VMIC VME-3111

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Details

Part Number VME-3111
Manufacturer VMIC
Category Analog I/O
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Description

VMIC VME-3111 48 Analog-to-Digital Inputs | 2-Channel Digital-to-Analog Output Board

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Features

  • 12-bit Resolution
  • 32-Channel SE/16 Differential P2 Connector Inputs
  • 33 msec Conversion Time at Gain = x1 (Multiplexer Acquisition + A/D Conversion Time)
  • A/D Data Coding Selectable as Either Binary, Offset Binary, or Two's Complement Format
  • Allows Acquisition of Low-Level Input Signals: ±20 mV FSR to ±10 V FSR
  • Analog Pipeline Mode (58 kHz Throughput at Gain = x1)
  • Barrier Terminal Strips Available
  • Compatible with VMIC Signal Conditioning Subsystems
  • Compatible with VMIC's Family of Intelligent I/O Controllers (VMIVME-90XX Series)
  • External Start Convert Capability
  • Fail-Safe with Power Off
  • Front Panel Inputs, 16-Channel, Single-Ended 3V/5V Compatible (Optional)
  • Front Panel with Fail LED
  • Full-Scale Input Range Options: 0 to +5 V, 0 to +10 V, ±2.5 V, ±5 V, ±10 V
  • Optional Autozero and Autogain Calibration
  • Optional Current Loop Termination Resistors Available for All Inputs
  • Optional Low Pass Filters on All Inputs
  • Optional On-Board Self-Test Voltage Standard
  • Overvoltage Protected Inputs
  • Programmable End-of-Conversion Interrupts
  • Software Real-Time Programmable Gain 1, 10, 100, 500
  • Supported by VMIVME/SW-9390 Universal I/O Driver (UIOD)
  • System Error ±1 LSB
  • Two Analog Outputs (12-bit) on P2 Connector Can Be Tested Off-Line

Datasheet

Download "VMIC_VME-3111_A-D_D-A_Converter_Board_datasheet1-539811001.pdf" (47 KiB)

