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SCC-RLY01 Relay Module User Guide
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1. 0 300 VDC Measurement Category II UN Caution Do not use for connection to signals in Measurement Category III or IV Isolation Voltage Channel to channel channel to earth isolation CONTINUOUS senian eenn 60 VDC Measurement Category I Witbstand ssisocoiescicisciiiiei 2300 Vms verified by a 5 s dielectric withstand type test Environmental Operating temperature 0 ee 0 to 50 C Storage temperature ee eee 20 to 65 C Humidity sesen 10 to 90 RH noncondensing Maximum altitude 2 000 m Pollution Degree indoor use only 2 For voltages gt 60 VDC you must use the high voltage backshell SCC RLYO1 Relay Module User Guide 6 ni com Safety This product meets the requirements of the following standards of safety for electrical equipment for measurement control and laboratory use IEC 61010 1 EN 61010 1 UL 61010 1 CSA 61010 1 3 Note For UL and other safety certifications refer to the product label or the Online Product Certification section Electromagnetic Compatibility This product meets the requirements of the following EMC standards for electrical equipment for measurement control and laboratory use EN 61326 IEC 61326 Class A emissions Basic immunity EN 55011 CISPR 11 Group 1 Class A emissions AS NZS CISPR 11 Group 1 Class A emissions FCC 47 CFR Part 15B Class A emissions ICES 001 Class A emissions 3 Note For the standards applied to assess the EMC of this pro
2. 3 Note The signal names have changed Refer to ni com info and enter rdtntg to confirm the signal names Each screw terminal is labeled by pin number lt 1 3 gt Pin 1 is the NC terminal pin 2 is the COM terminal and pin 3 is the NO terminal The SCC RLYO1 contains one SPDT relay controlled by the digital line of an E M Series DAQ device PO line X The value of X is determined by the number of the DIO socket J X 9 on the SC 2345 or SCC Mod X 1 on the SCC 68 where you plug in the SCC RLYO1 Figure 1 shows a circuit diagram of the SCC RLYO1 National Instruments Corporation 3 SCC RLYO1 Relay Module User Guide E M Series SCC RLY01 5 V 390 Q 1 4 W A NO 6 3 Pox EWM I A P COM 2 7 S D GND Figure 1 SCC RLY01 Circuit Diagram UN Caution When connecting signals gt 60 VDC to the SCC RLYO1 module in the SCC 68 you must use the high voltage backshell Figure 2 shows the high voltage backshell Figure 2 High Voltage Backshell For information about how to configure the SCC RLYO1 module with NI DAQmx refer to the SCC Quick Start Guide Specifications These ratings are typical at 25 C unless otherwise stated Electrical Contact ty Peserai i SPDT Form C nonlatching Nominal switching capacity SOCO 5 A at 250 VAC 5 A at 30 VDC SCZ 345 aeai e 5 A at 30 VAC 5 A at 30 VDC SCC RLY01 Relay Module User Guide 4 ni com A Caution The
3. For patents covering National Instruments products technology refer to the appropriate location Help Patents in your software the patents txt file on your media or the National Instruments Patent Notice at ni com patents 2001 2008 National Instruments Corporation All rights reserved 371079D 01 Aug08
4. 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 gt e 7 NATIONAL p INSTRUMENTS bold italic monospace SC 2345 SCC 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 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 Text in this font denotes text or characters that you should enter from the keyboard sections of code programming examples and syntax examples This font is also used for the proper names of disk drives paths directories programs subprograms subroutines device names functions operations variables filenames and extensions SC 2345 refers to both the SC 2345 connector block and SC 2345 with configurable connectors SCC refers to any SCC Series signal conditioning module What You Need to Get Started To set up and use the SCC RLYO1 you need the following items Q Hardware SCC 68 or SC 2345 with one of the following SCC PWRO1 e SCC PWRO2 and the PSO1 power supply e SCC PWRO3 requires a 7 to 42 VDC power supply not included One or more SCC RLYO1
5. modules 68 pin E M Series DAQ device 68 pin cable Quick Reference Label Q Software The latest version of NI DAQmx Q Documentation SCC RLYOI Relay Module User Guide SC 2345 2350 User Manual or SCC 68 User Guide SCC Quick Start Guide Read Me First Safety and Radio Frequency Interference SCC RLYO1 Relay Module User Guide 2 ni com Documentation for your hardware Documentation for your software U Tools 1 8 in flathead screwdriver Numbers 1 and 2 Phillips screwdrivers Wire insulation stripper You can download NI documents from ni com manuals To download the latest version of NI DAQ click Download Software at ni com 3 Note Configuring the SCC system using Measurement amp Automation Explorer MAX is not supported on the Macintosh operating system Device Specific Information ay Note For general SCC module installation and signal connection information and information about the SCC 68 or SC 2345 carrier refer to the SCC Quick Start Guide available for download at ni com manuals Installing the Module UN Caution Refer to the Read Me First Safety and Radio Frequency Interference document before removing equipment covers or connecting disconnecting any signal wires Plug the SCC RLYO1 into any DIO socket J X 9 where X is 0 to 7 on the SC 2345 or into any of the four slots that correspond to P0 0 to P0 3 on the SCC 68 Connecting the Input Signals
