VMIVME-1150 64-bit Optically Coupled Digital Input Board • 64 optically coupled digital inputs • 5 V to 48 VDC input range • High isolation, 1,000 V sustained, 7,500 V pulsed • Filtered input options • Dual I/O connectors • Contact closure sensing • Voltage sourcing or current sinking input options • Positive or negative true input options • Double Eurocard form factor with front panel • 8- or 16-bit data transfers • Nonprivileged or supervisory I/O access • High reliability DIN-compatible input connectors FUNCTIONAL CHARACTERISTICS Board Function: This 64-bit optically coupled, digital input board, was designed and optimized specifically for the VMEbus. Featuring high isolation, the VMIVME-1150 provides a flexible, low-cost 8-byte digital input port with high noise immunity. The INPUT CHARACTERISTICS Functional Block Diagram is shown in Figure 1. Signal Conditioning: Inputs can be either voltage Compatibility: The VMIVME-1150 is a standard, sourcing or current sinking, with voltages accepted in the double height printed circuit board that is electrically and range from 5 to 48 V. mechanically compatible with the VMEbus. Input Voltage Options: Input voltage can be ordered Input Organization: Eight input ports, each eight bits as 5, 12, 24, or 48 V. Typical input circuit configurations wide. The ports are arranged as eight contiguous 8-bit, are illustrated in Figure 2. Detailed specifications are read-only registers. provided in Tables 1 through 4. Addressing Scheme: Each 8-bit port, individually addressable on 8- or 16-bit boundaries anywhere within Ordering Options the short supervisory or short nonprivileged I/O space. June 7, 1999 800-001150-000 E ABC – D E F Board Address: The board address is selected by VMIVME-1150 – – on-board DIP switches. Operation is supported in any available slot on the VMEbus backplane, except slot 1. A = Data Polarity and Input Type 1 = Positive True, Voltage Source + Logic Input* 2 = Negative True, Voltage Source + Logic Input* VMEbus Access: Address modifier bits are decoded 3 = Positive True, Contact Sense to support either short supervisory or nonprivileged short 4 = Negative True, Contact Sense I/O access. A single jumper is provided to support this B = Input Voltage option. This board is factory configured for short 0 = 5 V 1 = 12 V supervisory I/O access. 2 = 24 V 3 = 48 V VMEbus Reply: A DTACK reply is generated in 4 = 5 V High Input Current response to a data strobe (DS0 or DS1) and a decoded C = Filter Option board address. 0 = No Filter 1 = 2 µs Filter Data Transfer Type: D8, D16 2 = 10 µs Filter 3 = 5 ms Filter Access Time: 250 ns maximum * Logic input is not directly TTL compatible. Data Polarity: Order as positive or negative true. This Connector Data is based upon the assertion of the inputs to this board. To Compatible Cable Connector Panduit No. 120-964-435 assert an input, current must flow through the LED in the Strain Relief Panduit No. 100-000-072 PC Board Header Connector Panduit No. 120-964-033A optocoupler. For a positive true board, this current will Note present a logical one to the VMEbus. If the board is Panduit is also known as ITW/Pancon. ordered with negative true logic, then the board will For Ordering Information, Call: present a logical zero to the VMEbus when the LED has 1-800-322-3616 or 1-256-880-0444 • FAX (256) 882-0859 current flowing through it. E-mail: info@vmic.com Web Address: www.vmic.com Copyright © December 1988 by VMIC Specifications subject to change without notice. VMIC • 12090 South Memorial Parkway ¥ Huntsville, Alabama 35803-3308 1 VMIVME-1150 Input Configurations: Power Requirements: +5 VDC at 1.1 A (typical), Voltage source 2.2 A (maximum) Voltage-source contact sense MTBF: 139,706 hours (217F) Logic-level input RELATED PRODUCTS AND APPLICATIONS — Filter Options: Input filtering for all 64 inputs is VMIC offers a broad range of digital I/O products for available, with standard