | Invalid Setting | - |
NOTE: Ranges 9 through 11 are identical to ranges 0 through 2.
Analog Output
Max Output Channels: | 2 |
D/A Resolution: | 12 bits (1/4096 of full-scale) |
Data range: | 0 to 4095 |
Output Ranges (Fixed): | 0-5V |
Output Ranges (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-AT are fixed direction and do not require configuration prior to use.
Diamond-MM-AT Universal Driver Functions
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