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1791-6.5.3, 1791 Discrete I/O AC and DC Block I/O Input and Output

1. l Rack 14 Racki4 Racki4 0 4 3 Chapter 4 Configuring Your Block for PLC Family Programmable Controllers 1747 SN 1771 SN PLC 2 PLC 5 PLC 5 250 PLC 3 SW1 Switch Position Rack Rack Rack Rack Rack Rack Number Number Number Number Number Number 54 0 55 1 0 1 1 0 Rak56 1 0 1 10 0 i 3 1 0 1 0 1 Rack 60 1 1 0 0 0 6 1 1 0 0 0 Rack62 4 0 0 1 1 0 1 0 1 1 Racker 1 1 0 1 1 0 1 1 UE CES EGER 9 mre Rack address 77 is illegal configuration PLC 5 11 processors can scan rack 03 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 Table 4 G Switch Settings for Block I O as Complementary 1 0 PLC 2 and PLC 5 only PLC 2 PLC 5 SW1 Switch Position Rack Rack ATTENTION Series A modules do not support dum ber complementary I O RUN When configured as complementary 1 0 Rack 2 e PLC 2 can scan racks 01 07 e PLC 5 11 can scan rack 03 0 Rack Rek3 o 1 0 PLC 5 2
2. Troubleshooting INGICALOIS 51 5 nup Specifications 22222 chris I A 1 Ae ko 1 1 gt Purpose of Manual Audience Vocabulary Manual Organization Chapter Introducing Block Description of the modules including general and hardware features Preface Using This Manual This manual shows you how to use your block I O with an Allen Bradley programmable controller It helps you install program and troubleshoot your module You must be able to program and operate an Allen Bradley programmable controller PLC to make efficient use of block I O modules We assume that you know how to do this in this manual If you do not refer to the appropriate PLC programming and operations manual before you attempt to program this module In this manual we refer to the block I O module as the block or the module the programmable controller as the controller or processor This manual is divided into five chapters The following chart shows each chapter with its corresponding title and brief overview of the topics covered in that chapter I O Interface and System Design Compatibility device determination and fusing Installing Block I O Module power requirements location and wiring information Configuring Your Block I O for PLC How to set t
3. gt o e j 5 5 5 Hj e o De lt 68 NOTE RET 1 connections are internally connected together RET 2 connections are internally connected together RET 3 connections are internally connected together 4 connections must be externally connected together to accommodate amperage rating Output fusing is recommended Size fuse according to output load and surge current requirements 3 32 Chapter 3 Installing Block I O o Wer MBRSeiesB Connector Terminal m meme 3 _ Connections seo 3 CLR Clear wire RIO 8 SHD Shield RIO 7 Connections PLC in 00 thru 07 PLC Input 00 thru 07 16 18 20 SLC in 00 thru 07 SLC Input 00 thru 07 E d Input RET 1 dc input return 12 14 PLC 10 thru 17 PLC Input 10 thru 17 15 17 19 2 21 23 25 SLC in 08 thru 15 SLC Input 08 thru 15 27 29 PLC 00 thru 07 PLC Input 00 thru 07 15 13 11 9 Input SLC in 00 thru 07 SLC Input 00 thru 07 7 5 3 1 PLC out 00 thru 07 PLC Output 00 thru 07 16 14 12 pus SLC out 00 thru 07 SLC Output 00 thru 07 10 8 6 4 2 For internal test only 29 27 26 internal use 30 28 25 1 Connect chassis ground to equipment grounding stud These are not internally connected Terminals 12 and 14 are internally connected 3 Terminals
4. lt p SQ LD 28 298 73 AE n AA 5 f IPE BA ll IRE 9 1 By BI 16117 W Dp V B pss lt L se PM 4 of f p Ip p Be 4 E pp IAA 7 6 Ell Dp LAA x 201 16 point Block I O Module oe 32 point Block I O Module 24 75 Refer to the table below for the Figure and page number of the wiring for each block I O module Catalog Number Wiring Connections Catalog Number Wiring Connections Catalog Number Wiring Connections 1791 16A0 Figure 3 5 page 3 6 1791 16AC Figure 3 11 page 1791 8BR Figure 3 17 page Figure 3 6 3 7 1791 2448 Figure 3 12 pagd 3 16 1791 32B0 Figure 3 18 page 3 24 Figure 3 7 pagd 3 d 1791 24AR Figure 3 13 5 1791 0 32 Figure 3 19 page 3 26 Figure 3 8 page 3 9 1791 1680 Figure 3 14 pagd 3 20 1791 16BC Figure 3 20 page 3 28 1791 32A0 Figure 3 9 page 3 10 1791 0B16 Figure 3 15 8 21 1791 2488 Figure 3 21 3 30 1791 0A32 Figure 3 10 3 12 1791 8BC Figure 3 16 page B 22 1791 24BR Figure 3 22 3 32 1791 0A16 1791 8AC 1791 8AR 3 5 Chapter 3 Installing Block I O Figure 3 5 Input Connections for the 1791 16A0 Series B
5. 2 Introducing Discrete Block I O 1 1 Chapter Objectives 14 General Description 1 1 How Block I O Fits in a PLC System 1 3 I O Interface and System Design 2 1 Chapter 2 1 Input Compatibility _2 1 Output Compatibility 25 2 8 Installing Block 0 3 1 Chapter Objectives 34 Pre installation Considerations 3 1 Installing the Block I O 3 3 Connecting Wiring 3 4 Termination 3 34 Surge Suppression 3 34 Remote I O Link 3 36 Extended Node Capability 3 37 Compatibility of 1771 Products with Extended Node Numbers 3 38 Selecting Remote I O Link Speed 3 38 Table of Contents Configuring Your Block I O for PLC Family Programmable Controllers Chapter Objectives Setting the Configuration Switches Using Complementary
6. 1 Connections RET 24 dc Return 3 2 7 Connections 16 18 20 22 24 26 28 30 PLC out 10 thru out 17 PLC Output 10 thru 17 SLC out 08 thru out 15 SLC Output 08 thru 15 1317 19 21 23 25 27 29 Not used For internal test only not 4 5 for customer use 1 Connect chassis ground to equipment grounding stud These are not internally connected 2 Terminals 12 and 14 must be externally connected by customer to accommodate amperage rating 3 Terminals 11 and 13 must be externally connected by customer to accommodate amperage rating 3 21 Chapter 3 Installing Block I O Figure 3 16 Input Output Wiring Connections for the 1791 8BC Series B PLC and SLC EX L7 NOTE RET in connections are internally connected together Vdc out connections must be externally connected together to accommodate amperage rating Output fusing is recommended Refer to Table 2 B on page 2 8 1791 8BC Series B Connections Designation Description Terminal No Power 424 24V dc Power 1 7 I O Connections 16 18 20 22 24 26 28 30 15 17 19 21 23 25 27 29 r7 45 10 Connect chassis ground to equipment grounding stud These are not internally connected Terminals 12 and 14 are internally connected Terminals 11 and 13 must be externally connected by customer to accommodate amperage rating 3 22 Chapter 3 Installing Block I O Figure 3 17 Input Output Wir
7. Off state Leakage Current maximum 132V ac Expected Life of Electrical Contacts 8 1 group of 8 10 30V de 11 0mA 30V 2 5mA 10V 5V dc 1 5mA 3 4K ohms 1 0ms on 5 0ms off maximum 1 0ms on 18 0ms off maximum 1 group of 8 Form A normally open electromechanical relays 20 132V ac 9 1A resistive maximum 20 30V dc 1A resistive maximum 125V dc 0 2A resistive maximum Resistive 1 cos 0 1 0 1A 9 20 132V ac 1A 9 20 30V dc 0 2A 9 125V dc Inductive P F 0 4 cos 0 0 4 20 132V ac 20 30V dc 7ms 0 1A 125V dc 7ms 20 132V ac cos 0 0 4 1A 9 20 30V dc L R 7ms 0 1A 9 125V dc L R 7ms 132W ac maximum for 132V ac resistive output 30W dc maximum for 30V dc resistive output 25W dc maximum for 125V dc resistive output 66VA maximum for 132V ac inductive output 30VA maximum for 30V dc inductive output 12 5VA maximum for 125V dc inductive output 10mA per output 5ms 1ms typical ims 1Hz 60 cpm maximum rated output current 10Hz 600 cpm minimum rated output current 2mA from snubber across contacts 100K operations minimum rated loads Specifications continued on next page Specifications 1791 8BR Series B Specifications General Specifications External Power internally protected no external fuse required Voltage Current Inches Millimeters Dimensions Isolation Power su
