Diamond Power Products MM-48-AT user manual Specifications, Autocalibration, General

Page 44

17. SPECIFICATIONS

Analog Inputs

No. of inputs	16 single-ended
A/D resolution	16 bits (1/65,536 of full scale)
Input ranges	Bipolar model:	±10V, ±5V
	Unipolar model:	0-5V
Input bias current	50nA max
Maximum input voltage	±10V for linear operation
Overvoltage protection	±35V on any analog input without damage
Nonlinearity	±3LSB, no missing codes
Max conversion rate	200,000 samples per second aggregate for all channels in use
Conversion trigger	software trigger, internal pacer clock, or external TTL signal

Autocalibration

Circuits calibrated	A/D and D/A
A/D error	±1LSB (typical), ±2LSB (max) after autocalibration
D/A error	±1LSB (typical), ±2LSB (max) after autocalibration

Analog Outputs

No. of outputs	8
D/A resolution	12 bits (1/4096 of full scale)
Output range	0 – 4.095V
Output current	Source: 4mA max; Sink: 0.5-4mA depending on output voltage
Settling time	7∝S max to ±1/2 LSB
Integral nonlinearity	±6	LSB max, D/A code >= 20
Nonlinearity	±1	LSB, monotonic

Digital I/O

No. of lines	4, 3.3V and 5V logic compatible
Input voltage	Logic 0: 0.0V min, 0.8V max; Logic 1: 2.0V min, 5.0V max
Input current	±1∝A max
Output voltage	Logic 0:	0.0V min, 0.50V max; Logic 1: 2.4V min, 3.3V max
Output current	Logic 0:	8mA max; Logic 1: -6mA max

Optocoupler Inputs

No. of lines	4
Input voltage	3-28V DC or AC to turn on

Relay Outputs

No. of relays	8, SPDT (form C); type Omron G6K or equivalent
Capacity	1A / 30VDC (max 60VDC at 0.5A), 0.3A / 125VAC

Counter/Timers

A/D pacer clock	24-bit down counter
Pacer clock source	10MHz or 1MHz on-board clock source
General purpose	16-bit down counter

General

Power supply	+5VDC ±10%
Current consumption	150mA + 30mA per activated relay typical
±15V output current	±10mA max with DACs unloaded; not short-circuit protected
+5V output current	Limited by PC/104 power supply; not short-circuit protected
Operating temperature	-40 to +85oC
Operating humidity	5% to 95% noncondensing
	Diamond-MM-48-AT User Manual V1.01	Page 44

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Contents DIAMOND-MM-48-AT Table of Contents Description DIAMOND-MM-48-AT Board Drawing J3 Analog and Digital I/O Signal Name DefinitionO Header Pinout and PIN Description Optoisolated input contacts Signal Name Definition Relay output contactsJ4 Relays and Optocouplers Board Configuration Base AddressBase Address Jumper Position Hex Decimal Interrupt Level SelectionAnalog Input Range Optocoupler PolarityReserved LSB MSB OverviewBase + Write Function Read Function Register Map Bit Assignments Write operationsDA7 DA6 DA5 DA4 DA3 DA2 DA1 DA0 Read operationsRegister Definitions Base + WriteDefinitions Base + ReadHIGH3 HIGH2 HIGH1 HIGH0 LOW3 LOW2 LOW1 LOW0 AD9 AD8Base + Read/Write A/D Channel Register Base + Read/Write Digital I/O Configuration Register Base + Read/Write Relay Control PortRELAY7 RELAY6 RELAY5 RELAY4 RELAY3 RELAY2 RELAY1 RELAY0 DIR3 DIR2 DIR1 DIR0DIO3 DIO2 DIO1 DIO0 Base + Read Digital I/O Data and Edge StatusDEDGE3 DEDGE2 DEDGE1 DEDGE0 DIO3 DIO2 DIO1 DIO0 OEN3 OEN2 OEN1 OEN0 POL3 POL2 POL1 POL0OEDGE3 OEDGE2 OEDGE1 OEDGE0 OPTO3 OPTO2 OPTO1 OPTO0 Base + Write Channel and Control RegisterDaupdt DACH2 DACH1 DACH0 Base + Write Command Register Dapre Daprld Reset Fiforst AdstartBase + Read Status Register POL ADCH3 ADCH2 ADCH1 ADCH0Base + Write Configuration Register CKSEL1 CKFRQ1 CKFRQ0 Scnint Clken ClkselBase + Read Configuration & Status Register Adbusy Dabusy CKSEL1 CKFRQ1 CKFRQ0 Scnint Clken ClkselBase + Write Fifo Control Register Fifoth Fifoen ScanenBase + Read Fifo Status Register OVF Fifoth Fifoen ScanenBase + Write Interrupt Control Register Clrt Clrd Clro Clra Tinte Dinte Ointe AinteBase + Read Interrupt Status Register Tint Dint Oint Aint Tinte Dinte Ointe AinteBase + Read/Write Counter/Timer D23 Base + Read/Write Counter/Timer D7Base + Read/Write Counter/Timer D15 Ctrno Base + Write Counter/Timer Control RegisterCtrno Latch Gtdis Gten Ctdis Cten Load CLR Base + Read/Write Eeprom / TrimDAC Data Register Base + Read/Write Eeprom / TrimDAC Address RegisterBase + Write Eeprom Access Key Register Base + Write Calibration Control RegisterBase + Read Calibration Status Register Base + Read Fpga Revision CodeAnalog Input Ranges and Resolution ResolutionInput Ranges Single Ended and Differential InputsPerforming AN A/D Conversion Trigger an A/D conversion on the current channel LSB = readbase MSB = readbase+1 Data = MSB * 256 + LSBInput voltage = A/D value / 32768 * Full-scale voltage D SCAN, FIFO, and Interrupt Operation TriggerClken Clksel Conversion or ScanFifo Operation Interrupt OperationFifoen Fifoth Scanen Fifoen =Ainte Fifoen Scanen Guidelines for Selecting Fifo Use Fifoen and FifothOperation Table Analog Output Overview Generating AN Analog Output Autocalibration Operation Reference Voltages12.2 A/D calibration 12.3 D/A CalibrationDigital I/O Operation Procedure for enabling interrupts on selected edges Optocoupler OperationEdge detection assumes OENn = 1 to enable edge detection Polarity and logic readbackRelay Operation Counter 1 Counting/Totalizing Functions COUNTER/TIMER OperationCounter 0 A/D Sample Control Command Sequences CounterCounter Outpbase+15,0x01 Outpbase+15,0x81 General SpecificationsAutocalibration