Installation Instructions
Contents
1. Module Group O 150 1 2 2nd 1 4 3rd 1 1 6 4th Installation Instructions Block I O Cat No 1791 16 Series SW1 Switch Position Rack 3 Rack4 Rack4 Rack 3 Rack 3 Rack 3 ue i BSEEBBEBB ia Rack 10 Rack 11 Rack 11 Rack 11 Rack 12 Rack 12 Rack 12 P FEEFEE BB RE Rack 13 Rack 13 Rack 13 pee oen ee DT tH FH tH EE P Installation Instructions Block I O Cat No 1791 16AC Series SW1 Switch Position e o o o o 8 Bod ojojo o e o o o e P gt Rake 1 2 olo j EZCHESESERERES Rakes 1 2 ola Rake7 1 1 1 Rak70 1 1 1 o Rack address 77 is an illegal configuration PLC 5 11 processors can scan rack PLC 5 15 and PLC 5 20 processors can scan racks 01 03 PLC 5 25 and PLC 5 30 processors can scan racks 01 07 PLC 5 40 and PLC 5 40L processors can scan racks 01 17 PLC 5 60 and PLC 5 60L processors can scan racks 01 27 PLC 5 250 processors can scan racks 00 37 The SLC 500 controllers communicate with the block I O using an I O Scanner module2. 21 23 25 SLC inOBthruin 15 SLC Input OB thru 15 3 Hn PLC out OO thru O7 PLC Output OO thru O7 15 I3 IL SLC out OO thru07 SLC Output 00 thru 07 97 531 aor l G7 PLC out 10 thru17 PLC Output 10 thru 17 16 14 12 SLC outOBthru15 SLC Output 08 thru 15 108642 gt Notused test oniy 45 29 27 26 not for custorrer use No intemal connection 30 28 25 custorrer can use 24 23 No Conn 1 Connect chassis ground to equipment grounding stud These are not intemally connected 2 Terminals 10 12 and 14 are intemally connected together 3Tenvinals 9 11 and 13 are intemally connected together Temirals 17 19 and 21 mst be extemally connected by custorrer to accontrodate total 5Terrinals 18 20 and 22 mst be extemally connected by custorrer to accommodate total IN G input nodule group 7 OUT G output module group Installation Instructions Block I O Cat No 1791 1GAC Series B Default Switch 8 Sw2 8 mA 4 SW27 pA ss Z Not Used ga m M Last I O Group SW2 6 a PLC 2 only _ H o Not last rack mE J 1 Last rack M ga ko SW2 5 T SW2 3 Communication Rate Position O Position 1 dem SW2 2 SW2 1 Bits s 57 6K End View O 1 1152K ATTENTION Cycle power to the nodule after 1 230AK setting the switches 1 1 2304K Starting Quarter swi 2 sw
3. PLC label is nurrbered 00 07 and 10 17 SLC is nurrbered 00 07 and 08 15 2 Remove plastic cover on terrrinal strip by flexing in middle Slip the terrrinal designation label with power and RIO designations into built in holders in left terrrinal strip cover Flex cover slightly to install Repeat for the other terrrinal strip using the remaining label 3 Open clear front door Insert rrodule designation label into slots in door Installation Instructions Block l O Cat No 1791 16 Series TableA Acceptable Wiring Cables for Block I O Connection Use Cable Type Remote I O link Belden 9463 Input and output wiring Up to 14AWG 2 stranded with 3 64 inch insulation Connect wiring as shown in Figure 4 or Figure 5 Figure 4 Wiring Connections with PLC Family Programmable Controllers refer to Table B PLC ED QD 5 E 8 ez gale ond 25g P IS w Q p ill Q 5 NOTE COM 1 connections are internally connected together COM 2 connections are internally connected together L1 3 connections must be externally connected together to accorrrocate total anperage 11 4 connections must be externally connected together to accomodate total anperage Output fusing is recontrended Refer to Table C sl Installation Instructions Block I O Cat No 179
4. Range Output Current Rating Vertical Mitg Horizontal Mtg Surge Current Mininnum On state Current MeaxinnumOn state Voltage Drop Off state Leakage Current rreximurr Output Signal Delay Off to on On to off 1 26rrs allows for 1 2 Cycle drop out 16 2 groups of 8 20 132V ac 300nNA 60PC GOOrrA 30 C 150mA 60 C 300rrA 30 C 10A for each repeatable every 2 sec per output 1 5V peak 300nA LOrs 60Hz LOrrs 50Hz 8 3175 60Hz 10 075 50Hz Specifications continued on next page 11 Installation Instructions Block I O Cat No 1791 1GAC Series B General Specifications Extemal Power intemally protected no extemal fuse required Voltage Current Dirrensions Inches Millinneters Isolation Powersupply to RIO Group to Group Group to Logic 85 132V ac 47 63Hz 6 95H X 4 35W X 3 85D 176 5H X 110 5W X 98D 500V ac 1250V ac 1250V ac Power Dissipation Maximum 22 76 Watts Therrral Dissipation Maximum 77 6 BTU hr Environmental Conditions Operational Terrperature Storage Terrperature Relative Hurridity Conductors Wire Size Category Oto 60 C 32 to 140 F 4O to 85 C 40 to 185 F 5 to 95 noncondensing 14 gauge stranded meaxinum 3 64 inch insulation rrexirrum 11 1 You use this conductor category information for planning conductor routing as described in the Systemlevel