8. 1000 20 132V 0 083uF Output l R L 12477 1 The 16 and 32 point ac and dc block modules are internally fused to protect the module No external power fusing is required Outputs are not fused Fusing of outputs is recommended If desired to fuse an output you must provide external fusing Table 2 B Recommended Fuses Het Eremita me oiu sage cune SAN O SS2 1 0 0 25 in x 1 25 in 1 0A 3 0A for 50ms it SAN O 2 1 0 5mm x 20mm 1 0A 2 5A for 50ms Littelfuse 322 1 25 0 25 in x 1 25 in 1 25A 2 25A for 50ms dc SAN O MQ4 800 800mA3 2 0 for 50ms 1 Note Do not substitute another fuse for those listed 2 The recommended fuses will withstand surges of the above listed currents for the time specified 3 Current must be limited to 650mA when using this fuse Both ac and dc block I O modules except relay output modules are derated linearly above 30 C up to and including 60 C as shown in Table 2 C For modules with relay outputs refer to Appendix A for output current and surge current ratings Chapter 2 1 0 Interface and System Design Table 2 C Output Ratings and Non fused Surge Currents Catalog Number otage Output jp i Maximum Surge Current 120V ac Vertical ee 120V ac Vertical 120V Horizontal 300mA 150mA 120V ac Vertical 600mA 300mA i T 5 1791 0A32 B 10A for 50ms repeatable every 2s 120V ac Horizontal 300mA 150mA re
9. 1771 OBN 10 30V output module Other Allen Bradley products that are compatible with block inputs are shown in Table 2 A Table 2 A Compatibility of Other Allen Bradley Products Ese CHIPS T Contactors Bulletin 100 100 A75 100 A45 pure coil Bulletin 500 NEMA 0 2 NEMA 00 100 B180 economized coil Relays Bulletin 700 Outputs mr _ e m fe fe qm qe mm e Photoswitches Buses e mem e e seems Proximity Switches Inputs 871C Yes Yes 871 Yes Yes 871L Yes Yes 871Z Yes Yes 871P Yes N A 802PR see 1 N A 871T Yes Yes 871T Yes Yes 1 Refer to individual switch specifications 2 2 Chapter 2 Interface and System Design When selecting devices to use with the block I O inputs verify that the on state voltage and currents of the device fall into the on state region for the block input Also verify that the off state current and voltage fall into the off state region of the block I O module Figure 2 1 Figure 2 1 dc Input Specifications 11mA Current Minimum on state 2 5mA Undefined or Transition Region Minimum off state 1 5mA ZU 0 5 0 10 On Voltage 30 Figure 2 2 ac Input Specifications at 60Hz 12 3mA Current Minimum on state 5 0mA P VA 2 0 35 79 Voltage Minimum off state 2 3mA 132 2 3
10. 1791 0B32 B 24V dc 0 input 32 output dc block I O module 179146BC B 24 dc 16 input 16 output dc block module 79124B8BB 24 dc 24 input 8 output dc block I O module 1791 2488 8 24 24 input 8 relay output dc block I O module Related Publications For a list of publications with information on Allen Bradley products consult our publication index SD499 2 Chapter Objectives General Description 1791 16AC B 120V ac 1791 16B0 B 1791 8BC B Ee 167 1791 24AR B E e mH 1791 8BR B 8 Introducing Discrete Block I O In this chapter you will learn what ac and dc block I O is its features and how it functions Block I O modules are small self contained remote I O devices complete with power supply programmable controller interface input output connections and signal conditioning circuitry Table 1 A Types of Discrete Block I O 1791 16A0 B 120V ac 1791 0A16 B 120V ac 1791 120 8 1791 8AR B 120V ac 1791 32A0 B 120V ac 1791 0A32 B 120V ac Outputs Description 16 input 0 output 0 input 16 output 8 8 input 8 output 8 8 input 8 relay output 32 input 0 output 0 input 32 output 16 input 16 output 8 24 input 8 output ER 2 1791 2448 8 120V ac 4 4 24 input 8 relay output 16 input 0 output 1791 0B16 B 0 input 16 output 8 input 8 output 8 input 8 relay output 1791 32B0 B 24V d
11. 20 132V ac 1A 20 30V L R 7ms 0 1A 125V dc 7ms 20 132V ac cos 0 0 4 1A 9 20 30V dc L R 7ms 0 1A 125V dc L R 7ms 132W ac maximum for 132V ac resistive output 30W dc maximum for 30V dc resistive output 25W dc maximum for 125V dc resistive output 66VA maximum for 132V ac inductive output 30VA maximum for 30V dc inductive output 12 5VA maximum for 125V dc inductive output 10mA per output 5ms 1ms typical 1ms 1Hz 60 cpm maximum rated output current 10Hz 600 cpm minimum rated output current 2 from snubber across contacts 100K operations minimum rated loads Specifications continued on next page 1791 24AR Specifications General Specifications External Power internally protected no external fuse required Voltage Current Inches Millimeters Dimensions Isolation Power supply to RIO Group to Group Group to Logic Between open contacts Power Dissipation Maximum Thermal Dissipation Maximum Environmental Conditions Operational Temperature Storage Temperature Relative Humidity Conductors Wire Size Category Appendix A Specifications 85 132V ac 47 63Hz 150mA 6 95H X 4 35W X 3 85D 176 5H X 110 5W X 98D 500V ac 1250V ac 1250V ac 1000V ac initial 11 36 Watts 38 74 BTU hr 0 to 60 C 32 to 140 F 40 to 85 C 40 to 185 F 5 to 95 noncondensing 14 gauge 2mm stranded maximum 3 64 inch insulation maximu
12. Left and Right Terminal Strip for Indicator Em Removable Input Output Remote i Terminal Strips for P Input Output and Power ur Output Connections N Remote I O and cc ME EE Power Connections HI a o STATUS ES ani E EN s EE el i Equipment Equipment ALLEN BRADLEY Pai Grounding Su co Switch assemblies are located behind front cover Open cover to access 1 2 How Block I O Fits in a PLC System Programmable Controller or Scanner Chapter 1 Introducing Block I O Terminal Strip Remote I O link power and input output connections are made to the removable terminal strip for easy connection of wiring and block replacement if necessary Switch Assembly Two switch assemblies are provided for setting the I O rack number starting I O group communication rate last chassis and last state Status Indicators Indicators display the status of communication and input output Use these indicators to help in troubleshooting Block I O is a complete I O interface that includes the functionality of the I O rack adapter power supply and I O modules in a single unit Connect sensors and actuators to the module and use the remote I O cable to connect the block I O to your programmable controller Connect the block I O to your remote I O link as you wo
13. Family Programmable Controllers Using Complementary 1 0 PLC 2 and PLC 5 family processors support a complementary I O configuration Complementary I O can allow you to maximize memory usage without increasing memory size Refer to the user s manual for your processor to see if it supports this type of configuration You configure complementary I O by duplicating an I O rack number of one I O chassis primary in another I O chassis complementary I O group for I O group The I O modules in the complementary chassis perform the opposite function of the corresponding modules in the primary chassis Important Series A block I O modules do not support complementary I O If using complementary I O use series B modules When using I O racks in a complementary configuration the block I O must be paired with a device which occupies 1 4 rack of I O space i e primary and complementary must be the same logical rack size Note The 1747 SN series is not capable of supporting complementary I O Figure 4 11 Processor Data Table Use with Complementary I O 16 or 32 point Input Block I O 16 or 32 point Input Block I O 16 or 32 point To Programmable Controller Input Block I O or I O Scanner Module 16 or 32 point Input Block I O 16 or 32 point Output Block I O Input Block and Output Block on each pair have the same logical address 16 or 32 point Output Block I O 16 or 32 point 1 Rack Output Bl
