DATA SHEET SNAP PAC Racks Form 1684-090225 SNAP PAC Racks Features Compatible with all SNAP PAC brains and R-series controllers. Secure mounting for SNAP I/O modules plus a SNAP brain or on-the-rack SNAP PAC controller. Analog, digital, and serial modules on the same rack. Panel or DIN-rail mounting. Modules snap into place. SNAP PAC Racks Factory Mutual-approved versions available. Description security, SNAP PAC racks have provisions for two 4-40 by -inch SNAP PAC I/O mounting racks are designed to hold an intelligent standard machine screws to hold each module in position. SNAP I/O processora SNAP PAC EB-series or SB-series brain or a SNAP PAC R-series on-the-rack controllerand several I/O All SNAP PAC racks offer panel mounting and the option of DIN-rail modules. mounting. DIN-rail adapter part numbers are shown in the table below. For more information, see form 1772, the SNAP TEX Since SNAP analog, digital, and serial I/O modules have the same Mounting/Wiring Tools and Spare Parts Data Sheet. footprint, customers using SNAP PAC racks can mix all these modules on the same I/O mounting rack. Field devices are wired SNAP PAC racks require a 5 VDC power source. One power supply directly to the top-mounted removable connectors on the modules can usually power the rack, the I/O processor (controller or brain), plugged into each rack, or through breakout boards when and all modules on the rack. See form 1120, the SNAP Power additional wiring space is required. (See form 1756, the SNAP TEX Supplies Data Sheet, to choose a power supply. Cables and Breakout Boards Data Sheet, for more information.) SNAP PAC racks can accommodate up to 4, 8, 12, or 16 I/O modules. Part Numbers Part numbers ending in -FM are Factory Mutual approved. The module and rack design allows modules to simply snap on Part Description and off the mounting rack. SNAP-PAC-RCK4 4-module SNAP PAC rack 4-module SNAP PAC rack, Factory SNAP-PAC-RCK4-FM Mutual approved SNAP-PAC-RCK8 8-module SNAP PAC rack 8-module SNAP PAC rack, Factory SNAP-PAC-RCK8-FM Mutual approved SNAP-PAC-RCK12 12-module SNAP PAC rack 12-module SNAP PAC rack, Factory SNAP-PAC-RCK12-FM Mutual approved SNAP-PAC-RCK16 16-module SNAP PAC rack SNAP-PAC-RCK8 (8-Module Position I/O Mounting Rack) 16-module SNAP PAC rack, Factory Shown with SNAP-PAC-R1 controller and SNAP modules (all purchased separately) SNAP-PAC-RCK16-FM Mutual approved SNAP-FUSE7.5AB 7.5-amp fuse, 25 pack SNAP PAC racks use a retention rail locking system that holds SNAP-RACKDIN SNAP rack DIN-rail adapter clip modules securely to the rack. Normally, a hold-down screw is not SNAP rack DIN-rail adapter clip, SNAPRACKDINB required. However, for applications that require additional module 25-pack Opto 22 43044 Business Park Drive Temecula, CA 92590-3614 www.opto22.com PAGE SALES 800-321-6786 951-695-3000 FAX 951-695-3095 sales opto22.com SUPPORT 800-835-6786 951-695-3080 FAX 951-695-3017 support opto22.com 1 20072009 Opto 22. All rights reserved. Dimensions and specifications are subject to change. Brand or product names used herein are trademarks or registered trademarks of their respective companies or organizations.SNAP PAC Racks Specifications 1 Power Requirements 5.0 to 5.2 VDC 4.2 Amps max SNAP-PAC-R1 SNAP-PAC-R1-FM SNAP-PAC-R2 SNAP-PAC-R2-FM 2 I/O Processor SNAP-PAC-EB1 SNAP-PAC-EB1-FM Compatibility SNAP-PAC-EB2 SNAP-PAC-EB2-FM SNAP-PAC-SB1 SNAP-PAC-SB2 Replacement Fuse SNAP-FUSE7.5AB or Littelfuse 297 07.5 Rack Power Terminals 22 to 14 AWG Wire Size Operating Temperature 0 to 70 C Module Mating Connector Pinout (female) Relative Humidity 95%, non-condensing 1 Power requirements shown are for a rack, a processor, and a full load of analog modules. Power requirements for SNAP serial and high-density modules are higher. See module data sheets. 2 I/O Processor means a SNAP PAC brain or SNAP PAC on-the-rack controller. For compatibility with legacy Opto 22 products, see form 1693, Legacy and Current Product Comparison and Compatibility Charts. Power Schematic WARNING: EXPLOSION HAZARD. DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS AREA IS KNOWN TO BE NON-HAZARDOUS. AVERTISSEMENT: RISQUE D EXPLOSION. NE PAS DBRANCHER TANT QUE LE CIRCUIT EST SOUS TENSION, MOINS QU IL NE S AGISSE D UN EMPLACEMENT NON DANGEREUX. Opto 22 43044 Business Park Drive Temecula, CA 92590-3614 www.opto22.com PAGE SALES 800-321-6786 951-695-3000 FAX 951-695-3095 sales opto22.com SUPPORT 800-835-6786 951-695-3080 FAX 951-695-3017 support opto22.com 2 20072009 Opto 22. All rights reserved. Dimensions and specifications are subject to change. Brand or product names used herein are trademarks or registered trademarks of their respective companies or organizations. DATA SHEET SNAP PAC Racks Form 1684-090225