5. 1 1GAC Series B Figure 5 Wiring Connections with SLC Family Processors refer to Table B SLC Q D i 1029 f 18 5 j T 88 ME EB IEEE P I W Ww E K ETE TEE R fE d sl NOTE 1 connections are internally connected together COM 2 connections are intemally connected together 11 3 connections must be externally connected together to accomodate total anperage 11 4 connections must be externally connected together to accorrrmrocate total anperage Output fusing is recontrended Refer to Table C 60 The block I O module has an equipment grounding stud on the lower left side of the module Connect this grounding stud to your equipment ground Torque the nut to 15 in lbs maximum when connecting to your equipment ground ATTENTION Do not overtighten the nut on the grounding stud when connecting the wire Damage to the module could result Refer to Programmable Controller Wiring and Grounding Guidelines 1770 4 1 for further information Installation Instructions Block I O Cat No 1791 16 Series Table B Wiring Block Designations 1791 16AC Series B Connector Terminal Left Conn Right Conn T ac hot l I O Connectiors 16 18 20 in OO thru in O7 Input OO thru O7 22 24 26 28 30 2 mme e GF L2 NIngutCommon 9 11 133 15 17 19 PLC in 10 thru in 17 PLC Input 10 thru 17
6. ALLEN BRADLEY wy 16 Input 16 Output AC Block I O Module Cat No 1791 16AC Series B Installation Mount the block I O module in a vertical recommended or horizontal position Allow sufficient room around the block for cooling air to flow through the block module Refer to Figure 1 Figure 1 Mounting Dimensions for the Block I O Module Cat No 1791 16AC PLC version shown Inches Millinreters 1791 16AC 5 120v ac INOUT 0 gt uURUNBE 6 95 6 60 1765 167 6 2 0 50 8 air gap oo ol onall 4 sides 02 Operating terrperature o5 in air gap below rrodule must not exceed 60 C L 140 F A RACK ALLEN BRADLEY 1 2 mounting holes for 1 4 inch screws Equiprrent Dimensions Grounding Stud 6 95H x 4 35W x 3 85D 176 5H x 110 5W x 98D CAUTION Vhen tightening grounding stud nut do not exceed 15 in lbbs Installation Instructions Block I O Cat No 1791 164C Series B DIN Rail A B Pt No 199 DR1 0 46277 3 EN 50022 Q 35 x 7 5mmn 1 Hook top of slot over DIN rail 2 While pressing block against rail pull down on locking levers 3 When block is flush against rail push up on locking levers to secure block to rail A set of die cut labels is supplied with your nodule Select the proper module designation labels PLC or SLC for the front door and tenvinal strips 1 Remove labels frompackage Select correct labels for your application
7. Series B Fusing The block I O module is internally fused to protect the module No external power fusing is required The outputs of the block I O modules are not fused Fusing of outputs is recommended If desired to fuse an output you must provide external fusing Table C Recommended Fuses SAN O SS2 LO 0 25 in x 1 25 in 3 0A for 1 Note Do not substitute another fuse for those listed 7 The recommended fuses will withstand surges of the above listed currents for the time specified Block I O modules are derated linearly above 30 C up to and including 60 C Table D Output Ratings and Non fused Surge Currents Catalog Number Max Output Rating Maximum Surge Current ing 30 C 60 C repeatable every 2s 120V ac Vertical 600nA 300nA 1791 16AC B 10A for 5Orrs 1 These surge ratings are for non fused outputs only 10 1791 16AC Specifications Input Specifications Installation Instructions Block I O Cat No 1791 16 Series Inputs per Block 26 oF 8 Norrinal Input Current Norrinal Input Voltage 120V ac Or state Voltage Range 79 132V ac 47 63Hz Off state Voltage Maxinum 35V 79V 60Hz 12 3rrA 132v 60Hz 2 3rmA 60HZ 15K ohms 60Hz Orcstate Current Minirrum Maximum Off state Current Minirrum Input Impedance Maimam Input Signal Delay Off toon On to off Output Specifications Outputs per Block Output Voltage
8. cat no 1747 SN series A Refer to the user manual for the 1747 SN A Scanner module for more information Important This block I O module is not compatible with the 1747 DSN Distributed I O Scanner module Installation Instructions Block I O Cat No 1791 16 Series B Termination Resistor A termination resistor must be installed on the last block in a series Connect the resistor as shown in Figure 7 Figure 7 Installing the Termination Resistor Connect terrrination resistor across terrrinals 6 BLU and 8 CLR 150 ohm 57 6K and 115 2K baud 82 ohm 230 4K baud Terrination Resistor 10835 1 ATTENTION Devices that are operating at 230 4K baud must have 82 ohm terminators in place for proper operation Indicators PLC SLC E ELE 88888888 n 8880888888 R 5 trU REB 8B 88888888 S88828888 H N Description not established ON Communication established Flashing Processor in Programrrode STATUS OFF Norrral ON Error hardware or software block power low Flashing COMM FAIL communication cable disconnected 100rrs between valid frarres no more than 255 valid frames between valid frames addressed to block 20rrs ide tine exceeded COMM and STATUS will altemately flash when processor restart lockout is selected a fault has occurred and the processor is communicating with the block Installation Instructions Block I O Cat No 1791 16AC
9. installation manual ALLEN BRADLEY WIN A ROCKWELL INTERNATIONAL COMPANY With offices in major cities worldwide Publication 1791 2 15 March 1994 Supersedes publication 1791 2 15 April 1993 WORLD HEADQUARTERS Allen Bradley 1201 South Second Street Milwaukee WI 53204 USA Tel 414 382 2000 Telex 43 11 016 FAX 414 382 4444 PN 955117 19 Copyright 1994 Allen Bradley Company Inc Printed in USA
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