14. Figure 2 7 ac Output Drive Current Load for ac Air Valve 10A Current n gt Continuous 2 6 Chapter 2 1 0 Interface and System Design DC Outputs The dc output circuits for block I O are capable of driving dc loads with a maximum surge current inrush of 3A 72 Watts and a maximum holding current of 500mA 12 Watts at 60 C 1 24 Watts at 30 C The maximum drive characteristics are shown below Figure 2 8 Figure 2 8 dc Output Drive Current 3A Current Continuous 309C 1 0 500mA Continuous 60 C 0 50ms Time The drive circuit for dc outputs is shown in Figure 2 9 Figure 2 9 Simplified Schematic of dc Output Circuit Output Indication LED 10 30V dc logic JS Opto Isolation Circuitry 1N4004 Return 12247 1 When sizing output loads check the documentation supplied with the output device for the surge and continuous current needed to operate the device Refer to Table 2 A to determine which Allen Bradley products will directly interface to the outputs 2 7 Chapter 2 Interface and System Design Input Output Indication LED logic System Circuitry Fusing 2 8 Relay Output The relay outputs on block I O modules are electro mechanical outputs and do not require specific compatibility with the load device as to current sinking or sourcing Figure 2 10 Simplified Schematic of Relay Output Circuit Common
15. General Specifications External Power internally protected no external fuse required Voltage Current Inches Millimeters Dimensions Isolation Power supply to RIO Group to Group Group to Logic Power Dissipation Maximum Thermal Dissipation Maximum Environmental Conditions Operational Temperature Storage Temperature Relative Humidity Conductors Wire Size Category 1 level installation manual 16 2 groups of 8 11mA 120V ac 79 132 47 63Hz 35V 5mA 9 79V 60Hz 12 3mA 9 132V 60Hz 2 3mA 60Hz 15K ohms 60Hz 1 0ms 26ms maximum allows for 1 2 cycle drop out 16 2 groups of 8 20 132V ac 300mA 9 609C 600mA 2 309C 150mA 60 300mA 309C 10A for 50ms each repeatable every 2 sec 50 per output 1 5V peak 300mA 3mA 1 0ms 9 60Hz 1 0ms 9 50Hz 8 3ms 60Hz 10 0ms 50Hz 85 132V ac 47 63Hz 150mA 6 95H X 4 35W X 3 85D 176 5H X 110 5W X 98D 500V ac 1250V ac 1250V ac 22 76 Watts 77 6 BTU hr 0 to 60 C 32 to 14092 40 to 85 C 40 to 185 F 5 to 95 noncondensing 14 gauge stranded maximum 3 64 inch insulation maximum 11 You use this conductor category information for planning conductor routing as described in the system 1791 24A8 Specifications Input Specifications Inputs per Block Nominal Input Current Nominal Input Voltage On state Voltage Range Off state Voltage Maximum On state Current Minimum Maximum Off state
16. NOTE Com 1 connections are internally connected together Com 2 connections are internally connected together 1791 16A0 Series B 7 Connections Input 16 18 20 22 24 26 28 30 PLC in 10 thru in 17 PLC Input 10 thru Input 17 SLC in 08 thru in 15 SLC Input 08 thru Input 15 2059 For internal test only not for 4 5 customer use 1 Connect chassis ground to equipment grounding stud These are not internally connected Terminals 10 12 and 14 are internally connected 3 Terminals 9 11 and 13 are internally connected Connections Input 3 6 Chapter 3 Installing Block I O Figure 3 6 Output Wiring Connections for the 1791 0A16 Series B QD L2 N L2 N PLC OT SLC ___ 2 eno a GND RIO RIO BLU BLU TE EE L1 1 fout oo fout 021 out 15 out 06 30 out 07 L1 2 o LIEIL o sig gt gt gt E oa N 59 on lt o o eo amp gt o o 2 Lo NOTE L1 1 connections must be externally connected together to accommodate total amperage L1 2 connections must be externally connected together to accommodate total amperage Output fusing is recommended Ref
17. with 82 ohm terminator and extended node addressing 230 4K 2 500 cable feet 57 6 10 000 cable feet SLC 5 02 or SLC 5 03 1747 SN Remote I O Scanner 16 blocks with 150 ohm terminator 115 2K 5 000 cable feet Controllers Module 16 blocks with 82 ohm terminator 230 4K 2 500 cable feet 1 PLC 5 15 series A and PLC 5 15 series B prior to revision can only address 3 blocks 2 PLC 5 25 revisions prior to A D can only address 7 blocks Installing the Block Figure 3 1 shows the mounting dimensions for the block I O module Mount the blocks vertically with a minimum of 2 between blocks This air gap is necessary to maintain proper cooling air flow through the block Figure 3 1 Mounting Dimensions for the Block I O Modules 2 710 qus ING Eus aS E Block i ra E 6 95 6 95 6 60 c 1765 176 5 167 6 Er E 1 1 EE E 2 0 50 8 air gap all 4 sides H m Operating temperature in a air gap below module must mH not exceed 60 C 1409F ppm ES om E 3069 306 Equipment ALLEN BRADLEY ALLEN BRADLEY Grounding Stud 97 2 Mounting Holes CAUTION When tightening grounding stud nut do not exceed 15 in Ibs for 1 4 inch screws Dimensions 6 95H x 2 710W x 3 85D 6 95 x 4 35W x 3 850 MAS 176 5H x 68 8W x 98D 176 5 x 110 5W x 98D 16 p
18. 13 179146ACJB Page A 14 1791 24A8 B PagdA 15 7 1701 24ARJB 10 179146B0B 7 1791 0816 8 8 T 79 8BCB Pagd A 9 7 1791 8 10 7 1791 32808 A 18 7908228 Paod Ag _ 1791 168 20 1791 24888 Page A21 T79 24BRB Page A 22 Appendix A Specifications 1791 16A0 Series B Specifications Input Specifications npispeBlck gt 16 2 groups of 8 Nominal Input Current 11 0mA Nominal Input Voltage i20Vac On state Voltage Range 79 132V ac 47 63Hz Off state Voltage Maximum 35V On state Current Minimum 5mA 79V 60Hz Off state Current _ Minimum 2 3mA 60Hz Input Impedance _ Maximum 15K ohms 60Hz Input Signal Delay 1 0ms On to off 26ms maximum allows for 1 2 cycle dropout General Specifications External Power Internally protected no external fuse required Voltage 85 132V ac 47 63Hz Current 150mA Dimensions Inches 6 95H X 2 7W X 3 85D Millimeters 176 5H X 68 8W X 98D 500V ac 1250V ac 1250V ac 8 9 Watts 30 35 BTU hr Isolation Power supply to RIO Group to Group Group to Logic Power Dissipation Maximum Thermal Dissipation Maximum Environmental Conditions Operational Temperature 0 to 60 C 32 to 140 F Storage Temperature 40 to 85 C 40 to 185 F Relative Humidity 5 to 95 noncondensing Conductors Wir
19. 22 must be externally connected by customer to accommodate total amperage 8 IN input module group 7 OUT G output module group 3 15 Chapter 3 Installing Block I O Figure 3 12 Input Output Wiring Connections for the 1791 24A8 Series B L1 L2 N L1 L2 N NOTE COM 1 connections are internally connected together COM 2 connections are internally connected together COM 3 connections are internally connected together L1 4 connections must be externally connected together to accommodate total amperage Output fusing is recommended Refer to Table 2 B on page 2 8 3 16 Chapter 3 Installing Block I O 1791 24A8 Series Connector Terminal Connections L1 Connections 16 18 20 22 in 00 thru in 07 Input 00 thru 07 24 26 28 30 Input COM 1 L2 N Input Common 10 12 14 2 L2 N Input Common 9 11 133 PLC in 10 thru in 17 PLC Input 10 thru 17 15 17 19 21 SLC in 08 thru in 15 SLC Input 08 thru 15 23 25 27 29 Input in 00 thru in 07 Input 00 thru 07 E 8 o 9 7 5 1 7 3 L2 N Input Common 17 19 21 utput PLC out 00 thru out 07 PLC Output 00 thru 07 16 14 12 10 8 SLC out 00 thru out 07 SLC Output 00 thru 07 6 4 2 For internal test only 5 29 27 26 not for customer use customer can use 1 Connect chassis ground to equipment grounding stud These are not internally connected Left co