Extracted Text

VMIVME-3111 48 Analog-to-Digital Inputs 2-Channel Digital-to-Analog Output Boards • 32-channel SE/16 differential P2 connector inputs • Front panel inputs, 16-channel, single-ended — compatible with VMIC’s 3V/5V signal conditioning assemblies. This feature allows the VMIVME-3111 board to digitize the following input signals: low-level voltage, AC voltage, thermocouple, RTD, current, frequency, strain gauge, LVDT, and high-level voltage • Two analog outputs (12-bit) on P2 connector • 12-bit resolution • 27 ms conversion time at gain = x1 (multiplexer acquisition + A/D conversion time) — analog pipeline mode (53 kHz throughput at gain = x1) • Overvoltage protected inputs • Fail safe with power off • Software real-time programmable gain x1, x10, x100, x500 • Optional low pass filters on all inputs • Optional current loop termination resistors available for all inputs • Allows acquisition of low-level input signals: –20 mV FSR to –10 V FSR • Full-scale input range options: 0 to 5 V, 0 to +10 V, – 2.5 V, – 5 V, –10 V • A/D data coding program — selectable as either binary, offset binary, or two’s complement format • Programmable end-of-conversion interrupts • External start convert capability • Optional autozero and autogain calibration • Loopback test mode for Built-in-Test of all active components • Analog Outputs: To enable the user to close system Double Eurocard form factor with front panel and fail LED servo loops, analog outputs are available as two FUNCTIONAL CHARACTERISTICS independent, 12-bit channels. The outputs are multirange and are capable of supplying 10 mA at –10 Compliance: VMEbus specification Rev. C. 1 V. Both outputs can be monitored through the ADC for A16:D16:D08 (EO): 29, 2D: Slave Built-in-Test of all active components. Both analog Interrupter I(1) to I(7) ROAK (DYN):D08 (O)(DYN) outputs are disconnected from the P2 connector at power 6U form factor up. This allows the user to initialize the Board Address: The address for the board is selected Digital-to-Analog Converters (DACs) to the proper by on-board jumpers. This board can be plugged into voltage before enabling the outputs through the Control any available slot (except slot 1) in the backplane. Register. Address Modifier Codes: Jumper-selectable for short supervisory or short nonprivileged I/O access. Ordering Options December 5, 1993 800-003111-000 D Factory configured for short supervisory I/O access. ABC – D E F VMIVME-3111 – – VMEbus Reply: DTACK is generated from data A = Input Options strobes (DS0 or DS1) and the board address 0 = 32 Single-Ended or 16 Differential Inputs (P2 Connector) with No Front Panel Connector (P3) Data Conversion: Conversion may be initiated by 1 = Same as Above with Additional 16 Single-Ended Inputs Through Front Panel (P3) Connector. Connector Is program control or upon receipt of an externally 3V/5V Series Signal Conditioning Compatible. * generated pulse. Mode selection control is available to B = Filter Options (3 dB Attenuation) enable or disable the external trigger feature. Data 0 = No Filter or Terminators 1 = 6 Hz (3 dB Attenuation) conversion completion is determined by polling an 2 = 9 Hz (3 dB Attenuation) end-of-conversion bit in the Control and Status Register 3 = 36 Hz (3 dB Attenuation) 4 = Current Loop Terminator (250 W) (CSR) or by an interrupt to the processor. C = Autocal, Built-in-Test, and Analog Output Options 0 = No Autocal, No Auto Zero, No Built-in-Test, and No Analog Mode Selection: Operational modes of the board are Outputs selected by writing to the CSR with appropriate data bits 1 = Autocal, Auto Zero, Built-in-Test, and Two 12-bit D/A Analog Outputs set. * Call VMIC for further information concerning the 3V/5V Series signal conditioning assemblies. Analog Inputs: This product is designed to accept 32 Connector Data single-ended or 16 differential inputs through the user Connecting P2 (Panduit) P3 (3M I/O pins on the VMEbus P2 connector and 16 Scotchflex) Component single-ended inputs through the front panel P3 Compatible Mating Connector No. 120-964-455E 3399-6600 connector, giving a possible total of 48 input channels. Strain Relief No. 100-000-032 3448-3026 PC Board Header Connector Header Connector is on 3429-5002 The P3 connector is directly compatible with the Backplane VMIVME-3V and VMIVME-5V signal conditioning For Ordering Information, Call: assemblies. All inputs are available with optional low 1-800-322-3616 or 1-256-880-0444 • FAX (256) 882-0859 E-mail: info@vmic.com Web Address: www.vmic.com pass filters or with optional 250 W current loop Copyright © February 1987 by VMIC termination resistors. Specifications subject to change without notice. VMIC • 12090 South Memorial Parkway • Huntsville, Alabama 35803-3308 1 VMIVME-3111 Input Impedance: 10 MW (minimum) A 16-bit word location is reserved for each output channel. Data is transferred to each channel as a 12-bit, Input Zero Offset: Autocalibratable to ±50 mV (x500 right-justified (D11 to D00) word. gain) Autocalibration: Optional autocalibration provides Overvoltage Protection: ±40 V on-board adjustment of analog input zero and gain. Optional Single-Pole Filters: -3 dB at 6 Hz, 9 