VMIVME-4120 16-Channel D/A Current or Voltage Output Board • 16 analog output channels • Jumper-selectable voltage or current outputs • Current transmitter ranges (0 to 20 mA, 4 to 20 mA, and 5 to 25 mA) • Output voltage ranges (0 to +5 V, 0 to +10 V, ±2.5 V, ±5 V, ±10 V) • 12-bit resolution • Front panel outputs (P3) • On-board DC-to-DC converter or external power supply option • Optional voltage-only outputs • Complies with VMEbus speciŢcation — ANSI/IEEE STD 1014-1987 — IEC 821 and 297 APPLICATIONS • Industrial process control • Current source reference for data acquisition • Programmable current source for test equipment • Automated manufacturing • GE-Fanuc 90-70 series PLC voltage outputs disconnected from the output connector INTRODUCTION — The VMIVME-4120 Analog (P3). Current outputs are set to the lowest value of the Output Board provides 16 high-quality analog output output range selected. For example, if 4 to 20 mA is the channels. These channels are jumper-selectable for voltage output range selected, then power up or system reset will outputs, current loop outputs, or a combination of voltage set the current output to 4 mA. and current loop outputs. Each output range is also jumper-selectable. A block diagram of the board is shown Front Panel Fail LED: If an error condition occurs in Figure 1. during diagnostics, a software-controlled LED may be illuminated to visually indicate a failure. The LED is FUNCTIONAL CHARACTERISTICS illuminated by system reset at power up and is (Typical at +25 °C and rated power supplies unless otherwise stated.) extinguished upon successful diagnostic execution. Compliance: This product complies with VMEbus VOLTAGE ANALOG OUTPUTS speciŢcation ANSI/IEEE STD 1014-1987 IEC 821 and 297, with the following mnemonics: Number of Output Channels: Sixteen, one A16: D16, D08 (EO): 29, 2D Sample-and-Hold per channel Board Address: The physical address for the board may be selected by on-board jumpers. VMEbus address lines A06 through A15 are decoded for board selection. VMEbus Access: Address modiŢer bits are jumper-selected and decoded to support nonprivileged Ordering Options short I/O or supervisory short I/O. The board is factory Oct. 28, 1994 800-004120-000 B ABC – D E F conŢgured for supervisory short I/O. VMIVME-4120 –0– A = +15 V Power Option Output Data Transfer: Data for each analog output 0 = On-Board DC-to-DC Converter channel is written directly into an on-board RAM 1 = User-Supplied ±15 V Power (via VMEbus P2 Connector) B = Output Option location dedicated to a speciŢc channel. The data is then 0 = Current or Voltage Output periodically retrieved from the RAM, and converted to 1 = Voltage Only Output C = 0 (Option reserved for future use) an analog voltage which is then transferred to one of 16 P3 Connector Data output sample-and-hold output buffers. Compatible Cable Connector Panduit No. 120-332-435E Strain Relief Panduit No. 100-000-042 Memory Test: This product is designed with dual-port PC Board Header Connector Panduit No. 120-332-033A on-board memory that may be tested by executing a For Ordering Information, Call: 1-800-322-3616 or 1-256-880-0444 • FAX (256) 882-0859 memory diagnostic for operational veriŢcation. E-mail: info@vmic.com Web Address: www.vmic.com Copyright © June 1989 by VMIC Specifications subject to change without notice. System Reset: Application of the system reset signal via the VMEbus initializes the board into a state with all VMIC ¥ 12090 South Memorial Parkway ¥ Huntsville, Alabama 35803-3308 1 VMIVME-4120 Full-Scale Analog Output Initial Span Error: 0.05 percent of span (Jumper-Selectable): Span Error Versus Temperature: 0.0025 percent of Unipolar: 0 to +10 V Bipolar: ±2.5 V span/°C 0 to + 5 V ±5.0 V ±10.0 V Maximum Settling Time to 1 LSB: 1.7 ms Analog Output Code: The 12-bit Digital-to-Analog Load Resistance: 600 W maximum at 20 mA Converter (DAC) accepts digital codes in straight 480 W maximum at 25 mA binary and offset binary Reset: Current outputs are set to the lowest value of the Output Load Current: 5 mA, maximum at full output range selected accuracy Resolution: 12 bits PHYSICAL/ENVIRONMENTAL Output Impedance: 0.33 WTemperature: Operating: 0 to 55 °C (Standard VME slot) Total Error: ±0.05 percent of full-scale range 0 to 65 °C (1.6-in slot) Storage: -40 to +85 °C Maximum Settling Time to 1 LSB: 1.7 ms Humidity: 5 to 95 percent relative, noncondensing Refresh Update Rate: 588 Hz (default); 1,600 Hz (FAST REFRESH). The FAST REFRESH rate Altitude: Operation to 10,000 ft provides a Ţltered output for complex functions; whereas, the 588 Hz rate provides settling to Cooling: Forced air convection (Standard VME slot) 0.01 percent for stepped outputs at each update. The Convection (1.6-in. slot) 1,600 Hz rate provides settling to 0.2 dB (2.3 percent). Both rates provide settling to 0.01 percent in 1.7 ms. Dimensions: Double height Eurocard (6U) 160 x 233.35 mm Output Short Circuit Protection: IndeŢnite short to common; momentary short to ±25 V Output Connector: P3 (32-pin DIN) front panel connector (refer to the connector data in the Ordering Monotonicity: Monotonic over the full temperature Options) range Power Requirements: 2.5 A (typical) at +5 VDC Reset: All outputs are disconnected from the output 4.0 A (maximum) connector at power up or reset Option-100: 670 mA (maximum) at +15 VDC CURRENT ANALOG OUTPUTS 330 mA (maximum) at –15 VDC Number of Output Channels: Sixteen TRADEMARKS Output Ranges (Jumper-Selectable): 4 to The VMIC logo is a registered trademark of VMIC. 20 mA, 0 to 20 mA, 5 to 25 mA (4 to 12 mA, 0 to Other registered trademarks are the property of their 10 mA, and 5 to 15 mA also available) respective owners. Nonlinearity: 0.01 percent of span Initial Offset Error: 7 µA Offset Versus Temperature: 0.0005 percent of span/°C 2 For Ordering Information, Call: 1-800-322-3616 or 1-256-880-0444 ¥ FAX (256) 882-0859 VMIVME-4120 VMEbus CONN. P1 ADDRESS SELECTION Fail CONTROL LED LOGIC ADDRESS VMEbus FRONT PANEL ADDRESS RAM MODIFIERS P3 MODIFIER REFRESH AND ADDRESS ADDRESS DECODER V 0 BUS I 0 OUTPUT VI S&H 0 SWITCH VMEbus DATA DATA DATA BUS 12-bit DEMULTI- V STORAGE 0 TRANS- PLEXER DAC RAM BUS CEIVER I OUTPUT 0 S&H I V 15 SWITCH CONTROL BUFFERS –15 V DC-TO-DC +5 V–15 V CON- VERTERS P2 EXT –15 V Figure 1. VMIVME-4120 Functional Block Diagram APPLICATION AND CONFIGURATION GUIDES — The following Application and ConŢguration Guides are available from VMIC to assist the user in the selection, speciŢcation, and implementation of 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 ConŢguration Guide 825-000000-004 Analog I/O Products (with Built-in-Test) ConŢguration Guide 825-000000-005 Connector and I/O Cable Application Guide 825-000000-006 VMIC ¥ 12090 South Memorial Parkway ¥ Huntsville, Alabama 35803-3308 3