20. 40 to 185 F 5 to 95 noncondensing 14 gauge 2mm stranded maximum 3 64 inch insulation maximum 21 You use this conductor category information for planning conductor routing as described in the system 19 Appendix A Specifications 20 1791 16BC Specifications Input Specifications Inputs per Block On state Voltage Range On state Current Maximum Minimum Off state Voltage Maximum Off state Current Minimum Input Impedance Maximum Input Signal Delay Fast Slow Output Specifications Outputs per Block Output Voltage Range Output Current Rating Vertical Mtg Horizontal Mtg Surge Current Minimum On state Current Maximum On state Voltage Drop Off state Leakage Current maximum Output Signal Delay 16 2 groups of 8 10 30V dc 11 0mA 30V 2 5mA 9 10V 5V dc 1 5mA 3 4K ohms 1 0ms on 5 0ms off maximum 1 0ms on 18 0ms off maximum 16 2 groups of 8 10 30V dc 500mA 9 609C 1A 9 309C 250mA 9 609C 500mA 2 309C for 50ms each repeatable every 2 sec 1 per output 1 0V 9 rated current 0 5mA 0 5ms on 1 0ms off maximum Specifications continued on next page General Specifications External Power internally protected no external fuse required Voltage Current Dimensions Inches Millimeters Isolation Power supply to RIO Group to Group Group to Logic Power Dissipation Maximum Thermal Dissipation Maximum Environmental Condition
21. Action Green COMM indicator on Red STATUS indicator off Normal operation None required status indicator on off Cycle power to the block If problem persists Red STATUS indicator on Block failed self test or a major fault is detected replace the block Communication failure RIO cable off 100ms between valid frames 20ms idle time exceeded Improper processor or scanner switch settings Check remote I O cable connections verify Red STATUS indicator flashing scanner or processor switch settings Green COMM indicator off Check that power is applied to block Make sure that proper number of blocks are configured Check remote link for duplicate address Green COMM indicator off No communication with processor scanner etc Reset command or output disable bit for SLC has Check program Correct as necessary Green COMM indicator flashing been issued by processor or scanner Check terminator resistors and cable wiring SLC or programmable controller in program mode Place in run mode Processor restart lockout is selected and a fault has occurred Communication to block is Cycle power to block established COMM and STATUS indicators alternately flashing 5 2 Specifications For Specifications for Refer to 1791 16508 Page A2 17910M6B Page 1791 8 4 1791 8 Page A 5 179132A0B PagdA 13 1791 0 328 Page A
22. Bit O Output VO Bit Rack Number Group Number Rack Number 1 0 Group Number no 17 16 15 a 13 12 n 0 e 5 alal 2 sing fol O Block Data Group fazl 15 14 13 12 n 0 z 6 5 4 2 1 0 17 16 15 14 13 12 1 10 7 5 4 3 2 1 0 Block Data 108384 Input Image used by Input Module Output Image used by output module Figure 4 16 Image Table for One Assigned Rack Number with Series 32 point Modules and Series B 16 point Modules Complemented by each other Input Image 15 87 0 SLC Reserved Reserved amp gt lt 5 al ta 2 gt 1 Rack RIS RIS RIS Output Image 15 87 0 SLC 1 4 Rack 17 10 7 0 PLC Reserved Reserved Chapter 4 Configuring Your Block for PLC Family Programmable Controllers Figure 4 17 Input Output Image Table Usage Example for One Group for Series B 32 point Output Modules cat no 1791 0A32 0B32 Complemented by Series B 16 point Input Modules cat no 1791 16A0 16B0 PLC 2 Example 010 00 PLC 5 Family Example 10 00 Type of I O E Type of I O ts Dun I O Bit 1 0 Bit Rack Number Group Number _ O Rack Number Group Number no 17 15 14 13 12 fo 7 4 2 111 Reserved
23. Chapter 2 Interface and System Design Example You want to use an ac 2 wire Bulletin 871C Proximity Switch for an input to a block I O module To determine if the switch is compatible with the block verify the following Iblock off gt lleakage switch Vsupply Vswitch on gt Vblock on where Iblock off minimum off state current of block input lleakage switch maximum off state leakage current of proximity switch Veupply minimum value of supply voltage Vswitch on Maximum on state voltage drop of proximity switch Vplock on minimum on state voltage specification Simplified schematics of ac and dc input circuits are shown in Figure 2 3 and Figure 2 4 Figure 2 3 Simplified Schematic of ac Input Circuit Input Indication LED logic Input System Input om Circuitry Filter solation L1 79 132V ac Figure 2 4 Simplified Schematic of Sinking dc Input Circuit Input Indication LED logic System Input Opto Circuitry Filter T 2 8KQ Input 10 30V dc DAN212K Return Common 18555 2 4 Output Compatibility Current Chapter 2 1 0 Interface and System Design The block I O may be used to drive a variety of output devices Typical output devices compatible with the block I O outputs include motor starters solenoids indicators When designing a system ensure that the block I O output can supply the necessary surge and continuous current
24. Current Minimum Input Impedance Maximum Input Signal Delay Off to on On to off Output Specifications Outputs per Block Output Voltage Range Output Current Rating Vertical Mtg Horizontal Mtg Surge Current Minimum On state Current Maximum On state Voltage Drop Off state Leakage Current maximum Off to on On to off Output Signal Delay General Specifications External Power internally protected no external fuse required Voltage Current Inches Millimeters Dimensions Isolation Power supply to RIO Group to Group Group to Logic Power Dissipation Maximum Thermal Dissipation Maximum Environmental Conditions Operational Temperature Storage Temperature Relative Humidity Conductors Wire Size Category 1 installation manual Specifications 24 8 groups of 8 11mA 120V ac 79 132 ac 47 63Hz 35V 5mA 9 79V 60Hz 12 3mA 9 132V 60Hz 2 3mA 60Hz 15K ohms 60Hz 1 0ms 26ms maximum allows for 1 2 cycle drop out 8 1 group of 8 20 132V ac 300mA 9 609C 600mA 2 309C 150mA 9 60 300mA 309C 10A for 50ms each repeatable every 2 sec 50 per output 1 5V peak 300mA 3mA 1 0ms 9 60Hz 1 0ms 50Hz 8 3ms 60Hz 10 0ms 50Hz 85 132 ac 47 63Hz 150mA 6 95H X 4 35W X 3 85D 176 5H X 110 5W X 98D 500V ac 1250V ac 1250V ac 18 76 Watts 63 97 BTU hr 0 to 60 C 32 to 140 F 40 to 85 C 40 to 185 F 5
25. Electrical Contacts 24 3 groups of 8 10 30V dc 11 0mA 30V 2 5mA 9 10V 5 dc 1 5mA 3 4K ohms 1 0ms on 5 0ms off maximum 1 0ms on 18 0ms off maximum 1 group of 8 Form A normally open electromechanical relays 20 132V ac 9 1A resistive maximum 20 30V dc 9 1A resistive maximum 125V dc 9 0 2A resistive maximum Resistive 1 cos 0 1 0 9 20 132V ac 1A 9 20 30V dc 0 2A 125V dc Inductive P F 0 4 cos 0 4 0 5A 20 132V ac 20 30V L R 7ms 0 1A 125V dc 7ms 20 132V ac cos 0 0 4 1A 9 20 30V dc L R 7ms 0 1A 125V dc L R 7ms 132W ac maximum for 132V ac resistive output 30W dc maximum for 30V dc resistive output 25W dc maximum for 125V dc resistive output 66VA maximum for 132V ac inductive output 30VA maximum for 30V dc inductive output 12 5VA maximum for 125V dc inductive output 10mA per output 5ms 1ms typical 1ms 1Hz 60 cpm maximum rated output current 10Hz 600 cpm minimum rated output current 2 from snubber across contacts 100K operations minimum 9 rated loads Specifications continued on next page 1791 24BR Specifications General Specifications External Power internally protected no external fuse required Voltage Current Inches Millimeters Dimensions Isolation Power supply to RIO Group to Group Group to Logic Power Dissipation Maximum Thermal Dissipation Maximum