6. A USER GUIDE SCC RLY01 Relay Module The SCC RLYO01 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 PO line 0 to 7 can control the SCC RLYO1 The SCC RLY0O1 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 Conventions The following conventions are used in this guide lt gt Angle brackets that contain numbers separated by an ellipsis represent a range of values associated with a bit or signal name for example PO lt 3 0 gt 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 gt g 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
7. SCC RLYO1 module is derated to 30 V maximum switching voltage in the SC 2345 carrier regardless of any other voltage markings found on the SCC RLYO1 module case Signal bandwidth eee DC to 400 Hz Contact resistance cceceeeeeeeeeeeeseeeee 30 mQ max Switching time Operate time NC to NO 00 5 ms 10 ms max Release time NO to NC 4 ms 5 ms max Maximum operating speed 30 cps at rated load Contact lifetime eee 5 x 10 operations at 180 cpm minimum Power Requirement Digital powet cceececeeeeeeeseeseeeeeeees 300 mW max AED Veror a E E 60 mA max Physical 1 87 cm 0 74in TNR s Pos 3 12 in E Laa 3 55 cm Len 1 4 in Figure 3 SCC RLY01 Dimensions Weight egasan aaea 37 g 1 3 oz 1 Excluding contact bounce time National Instruments Corporation 5 SCC RLY01 Relay Module User Guide T O COMNECHOTS 0 eee eeeeeeeseeeeeeees One 20 pin right angle male connector One 3 pin screw terminal block Field wiring diameter eee 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 Channel to earth inputs 60 VDC Measurement Category I UN Caution Do not use for connection to signals in Measurement Category II III or IV Do not connect to MAINS When used with an SCC 68 Channel to earth inputs 0
8. duct refer to the Online Product Certification section 3 Note For EMC compliance operate this product according to the documentation 3 Note For EMC compliance operate this device with shielded cables CE Compliance C This product meets the essential requirements of applicable European Directives as follows 2006 95 EC Low Voltage Directive safety 2004 108 EC Electromagnetic Compatibility Directive EMC Online Product Certification Refer to the product Declaration of Conformity DoC for additional regulatory compliance information To obtain product certifications and the DoC for this product visit ni com certification search by model number or product line and click the appropriate link in the Certification column National Instruments Corporation 7 SCC RLYO1 Relay Module User Guide Environmental Management NI is committed to designing and manufacturing products in an environmentally responsible manner NI recognizes that eliminating certain hazardous substances from our products is beneficial to the environment and to NI customers For additional environmental information refer to the NMI and the Environment Web page at ni com environment This page contains the environmental regulations and directives with which NI complies as well as other environmental information not included in this document Waste Electrical and Electronic Equipment WEEE EU Customers At the end of the life cycle all pro
9. ducts must be sent to a WEEE recycling center For more information about WEEE recycling centers and National Instruments WEEE initiatives visit ni com environment weee Dx EFAA mR A CHE RoHS OOQ PARA National instruments 4 Ap FATAL p BAL ELST eA gt ROHS XF National Instruments FE ROHS AWISE TES ni com environment rohs_china For information about China ROHS compliance go to ni com environment rohs_china SCC RLYO1 Module Pin Assignments Figure 4 shows the I O connector pins on the bottom of the module 1 Pin 1 2 Pin2 3 PWB Key 4 Pin19 5 Pin20 Figure 4 SCC Module Bottom View SCC RLY01 Relay Module User Guide 8 ni com Table 1 lists the signal connection corresponding to each pin GND is the reference for the 5 V supply Table 1 SCC RLY01 Pin Signal Connections Pin Number Signal 1 PO X SIINI Dn nm BR wo N 5 V GND ean N W m P en nN lon fe ojj N O N oO National Instruments NI ni com and LabVIEW are trademarks of National Instruments Corporation Refer to the Terms of Use section on ni com 1legal for more information about National Instruments trademarks Other product and company names mentioned herein are trademarks or trade names of their respective companies
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