National Instruments Relay Module SCC-RLY01 User Manual

Relay module
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USER GUIDE

SCC-RLY01 Relay Module
Conventions
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The SCC-RLY01 contains one single-pole double-throw (SPDT)
nonlatching relay capable of switching 5 A at 30 VDC when using an
SC-2345 or SC-2350, or 250 VAC when using an SCC-68. Any single
E/M Series DAQ device digital input/output (P0) line 0 to 7 can control the
SCC-RLY01.
The SCC-RLY01 uses positive logic. A digital high sets the relay, and
a digital low resets it. In the set state, the common (COM) contact is
connected to the normally open (NO) contact. In the reset state, the
common (COM) contact is connected to the normally closed (NC) contact.
The following conventions are used in this guide:
Angle brackets that contain numbers separated by an ellipsis represent
a range of values associated with a bit or signal name—for example,
P0 <3..0>.
The » symbol leads you through nested menu items and dialog box options
to a final action. The sequence File»Page Setup»Options directs you to
pull down the File menu, select the Page Setup item, and select Options
from the last dialog box.
This icon denotes a note, which alerts you to important information.
This icon denotes a caution, which advises you of precautions to take to
avoid injury, data loss, or a system crash. When this symbol is marked on
the product, refer to the Read Me First: Safety and Radio-Frequency
Interference document, shipped with the product, for precautions to take.
When symbol is marked on a product, it denotes a warning advising you to
take precautions to avoid electrical shock.
When symbol is marked on a product, it denotes a component that may be
hot. Touching this component may result in bodily injury.

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Summary of Contents for National Instruments Relay Module SCC-RLY01

  • Page 1: User Guide

    USER GUIDE SCC-RLY01 Relay Module The SCC-RLY01 contains one single-pole double-throw (SPDT) nonlatching relay capable of switching 5 A at 30 VDC when using an SC-2345 or SC-2350, or 250 VAC when using an SCC-68. Any single E/M Series DAQ device digital input/output (P0) line 0 to 7 can control the SCC-RLY01.
  • Page 2: What You Need To Get Started

    bold Bold text denotes items that you must select or click in the software, such as menu items and dialog box options. Bold text also denotes parameter names. italic Italic text denotes variables, emphasis, a cross-reference, or an introduction to a key concept. Italic text also denotes text that is a placeholder for a word or value that you must supply.
  • Page 3: Device Specific Information

    DIO socket, J(X+9) on the SC-2345 or SCC Mod (X + 1) on the SCC-68, where you plug in the SCC-RLY01. Figure 1 shows a circuit diagram of the SCC-RLY01. © National Instruments Corporation – Documentation for your hardware –...
  • Page 4: Specifications

    When connecting signals >60 VDC to the SCC-RLY01 module in the SCC-68, Caution you must use the high-voltage backshell. Figure 2 shows the high-voltage backshell. For information about how to configure the SCC-RLY01 module with NI-DAQmx, refer to the SCC Quick Start Guide. Specifications These ratings are typical at 25 °C unless otherwise stated.
  • Page 5: Power Requirement

    +5 V... 60 mA max Physical Weight ... 37 g (1.3 oz) Excluding contact bounce time © National Instruments Corporation Operate time (NC to NO)... 5 ms (10 ms max) Release time (NO to NC)... 4 ms (5 ms max) 1.87 cm (0.74 in.)
  • Page 6: Isolation Voltage

    I/O connectors...One 20-pin right-angle Field-wiring diameter ...28 to 16 AWG Maximum Working Voltage Maximum working voltage refers to the signal voltage plus the common-mode voltage. When used with an SCC-2345 Do not use for connection to signals in Measurement Category II, III, or IV. Caution Do not connect to MAINS.
  • Page 7: Electromagnetic Compatibility

    DoC for this product, visit number or product line, and click the appropriate link in the Certification column. © National Instruments Corporation IEC 61010-1, EN 61010-1 UL 61010-1, CSA 61010-1 EN 61326 (IEC 61326): Class A emissions; Basic immunity...
  • Page 8: Environmental Management

    Waste Electrical and Electronic Equipment (WEEE) At the end of the life cycle, all products must be sent to a WEEE recycling EU Customers center. For more information about WEEE recycling centers and National Instruments WEEE initiatives, visit National Instruments...
  • Page 9 Table 1 lists the signal connection corresponding to each pin. GND is the reference for the +5 V supply. National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation. Refer to the Terms of Use section on ni.com/legal for more information about National Instruments trademarks.

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