26. for proper operation Take care to ensure that the surge and continuous current are not exceeded Damage to the module could result The block I O outputs are capable of directly driving the block I O inputs of the same type AC Outputs The ac output circuits for block I O are capable of driving ac loads with a maximum surge current inrush of 10A 1200 Watts and a maximum holding current of 300mA 36 Watts at 60 C 600mA 72 Watts at 3090 The maximum drive characteristics are shown below Figure 2 5 ac Output Drive Current 10A Continuous 30 C 600mA 1 0 300mA Continuous 60 C 0 10ms 50ms Time The drive circuit for ac outputs is shown in Figure 2 6 2 5 Chapter 2 Interface and System Design Figure 2 6 Simplified Schematic of ac Output Circuit Output Indication LED logic L1 Opto Common System Isolation Circuitry 108 20 132V ac 0 033uF L2 Out RL When sizing output loads check the documentation supplied with the output device for the surge and continuous current needed to operate the device Refer to Table 2 A to determine which Allen Bradley products will directly interface to the outputs Example The output device is an ac solenoid operated air valve with an inrush current surge of 1 995A for 10ms and a holding current continuous of 275mA Figure 2 7 shows that the load of the output device is within the operating specifications of the ac output
27. state voltage minimum of the ac block input is greater than the supply voltage minus the on state voltage drop across the 1771 output module Some 1771 I O modules that meet these specifications are cat no 1771 OAN ac 120V output module cat no 1771 OD16 120V isolated output module at 120V ac cat no 1771 ODD 120V isolated output module at 120V ac cat 1771 ODZ isolated ac output module DC block output modules are compatible with 1771 series input modules that require greater than 0 5mA for the off state current Some 1771 input modules that meet these specifications are cat 1771 IB dc 12 24V input module cat 1771 IBD dc 10 30V input module cat no 1771 IBN dc 10 30V input module cat 1771 ICD dc 20 60V input module cat no 1771 IN ac 24V input module cat 1771 1016 dc 24V input module cat 1771 IH dc 24 48V input module 2 1 Chapter 2 Interface and System Design DC block input modules are compatible with 1771 series output modules if the off state leakage current of the module is less than the block module minimum off state current and the on state voltage minimum of the dc block input is greater than the supply voltage minus the on state voltage drop across the 1771 output module Some 1771 I O modules that meet these specifications are 1771 dc output driver module 1771 OBD 10 60V output module
28. to 95 noncondensing 14 gauge stranded maximum 3 64 inch insulation maximum 1 You use this conductor category information for planning conductor routing as described in the system level A 15 Appendix A Specifications 16 1791 24AR Specifications Input Specifications Inputs per Block Nominal Input Current Nominal Input Voltage On state Voltage Range Off state Voltage Maximum On state Current Minimum Maximum Off state Current Minimum Input Impedance Maximum Input Signal Delay Off to on On to off Output Specifications Outputs per Block Output Voltage Range load dependent Output Current Rating at rated power 3 Surge Current at rated power with inductive loads 3 Power Rating continuous and surge loads Contact Load Minimum Operate Release Time Bounce Time Maximum Switching Frequency Maximum for contact cooling Off state Leakage Current maximum Expected Life of Electrical Contacts 24 8 groups of 8 11 0mA 120V ac 79 132 ac 47 63Hz 35V 5mA 9 79V 60Hz 12 3mA 9 132V 60Hz 2 3mA 60Hz 15K ohms 9 60Hz 1 0ms 26ms maximum allows for 1 2 cycle drop out 1 group of 8 Form A normally open electromechanical relays 20 132V ac 9 1A resistive maximum 20 30V dc 1A resistive maximum 125V dc 8 0 2A resistive maximum Resistive 1 cos 0 1 0 9 20 132V ac 1A 9 20 30V dc 0 2A 125V dc Inductive P F 0 4 cos 0 0 4 0 5A
29. 0 PLC 5 30 PLC 5 40 Rack 5 0 0 1 1 0 0 PLC 5 60 can scan racks 01 07 Rack 6 Rack 5 0 1 11011 7 Rack 6 0 1 1 1 0 7 1 1 1 4 4 Chapter 4 Configuring Your Block for PLC Family Programmable Controllers The SLC 500 controllers communicate with the block I O using an I O Scanner module cat no 1747 SN series A Refer to the user manual for the 1747 SN A Scanner module for more information Note These block I O modules are not compatible with the 1747 DSN Distributed I O Scanner module Each block I O module uses 2 words of output image table memory and 2 words of input image table memory Each block occupies 1 4 rack of data table with 4 blocks comprising 1 logical rack Image table usage for one assigned rack number and examples of image table usage are shown in Figures 4 2 through 4 10 Figure 4 2 Image Table for One Assigned Rack Number with 16 point Modules Input Image 15 87 0 SLC 17 10 7 0 PLC Reseed gt 1791 16 0 1791 16 0 1791 0 16 1 1 0 Rack Output Image 5 87 0 SLC 17 10 7 0 PLC Reserved Reserved Reserved NOP c 4 5 Chapter 4 Configuring Your Block for PLC Family Programmable Controllers Figure 4 3 Input Output Image Table Usage Example for One Starting I O Group for 16 Output Modules cat no 1791 0A16 0B16 PLC 2 Example 010 00 PL
30. 0 000 cable feet with 150 ohm terminator 115 2K 5 000 cable feet 16 blocks channel 64 blocks scanner 57 6K 10 000 cable feet with 150 ohm terminator 128 blocks with 2 scanners and 150 ohm 115 2K 5 000 cable feet Maximum Capacity 16 blocks with 150 ohm terminator terminator 32 blocks channel 64 blocks scanner 57 6K 10 000 cable feet with 82 ohm terminator 128 blocks 115 2K 5 000 cable feet with 2 scanners 82 ohm terminator 230 4K and extended node addressing 2 000 cable feet 57 6K 10 000 cable feet 4 blocks with 150 ohm terminator 115 2K 5 000 cable feet 2 500 cable feet 12 blocks with 150 ohm terminator 10 000 cable feet 3 1 Chapter 3 Installing Block I O Baud Rate Maximum 10 000 cable feet 12 blocks with 82 ohm or 150 ohm PLC 5 20 terminator 115 2K 5 000 cable feet 230 4K 2 500 cable feet 16 blocks with 150 ohm terminator PLC 5 25 28 blocks with 82 ohm terminator and 57 6K 10 000 cable feet extended node addressing 16 blocks channel 28 blocks per 57 6K 10 000 cable feet processor with 150 ohm terminator 5 000 cable feet PLC 5 30 10 000 cable feet 28 blocks channel 28 blocks per processor with 82 ohm terminator 115 2K 5 000 cable feet and extended node addressing 230 4K 2 500 cable feet 16 blocks channel 60 blocks per 10 000 cable feet processor with 150 ohm terminator 5 000 cable feet 10 000 cable feet 32 blocks channel 60 blocks per proce
31. 011 Reserved Block Data 108987 4 6 Chapter 4 Configuring Your Block for PLC Family Programmable Controllers Figure 4 6 Image Table for One Assigned Rack Number with 32 point Modules Input Image 15 87 0 SLC 17 10 7 0 PLC Rene Reserved NOOO LP 11 O Rack 1791 32A0 1791 32B0 1791 0B32 1791 16AC Output Image 15 87 0 SLC 17 10 7 0 PLC Resend gt Figure 4 7 Input Output Image Table Usage Example for One Starting I O Group for 32 Output Modules cat no 1791 0A32 0B32 PLC 2 Example PLC 3 PLC 5 PLC 5 250 Example 010 0 1 0 00 0 Type of I O Type of I O 1 Input Input 0 Output Output Rack Number Group Number 1 0 Rack Number Group Number nof __________ Starting 1 Input Image ds Block Data aon 17 16 15 14 13 12 11 10 7 e s 2 1 0 on ej o we v es Block Data 10838 1 Output Image 47 Chapter 4 Configuring Your Block for PLC Family Programmable Controllers Figure 4 8 Input Output Image Table Usage Example for One Starting I O Group with 32 Input Modules cat no 1791 32A0 32B0 PLC 2 Example 1 1 0 00 PLC 3 PLC 5 PLC 5 250 Example 1 0 00 Type of I O Type of I O 1 Input Input 0 Output 0 Outpu
