64-Channel External Relay Driver NEW NI PXI-2567, NI SCXI™-1167 • Controls up to 64 single-side stable relays (or 32 2-coil latching relays) • Accepts internal and external power • Up to 50 V • Up to 600 mA per channel • High-power protection circuitry • Hardware or software scanning • 32,000-step scan list for deterministic scanning • Programmable switching delay Applications • High-current relays • RF relays • Small DC motors • Existing embedded relays Operating Systems • Windows 2000/NT/XP Recommended Software • LabVIEW™ • LabWindows™/CVI™ • Measurement Studio • NI Switch Executive Other Compatible Software • Visual Basic • C/C++ Driver Software (included) • NI-SWITCH Overview Automatic Scanning The National Instruments PXI-2567 and SCXI-1167 are designed to be 64-channel, multipurpose relay drive modules, capable of driving many types of external relays. The relay driver is the ideal choice when the current and voltage requirements for relays exceed those found in existing relay modules (or for relays embedded in a test system). High-current, high-voltage, or multipole RF switches all fit into the realm of possibilities. The NI PXI-2567 and NI SCXI-1167 can also drive small DC motors or other inductive relay coils. The PXI-2567 and SCXI-1167 are able to maximize throughput in automated test applications by the use of scanning. Scanning improves throughput by downloading a list of up to 32,000 connections to the switch modules and cycling through the list using an event (trigger) without any interruption from the host processor. Scanning is most efficiently accomplished by mating the PXI-2567 or SCXI-1167 with an instrument, such as the NI PXI-4070 FlexDMM, that issues a trigger after each measurement. Internal and External Power Support Software The PXI-2567 and SCXI-1167 can provide up to 50 V or 600 mA of drive capacity per channel when connected to an external power supply. Without an external power supply, the PXI-2567 can source up to 1.25 A from the 5 V pin or 500 mA from the 12 V pin provided by the PXI backplane. The SCXI-1167 can supply up to 750 mA at 5 V without an external power source. No one channel can drive more than 600 mA with either an internal or external source, and total module current is limited to 25 A of simultaneous drive. All National Instruments PXI and SCXI switch modules are shipped with NI-SWITCH, an IVI-compliant driver offering complete functionality for all switch modules. For additional assistance in configuring, programming, and managing higher-channel-count switching systems, NI Switch Executive software offers an easy-to-use intelligent switch management and visual routing environment. Protection Circuitry The eight banks of eight drivers in the PXI-2567 and SCXI-1167 protect against overvoltage and overcurrent conditions. When the condition clears, the channel is automatically reset so no disassembly of the module is required. A fly-back diode is also included to protect against damage from inductive loads. 64-Channel External Relay Driver Specifications Ordering Information NI PXI-2567 ..................................................................778572-67 NI SCXI-1167 ................................................................776572-67 Includes NI-SWITCH driver software and one mating connector and backshell kit. Input Characteristics Channels........................................................... 64 single-coil nonlatching relay drivers, 32, 2-coil latching relays Max drive voltage ............................................ 50 V Max drive current............................................. 600 mA Maximum current per module.......................... 25 A BUY ONLINE! Internal Drive Power Visit ni.com/info and enter pxi2567 and/or scxi1167. PXI-2567 ........................................................... 5 V, 1.25 A or 12 V, 0.5 A SCXI-1167......................................................... 5 V, 0.75 A Dynamic Characteristics Maximum operating speed .............................. 150 operations/s Physical Dimensions PXI-2567..................................................... 2 x 10 x 16 cm (.8 x 3.9 x 6.4 in.) SCXI-1167 .................................................. 3.0 x 17.2 x 20.3 cm (1.2 x 6.9 x 8.0 in.) I/O connector.................................................... 78 pin D-Sub Environment Operating temperature..................................... Storage temperature ........................................ Relative humidity ............................................. Pollution degree ............................................... Approved at altitudes up to 2,000 m Indoor use only 0 to 55 ˚C -40 to 70 ˚C 5 to 85% noncondensing 2 Safety This product is designed to meet the requirements of the following standards of safety for electrical equipment for measurement, control, and laboratory use: • IEC 61010-1, EN 61010-1 • UL 3111-1, UL 61010B-1 • CAN/CSA C22.2 No. 1010.1 CE Compliance This product meets the essential requirements of applicable European Directives, as amended for CE marking, as follows: Low-Voltage Directive (safety) .................. 73/23/EEC Electromagnetic Compatibility Directive (EMC) ................................... 89/336/EEC 2 National Instruments • Tel: (800) 433-3488 • Fax: (512) 683-9300 • [email protected] • ni.com Global Services and Support NI has the services and support to meet your needs around the globe and through the application life cycle – from planning and development through deployment and ongoing maintenance – and tailored for customer requirements in research, design, validation, and manufacturing. 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