Hz, Correction values are accepted as 12-bit, right-justified ** 36 Hz data in two 16-bit locations. Analog Outputs: Self-Test Standards: Three precision on-board Resolution: 12 bits reference voltages (zero and ± full scale) are available for Built-in-Test and autocalibration. These voltages Analog Ranges: Jumper-selectable as 0 to +5 V, 0 to are routed via the analog configuration multiplexer for +10 V, ±2.5 V, ±5 V, ±10 V maximum accuracy. Monotonicity: Monotonic over full temperature range Converter Code: A jumper is provided for user Accuracy: ±0.03 percent selection of straight binary for unipolar inputs and offset binary and two’s complement for bipolar inputs. Settling Time: 25 ms, to 0.01 percent Data Transfer Type: D8, D16 Output Current: ±10 mA over full output range * ELECTRICAL CHARACTERISTICS Source Impedance: 0.2 W (maximum) Analog Inputs: Off-Line Leakage: 200 nA (maximum) Resolution: 12 bits Protection: Sustained shorts to ground; transients to Analog Ranges: Jumper-selectable as 0 to +5 V, 0 to ±40 V +10 V, ±2.5 V, ±5 V, and ±10 V Power Requirements: +5 V at 2.5 A (maximum) Gain: Program-selectable as x1, x10, x100, and x500 PHYSICAL/ENVIRONMENTAL A/D Conversion Time: 19 ms (sum of sample and conversion times) Dimensions: Standard VME double width board 160 x 233.5 mm Acquisition Time: Gain Input Settling VMEbus Connector: Two 96-pin DIN connectors x1 8 ms (P1 and P2) x10 20 ms Temperature: 0 to +55 °C, operating x100 50 ms -20 to +85 °C, storage x500 120 ms Humidity: 20 to 80 percent relative, noncondensing Throughput: 53 kHz (maximum) in pipelined mode SYSTEM THROUGHPUT — For sequentially Monotonicity: Monotonic over full temperature range switched multiplexer channels, each channel will be Common-Mode Range: ±[12.5 V - range/2] sampled at a rate of: (e.g., ±7.5 V on 10 V range) F = 1 samples per second, where S Common-Mode Rejection: 100 dB N(T1 + T2) Accuracy: N is the number of channels, Gain Percent FSR T1 is the multiplexer acquisition time, x1–0.03 T2 is the total A/D conversion time, which is the x10–0.08 sum of instrument amplifier settling time, the x100–0.13 sample-and-hold transient settling time, and x500–0.50 the A/D conversion time. ** Contact VMIC for special filter requirements. * Typical at 25 ˚C, unless specified otherwise. 2 For Ordering Information, Call: 1-800-322-3616 or 1-256-880-0444 • FAX (256) 882-0859 VMIVME-3111 For example, the throughput rate of 16 differential P2 cable connects the signal conditioning backplane to the inputs would be: front panel of the VMIVME-3111 ADC board. F = 1 = 2.315 kHz samples of each The 3V/5V series signal conditioning subsystem, in S conjunction with the VMIVME-3111 ADC board, provides 16 (8 ms + 19 ms) channel per second with a a complete solution enabling almost any type of sensor data gain of x1. to be available to the VMEbus. The following input INTERFACING TO VMIC’S 3V/5V SERIES modules are available: low level (mV), AC, thermocouple, SIGNAL CONDITIONERS — The 3V/5V series modular RTD, current, frequency, strain gage, LVDT, and high-level signal conditioners convert a wide variety of low-level (V) inputs. voltages, thermocouples, RTDs, etc., to high-level voltages. In addition, many of the modules provide up to TRADEMARKS –1,500 VRMS continuous isolation. Up to 16 of these The VMIC logo is a registered trademark of VMIC. modules may be installed in a signal conditioning backplane Other registered trademarks are the property of their with an optional 19-inch rack mount kit. The high-level respective owners. outputs are routed to a 26-pin connector, from which a ribbon APPLICATION AND CONFIGURATION GUIDES — The following Application and Configuration Guides are available to assist the user in configuring systems based on VMIC’s products. Title Document No. Digital Input Board Application Guide 825-000000-000 Change-of-State Board Application Guide 825-000000-002 Digital I/O (with Built-in-Test) Product Line Description 825-000000-003 Synchro/Resolver (Built-in-Test) Subsystem Configuration Guide 825-000000-004 Connector and I/O Cable Application Guide 825-000000-006 VMIC • 12090 South Memorial Parkway • Huntsville, Alabama 35803-3308 3 VMIVME-3111 – FULL-SCALE REF VOLTAGE AUTO CAL REFERENCE GAIN I/O CONN. STDS P2 LOW PASS ZERO FILTERS P2 OR CURRENT INPUT T&H 12-bit 12 DIFF PAIRS LOOP MULTIPLEXER PGA 16 DIFF AMP ADC RESISTORS HIGH/LOW SE PAIRS DIFF ANALOG 4 DIFF GAIN TRACK CONV CONV INPUTS PAIRS PSEUDO- CMD COMPL (32) DIFF RTN LOW 1 PAIR SELF-TEST MULTIPLEXER ANALOG 12 CONFIG ADC TIMING CONTROL I/O CONN LOW PASS SETTLING FILTERS P3 DELAY OR CURRENT P3 INPUT LOOP HIGH 15 MULTIPLEXER RESISTORS ANALOG 16 SE INPUTS (16) GND SENSE LOW 2 ANALOG CONTROL LOGIC PIN-COMPATIBLE WITH 3V AND BUS INTERRUPT 5V I/O CABLES ADC DATA LOGIC VME VMEbus INTERFACE OUTPUT MONITOR CONN. LOGIC I/O CONN. P1 2 (FEEDBACK) P2 DUAL 12-bit ANALOG D/A CONVERTER 2 ANALOG BUFFERS OUTPUTS AND SWITCHES (2) 2 VME 10 mA CONTROL ON-LINE/OFF-LINE BUS +5 V POWER–15 V CONVERTER Figure 1. VMIVME-3111 Functional Block Diagram 4 For Ordering Information, Call: 1-800-322-3616 or 1-256-880-0444 • FAX (256) 882-0859

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