32. 11 and 13 are internally connected Terminals 19 and 17 are internally connected 5 Terminals 20 and 18 must be externally connected by customer to accommodate amperage rating IN G input module group 7 N G 1 input module group plus 1 8 OUT G output module group Remote I O Connections Table 3 B Acceptable Wiring Cables for Block I O Connection Use Cable Type Remote I O link Belden 9463 Input and output wiring Up to 14AWG 2mm stranded with 3 64 inch insulation 3 33 Chapter 3 Installing Block I O Termination Resistor Surge Suppression 3 34 A termination resistor must be installed on the last block in a series Connect the resistor as shown in Figure 3 23 Figure 3 23 Installing the Termination Resistor Connect termination resistor across terminals 6 BLU and 8 CLR Refer to Table 3 A for proper terminator for your application Termination Resistor 108354 Output modules contain surge suppression circuitry for the block output devices The ac output modules provide an RC network to limit the magnitude of voltage transients that may occur when a device is wired in parallel or series with hard contacts The dc output modules have clamping diodes that shunt voltage transients to the power supply Important We recommend that you use an additional suppression device if an output module is being used to control an inductive device such as relays motor starters s
33. 7 SLC Input 00 thru 07 7 5 3 1 PLC out 00 thru 07 PLC Output 00 thru 07 16 14 12 Output SLC out 00 thru 07 SLC Output 00 thru 07 10 8 6 4 2 For internal test only 4 5 9 10 29 27 26 21 not for customer use No Connection No internal use 30 28 25 customer can use 24 23 1 Connect chassis ground to equipment grounding stud These are not internally connected 2 Terminals 12 and 14 are internally connected 3 Terminals 11 and 13 are internally connected 4 Terminals 17 and 19 are internally connected 5 Terminals 20 and 18 must be externally connected by customer to accommodate amperage rating 8 IN G input module group 7 IN G 1 input module group plus 1 8 OUT G output module group Remote I O Connections 3 31 Chapter 3 Installing Block I O Figure 3 22 Input Output Wiring Connections for the 1791 24BR Series B 3 ONO 29 USED No USED NO USED CONN NO CONN NOT USED 4 NOT L1 L2N RET 3 Vac de RET 4 3 o o x e e e e a e e e e sl NO 29 Nor CONN USED No CONN USED wo USED CONN NO CONN CONN yor NOT z 8 Li L2N USED 4 3 4
34. A 309C 10A for 50ms each repeatable every 2 sec 50 per output 1 5V peak 9 300mA 3mA 1 0ms 60Hz 1 0ms 50Hz 8 3ms 60Hz 10 0ms 50Hz 85 132 47 63Hz 150 6 95H X 2 7W X 3 850 176 5H X 68 8W X 98D 500V ac 1250V ac 1250V ac 12 9 Watts 43 99 BTU hr 0 to 60 C 32 to 140 F 40 to 85 C 40 to 185 F 5 to 95 noncondensing 14 gauge 2mm stranded maximum 3 64 inch insulation maximum 1 You use this conductor category information for planning conductor routing as described in the system level Specifications 1791 8AR Series B Specifications Input Specifications Inputs per Block Nominal Input Current Nominal Input Voltage On state Voltage Range Off state Voltage On state Current Maximum Minimum Maximum Off state Current Minimum Input Impedance Maximum Off to on On to off Output Specifications Input Signal Delay Outputs per Block Output Voltage Range load dependent Output Current Rating at rated power 3 Surge Current at rated power with inductive loads 3 Power Rating continuous and surge loads Contact Load Minimum Operate Release Time Bounce Time Maximum Switching Frequency Maximum for contact cooling Off state Leakage Current maximum Expected Life of Electrical Contacts Specifications continued on next page 1 group of 8 11 0mA 120V ac 79 132 ac 47 63Hz 35V 5mA 9 79V 60Hz 12 3mA 9 132
35. ALLEN BRADLEY Wy 1791 Discrete 1 0 AC and DC Block 1 0 Input and Output Modules User Manual M Important User Information Because of the variety of uses for the products described in this publication those responsible for the application and use of this control equipment must satisfy themselves that all necessary steps have been taken to assure that each application and use meets all performance and safety requirements including any applicable laws regulations codes and standards The illustrations charts sample programs and layout examples shown in this guide are intended solely for example Since there are many variables and requirements associated with any particular installation Allen Bradley does not assume responsibility or liability to include intellectual property liability for actual use based upon the examples shown in this publication Allen Bradley publication SGI 1 1 Safety Guidelines For The Application Installation and Maintenance of Solid State Control available from your local Allen Bradley office describes some important differences between solid state equipment and electromechanical devices which should be taken into consideration when applying products such as those described in this publication Reproduction of the contents of this copyrighted publication in whole or in part without written permission of Allen Bradley Company Inc is prohibited Throughout this manual we make notes to al
36. C 3 PLC 5 PLC 5 250 Example O 1 0 00 Type of I O Type of I O al 1 Input Input 0 Output V O Bit O Output I O Bit Rack Number Group Number Rack Number Group Number 110 Starting 111 Reserved IO Block Data Group s v wif vol af 2 ijo or Block Data 108384 Input Image Output Image Figure 4 4 Input Output Image Table Usage Example for One Starting I O Group with 16 Input Modules cat no 1791 16A0 16B0 PLC 2 Example 110 00 PLC 3 PLC 5 PLC 5 250 Example 10 00 Type of I O Type of I O 1 Input Input 0 Output IUBE O Output VO Bi Rack Number Group Number Rack Number 1 0 Group Number 17 v se ao 7 e 5 2 1 Jol Starting 111 Reserved Input Image y o Block Data ud 010 Reserved s utput Image 011 Reserved put Imag Block Data 108384 Figure 4 5 Input Output Image Table Usage Example for One Starting I O Group for 8 Input 8 Output Modules cat no 1791 8AC 8BC 8AR 8BR PLC 2 Example 110 00 PLC 3 PLC 5 PLC 5 250 Example 1 0 00 Type of I O zm Type of I O 2 1 Input 1 0 Bit Input Bit 0 Output O Output Rack Number Group Number Rack Number 1 0 Group Number nof Reseved rjejsjajsj2 1 0 Input Image Stating 1 Reserved IO Block Data Group oo ____ ___ 6 5 0 utput Image
37. Environmental Conditions Operational Temperature Storage Temperature Relative Humidity Conductors Wire Size Category Appendix A Specifications 19 2 30V de 300mA 6 95H X 4 35W X 3 85D 176 5H X 110 5W X 98D 500V ac 500V ac 500V ac 14 5 Watts 49 4 BTU hr 0 to 60 C 32 to 140 F 40 to 85 C 40 to 185 F 5 to 95 noncondensing 14 gauge 2mm stranded maximum 3 64 inch insulation maximum 14 Surge limiting circuitry is not provided in the module For reliable operation you must ensure that surges do not exceed either the voltage or current rating of the module Spikes peaks and surges must be within the power rating specifications 3 Do not attempt to parallel outputs to increase load current The output that turns on fastest would carry the full load current Youuse this conductor category information for planning conductor routing as described in the system level installation manual 23 Symbols Empty 3 36 B block compatibility 1 2 C compatibility 1 2 ac input modules 2 1 ac output modules 2 1 dc input modules 2 2 dc output modules 2 1 extended node numbers 3 38 other Allen Bradley products 2 2 complementary I O with 1 2 slot addressing 4 9 configuration switches 4 1 connecting block I O in a PLC system 1 3 D description P 2 1 1 E extended node capability 3 37 F features 1 2 fusing output ratings and surge currents 2 9 recommend