time constants of 2 ms, 10 ms, or VMEbus systems, and supports these products with 5 ms. comprehensive applications information. Contact the factory Isolation: 10 MW, minimum for a description of current products and a list of application guides. Isolation Voltage: 1,000 V maximum sustained voltage; 7,500 V for one second. SPECIFYING INPUT CONFIGURATIONS — To accommodate the variety of digital input requirements PHYSICAL/ENVIRONMENTAL encountered in VMEbus applications, the VMIVME-1150 inputs can be configured for specific signal sources and time Dimensions: Standard VME double height Eurocard delays. (160 x 233.5 mm) Input Connectors: Two 64-pin DIN connectors TRADEMARKS Temperature: 0 to +55 °C, operating The VMIC logo is a registered trademark of VMIC. -40 to +85 °C, storage Other registered trademarks are the property of their respective owners. Humidity: 20 to 80 percent, noncondensing EXTERNAL VOLTAGE +5 VDC POWER GND 1 AS ADDRESS VMEbus 14 DECODE CONTROL 1 WRITE V 1 DTBS 16 2 M DATA INPUT 16-bit A01 AND A02 E CONTROL ADDRESSING b 3 u R0 TO R3 s 16 16 64 64 INPUT OPTICAL VMEbus REGISTERS ISOLATORS DATA 64 OPTICALLY ISOLATED INPUT CHANNELS 8- OR 16-bit TRANSFERS Figure 1. VMIVME-1150 Functional Block Diagram 2 For Ordering Information, Call: 1-800-322-3616 or 1-256-880-0444 ¥ FAX (256) 882-0859 VMIVME-1150 USER-SUPPLIED EXTERNAL VOLTAGE - + C31 C30 VMEbus P2 +5 V J2 J1 VCC VNEG VPOS IDXXH R R P Ja CS DATA HIGH Jb DATXX CONDUCTOR R USER VS R INPUT TH SIGNAL DATA LOW CONDUCTOR IDXXL OPTOISOLATOR TYPICAL INPUT CHANNEL 1 OF 64 Figure 2. User Input Connection Circuit VMIC ¥ 12090 South Memorial Parkway ¥ Huntsville, Alabama 35803-3308 3 VMIVME-1150 USER-SUPPLIED EXTERNAL VOLTAGE - + V EXT C31 C30 5 V VMEbus P2 V - V + EXT EXT OPTOISOLATOR R 1 R 2 USER DEVICE a. TYPICAL CONTACT SENSE OPTO INPUT 5 V R OPTOISOLATOR 1 VIH USER INPUT R 2 SIGNAL VIL b. TYPICAL VOLTAGE SOURCE OPTO INPUT Figure 3. Typical VMIVME-1150 OPTO Input Configurations (5 to 50 V Inputs) 4 For Ordering Information, Call: 1-800-322-3616 or 1-256-880-0444 ¥ FAX (256) 882-0859 VMIVME-1150 Table 1. 5 V Option PARAMETER CONDITION MIN TYP MAX UNIT V V -HIGH THRESHOLD VOLTAGE 3.6 2.6 INH V -LOW THRESHOLD VOLTAGE 2.6 1.8 V INL I -HIGH THRESHOLD VOLTAGE VIN = 5 VDC 3.1 mA INH I -LOW THRESHOLD VOLTAGE VIN = V 0.7 mA INL INL (MIN) Typical turn-on current is 1.43 mA at VIN = 2.6 V. Absolute maximum input voltage is –12 VDC. Table 2. 12 V Option PARAMETER CONDITION MIN TYP MAX UNIT V -HIGH THRESHOLD VOLTAGE V 9.2 5.9 INH V -LOW THRESHOLD VOLTAGE 2.6 3.4 V INL I -HIGH THRESHOLD VOLTAGE VIN = 12 VDC 3.4 mA INH I -LOW THRESHOLD VOLTAGE VIN = V 0.7 mA INL INL (MIN) Typical turn-on current is 1.43 mA at VIN = 5.9 V. Absolute maximum input voltage is –22 VDC. Table 3. 24 V Option PARAMETER CONDITION MIN TYP MAX UNIT V V -HIGH THRESHOLD VOLTAGE 21.3 12.9 INH V -LOW THRESHOLD VOLTAGE 12.9 6.9 V INL VIN = 24 VDC I -HIGH THRESHOLD VOLTAGE 2.9 mA INH I -LOW THRESHOLD VOLTAGE VIN = V 0.7 mA INL INL (MIN) Typical turn-on current is 1.43 mA at VIN = 12.9 V. Absolute maximum input voltage is –34 VDC. VMIC ¥ 12090 South Memorial Parkway ¥ Huntsville, Alabama 35803-3308 5 VMIVME-1150 Table 4. 48 V Option PARAMETER CONDITION MIN TYP MAX UNIT V V -HIGH THRESHOLD VOLTAGE 43.2 27.0 INH 13.9 V -LOW THRESHOLD VOLTAGE 27.0 V INL I -HIGH THRESHOLD VOLTAGE 2.7 mA VIN = 12 VDC INH I -LOW THRESHOLD VOLTAGE VIN = V 0.7 mA INL INL (MIN) Typical turn-on current is 1.43 mA at VIN = 27.0 V. Absolute maximum input is –50 VDC. Table 5. Logic Input Option PARAMETER CONDITION MIN TYP MAX UNIT V V -HIGH THRESHOLD VOLTAGE 1.7 1.5 INH 1.3 V -LOW THRESHOLD VOLTAGE 1.5 V INL I -HIGH THRESHOLD VOLTAGE 19.0 mA VIN = 5 VDC INH I -LOW THRESHOLD VOLTAGE VIN = V 0.7 mA INL INL (MIN) Typical turn-on current is 1.43 mA at VIN = 1.5 V. Absolute maximum input is –6 VDC. 6 For Ordering Information, Call: 1-800-322-3616 or 1-256-880-0444 ¥ FAX (256) 882-0859