38. V 60Hz 2 3mA 60Hz 15K ohms 9 60Hz 1 0ms 26ms maximum allows for 1 2 cycle drop out 1 group of 8 Form A normally open electromechanical relays 20 132V ac 9 1A resistive maximum 20 30V dc 1A resistive maximum 125V dc 8 0 2A resistive maximum Resistive 1 cos 0 1 0 9 20 132V ac 1A 9 20 30V dc 0 2A 125V dc Inductive P F 0 4 cos 0 0 4 0 5A 20 132V ac 1A 20 30V dc L R 7ms 0 1A 125V dc 7ms 0 5A 20 132V ac cos 0 0 4 1A 9 20 30V dc L R 7ms 0 1A 125V dc L R 7ms 132W ac maximum for 132V ac resistive output 30W dc maximum for 30V dc resistive output 25W dc maximum for 125V dc resistive output 66VA maximum for 132V ac inductive output 30VA maximum for 30V dc inductive output 12 5VA maximum for 125V dc inductive output 10mA per output 5ms 1ms typical 1ms 1Hz 60 cpm maximum rated output current 10Hz 600 cpm minimum rated output current 2 from snubber across contacts 100K operations minimum rated loads 5 Appendix A Specifications A 6 1791 8AR Series B Specifications General Specifications External Power Internally protected no external fuse required Voltage Current Dimensions Inches Millimeters Isolation Power supply to RIO Group to Group Group to Logic Between open contacts Power Dissipation Maximum Thermal Dissipation Maximum Environmental Conditions Operational Temperature Sto
39. X 98D 500V ac 500V ac 500V ac 16 3 Watts 55 6 BTU hr 0 to 60 C 32 to 140 F 40 to 85 C 40 to 185 F 5 to 95 noncondensing 14 gauge 2mm stranded maximum 3 64 inch insulation maximum 21 You use this conductor category information for planning conductor routing as described in the system level 1791 0B32 Specifications Output Specifications Outputs per Block Output Voltage Range Output Current Rating Vertical Mtg Horizontal Mtg Surge Current Minimum On state Current Maximum On state Voltage Drop Off state Leakage Current maximum Output Signal Delay General Specifications External Power internally protected no external fuse required Voltage Current Inches Millimeters Dimensions Isolation Power supply to RIO Group to Group Group to Logic Power Dissipation Maximum Thermal Dissipation Maximum Environmental Conditions Operational Temperature Storage Temperature Relative Humidity Conductors Wire Size Category 1 level installation manual Specifications 32 4 groups of 8 10 30V dc 500mA 60 C 1A 30 C 250mA 60 C 500mA 30 C 3A for 50ms each repeatable every 2 sec 1 per output 1 0V rated current 0 5mA 0 5ms on 1 0ms off maximum 19 2 30V dc 300mA 6 95H X 4 35W X 3 85D 176 5H X 110 5W X 98D 500V ac 500V ac 500V ac 19 2 Watts 65 5 BTU hr 0 to 60 C 32 to 140 F 40 to 85 C
40. c 32 32 input 0 output 1791 0B32 B 24V dc 32 0 input 32 output 179146BC B 24V dc 16 16 16 input 16 output 1791 24B8 B 24V dc 24 8 24 input 8 output 7 1791 M4BRJB 24V dc 24 8 24 input 8 relay output 1791d0BX 24V dc 64 64 64 sinking input 64 sourcing output 7 179140VX 24V dc 64 64 64 sourcing input 64 sinking output 7 179130BW 24V dc 32 32 32 sinking input 32 sourcing output 1791H0VW 24V dc 32 32 32 sourcing input 32 sinking output 1 Not covered in this manual Refer to individual user manuals for these products 1 1 Chapter 1 Introducing Block I O The blocks are compatible with PLC 29 PLC 39 PLC 5 250 and PLC 59 family programmable controllers and the SLC 5 02 modular controllers Refer to the table below for information on using block I O with various Allen Bradley programmable controllers If You are Using You must use 1771 SN sub l O scanner or PLC 2 family programmable controller 1772 SD and SD2 remote I O scanners PLC 3 family programmable controller PLC 5 family programmable controller Block attaches directly to controller PLC 5 250 programmable controller SLC programmable controller 1747 SN remote I O scanner Figure 1 1 shows the physical features of the block I O Figure 1 1 Major Features of the Block I O Modules 16 Point Block I O 32 Point Block I O 1791 3280 Left Removable E
41. e Humidity Conductors Wire Size Category 1 system level installation manual 8 1 group of 8 10 30V dc 11 0mA 30V 2 5mA 9 10V 5V dc 1 5mA 3 4K ohms 1 0ms on 5 0ms off maximum 1 0ms on 18 0ms off maximum 8 1 group of 8 10 30V dc 500mA 9 609C 1A 9 309C 250mA 9 609C 500mA 2 309C for 50ms each repeatable every 2 sec 1 per output 1 0V 9 rated current 0 5mA 0 5ms on 1 0ms off maximum 19 2 30V dc 300mA 6 95H X 2 7W X 3 85D 176 5H X 68 8W X 98D 500V ac 500V ac 500V ac 11 8 Watts 41 0 BTU hr 0 to 60 C 32 to 140 F 40 to 85 C 40 to 185 F 5 to 95 noncondensing 14 gauge 2mm stranded maximum 3 64 inch insulation maximum 21 You use this conductor category information for planning conductor routing as described in the A 9 Appendix A Specifications 10 1791 8BR Series B Specifications Input Specifications Inputs per Block On state Voltage Range On state Current Maximum Minimum Off state Voltage Maximum Off state Current Minimum Input Impedance Maximum Input Signal Delay Fast Slow Output Specifications Outputs per Block Output Voltage Range load dependent Output Current Rating at rated power 3 Surge Current at rated power with inductive loads 3 Power Rating continuous and surge loads Contact Load Minimum Operate Release Time Bounce Time Maximum Switching Frequency Maximum for contact cooling
42. e Size 14 gauge 2mm stranded maximum 3 64 inch insulation maximum Category 1 1 You use this conductor category information for planning conductor routing as described in the system level installation manual Specifications 1791 0A16 Series B Specifications Output Specifications Outputs per Block Output Voltage Range Output Current Rating Vertical Mtg Horizontal Mtg Surge Current Minimum On state Current Maximum On state Voltage Drop Off state Leakage Current maximum Output Signal Delay Off to on On to off General Specifications External Power Internally protected no external fuse required Voltage Current Inches Millimeters Dimensions Isolation Power supply to RIO Group to Group Group to Logic Power Dissipation Maximum Thermal Dissipation Maximum Environmental Conditions Operational Temperature Storage Temperature Relative Humidity Conductors Wire Size Category 1 installation manual 16 2 groups of 8 20 132 ac 47 63Hz 300mA 9 609C 600mA 2 309C 150mA 60 C 300mA 30 C 10A for 50ms each repeatable every 2 sec 50mA per output 1 5V peak 300mA 3mA 1 0ms 9 60Hz 1 0ms 50Hz 8 3ms 60Hz 10 0ms 50Hz 85 132V ac 47 63Hz 150mA 6 95H X 2 7W X 3 85D 176 5H X 68 8W X 98D 500V ac 1250V ac 1250V ac 16 9 Watts 57 63 BTU hr 0 to 60 C 32 to 140 F 40 to 85 C 40 to 185 F 5 to 95 noncondensin
43. ed fuses 2 8 image table usage 4 5 16 input 16 output modules 4 8 16 point input modules 4 6 16 point output modules 4 6 24 input 8 output modules 4 8 32 point input modules 4 8 32 point output modules 4 7 8 input 8 output modules 4 6 complementary 16 and 32 point modules 4 13 Index 16 point modules 4 11 32 point modules 4 12 one assigned rack number 16 point and 32 point modules 4 12 16 point modules 4 5 32 point modules 4 7 4 11 complementary I O 4 10 indicators location _5 1 input compatibility 2 1 input devices typical 2 1 L LED indicators 5 1 mounting DIN rail 3 4 mounting dimensions 3 3 0 on state voltage and currents 2 3 output circuits dc 2 7 output compatibility 2 5 output currents ac 2 5 R related publications _ 2 remote I O link selecting speed 3 38 remote I O link connector 1 3 remote I O link wiring 3 36 S scanning 1 3 schematics ac output 2 6 dc output 2 7 simplified 2 4 series connections SLC 3 37 simplified schematics 2 4 specifications 1 status indicators 1 3 Index surge suppression 3 34 Switch settings 4 2 complementary I O 4 10 complementary rack 4 4 primary rack 4 3 T terminal block pin numbering 3 5 removal 3 4 termination resistor 3 34 throughput requirements 3 38 troubleshooting chart 5 2 Types of block I O 1 1 types of block I O 2 W wiring connecti
44. er to Table 2 B on page 2 8 1791 0A16 Series B Chassis ground Remote I O Blue wire RIO Gonnecions CLR Clear wire RIO 8 SHD Shield RIO 7 Connections 16 18 20 22 24 out 00 thru out 07 Output 00 thru 07 26 28 30 L1 output supply 10 12 14 L1 output supply 9 11 133 Output PLC out 10 thru out 17 PLC Output 10 thru 17 15 17 19 21 23 SLC out 08 thru out 15 SLC Output 08 thru 15 25 27 29 Connections For internal test only not for customer use Not used 4 5 1 Connect chassis ground to equipment grounding stud These are not internally connected Terminals 10 12 and 14 must be externally connected by customer 3 Terminals 9 11 and 13 must be externally connected by customer Chapter 3 Installing Block I O Figure 3 7 Input Output Wiring Connections for the 1791 8AC Series B PLC and SLC c z o S NOT USED o 5 le 3 _ 39b e o els 5 m gt e E 5 gt L1 amp NOTE COM in connections are internally connected together L1 out connections must be externally connected together to accommodate total amperage Output fusing is recommended Refer to Table 2 B on page 2 8 12390 1 1791 8AC Series B Connections Designation Terminal GND Chassis ground 21 Remote I O BLU Blue
45. ert you to possible injury to people or damage to equipment under specific circumstances ATTENTION Identifies information about practices or circumstances that can lead to personal injury or death property damage or economic loss Attention helps you Identify a hazard Avoid the hazard Recognize the consequences Important Identifies information that is especially important for successful application and understanding of the product Important We recommend you frequently backup your application programs on appropriate storage medium to avoid possible data loss Summary of Changes Summary of Changes Summary of Changes This release of the publication contains updated information on revised labels changed fuse specifications which modules do or do not support complementary I O Manual Organization To help you find new and revised information in this release of the publication we have included change bars as shown to the right of this paragraph 5 1 Table of Contents Summary of Changes S 1 Manual Organization S 1 Using This P 1 Purpose of Manual BUOIBIIGE odores aee ox o ies Vocabulary P 1 Manual Organization About Block WO
46. fications 24 3 groups of 8 10 30V dc 11 0mA 30V 2 5mA 9 10V 5 dc 1 5mA 3 4K ohms 1 0ms on 5 0ms off maximum 1 0ms on 18 0ms off maximum 8 1 group of 8 10 30V dc 500mA 60 C 1A 30 C 250mA 60 C 500mA 30 C 3A for 50ms each repeatable every 2 sec 1mA per output 1 0V rated current 0 5mA 0 5ms on 1 0ms off maximum 19 2 30V dc 300mA 6 95H X 4 35W X 3 85D 176 5H X 110 5W X 98D 500V ac 500V ac 500V ac 17 1 Watts 58 1 BTU hr 0 to 60 C 32 to 140 F 40 to 85 C 40 to 185 F 5 to 95 noncondensing 14 gauge 2mm stranded maximum 3 64 inch insulation maximum 14 You use this conductor category information for planning conductor routing as described in the system level A 21 Appendix A Specifications A 22 1791 24BR Specifications Input Specifications Inputs per Block On state Voltage Range On state Current Maximum Minimum Offstate Voltage _ Maximum Off state Current Minimum Input Impedance Maximum Input Signal Delay Fast Slow Output Specifications Outputs per Block Output Voltage Range load dependent Output Current Rating at rated power 3 Surge Current at rated power with inductive loads 3 Power Rating continuous and surge loads Contact Load Minimum Operate Release Time Bounce Time Maximum Switching Frequency Maximum for contact cooling Off state Leakage Current maximum 132V ac Expected Life of
47. g 14 gauge 2mm stranded maximum 3 64 inch insulation maximum 11 You use this conductor category information for planning conductor routing as described in the system level A 3 Appendix A Specifications 1791 8AC Series B Specifications Input Specifications Inputs per Block Nominal Input Current Nominal Input Voltage On state Voltage Range Off state Voltage Maximum On state Current Minimum Off state Current Minimum Input Impedance Maximum Input Signal Delay Off to on On to off Output Specifications Outputs per Block Output Voltage Range Output Current Rating Vertical Mtg Horizontal Mtg Surge Current Minimum On state Current Maximum On state Voltage Drop Off state Leakage Current maximum Output Signal Delay Off to on On to off General Specifications External Power Internally protected no external fuse required Voltage Current Dimensions Inches Millimeters Isolation Power supply to RIO Group to Group Group to Logic Power Dissipation Maximum Thermal Dissipation Maximum Environmental Conditions Operational Temperature Storage Temperature Relative Humidity Conductors Wire Size Category 1 installation manual 1 group of 8 11 0mA 120V ac 79 132V ac 47 63Hz 35V 5mA 79V 60Hz 2 3mA 60Hz 15K ohms 60Hz 1 0ms 26ms maximum allows for 1 2 cycle drop out 1 group of 8 20 132V ac 300mA 609C 600mA 309C 150mA 9 60 300m
48. ge Output fusing is recommended Size fuse according to output load and surge current requirements Chapter 3 Installing Block I O 1791 24AR Series B Connector Terminal Connections L1 Connections 16 18 20 in 00 thru in 07 Input 00 thru 07 22 24 26 28 30 Input COM 1 L2 N Input Common 10 12 14 G 2 L2 N Input Common 9 11 133 PLC in 10 thru in 17 PLC Input 10 thru 17 A ae ie SLC in 08 thru in 15 SLC Input 08 thru 15 27 29 i Input in 00 thru in 07 Input 00 thru 07 15 9 7 5 1 48 3 L2 N Input Common ee al 21 19 174 utput iG PLC out 00 thru out 07 PLC Output 00 thru 07 16 14 12 10 8 SLC out 00 thru out 07 SLC Output 00 thru 07 6 4 2 For internal test only 4 5 29 27 26 not for customer use T3 customer can use 1 Connect chassis ground to equipment grounding stud These are not internally connected Left connector terminals 10 12 and 14 are internally connected together 3 Left connector terminals 9 11 and 13 internally connected together A Right connector terminals 21 19 and 17 are internally connected together 5 Right connector terminals 22 20 and 18 must be externally connected to accommodate total amperage 8 IN G input module group 1 word 7 IN G 1 input module group plus 1 word 8 OUT G output module group 1 word 3 19 Chapter 3 Installing Block I O Figure 3 14 Input Wiring Connections for
49. gether 3 Terminals 11 and 13 are internally connected together Terminals 19 and 17 are internally connected together 5 Terminals 20 and 18 are internally connected together 6 IN G input module group 7 IN G 1 input module group plus 1 Remote I O Connections 3 25 Chapter 3 Installing Block I O 3 26 Figure 3 19 Output Wiring Connections for the 1791 0B32 Series B CONN USED No CONN USED NOT NO USED CONN 3 3 3 b 1 out 07 1 85 I p D Am 4 lt lt D aE amp amp amp amp amp amp amp lt MI 5 8 4A lt o lt 0 0 0 zi z o 29 Nor USED NO Nor CONN USED wor USED 2 oz n 9c z z RET 3 Vdc Vdc 4 3 Vdc Vdc 4 o o amp e sa o a a gt o A 5 62 Note Vdc 1 connections must be externally connected together to accommodate amperage rating Vdc 2 connections must be externally connected together to accommodate amperage rating Vdc 3 connections must be externally connected
50. h PLC family programmable controllers This includes the following setting the configuration switches addressing the block I O Setting the Configuration Each block I O module has two 8 position switches for setting Switches starting I O group rack number communication rate last chassis last state complementary I O input filter speed dc inputs only processor restart lockout These switches are accessible by opening the clear plastic door on the front of the module Figure 4 1 ATTENTION Cycle power to the block I O module after setting the switches 4 1 Chapter 4 Configuring Your Block for PLC Family Programmable Controllers Figure 4 1 Switch Settings for the ac and dc Block I O Modules 16 point illustrated SW2 8 1791 16B0 Notused 24V dc INPUT Default Switch SS Settings 0 dc Applications Filter Speed Select Slow Note For inputs only ac Applications SW2 7 Not Used SW2 6 Lastl O Group 0 Not last rack 1 Last rack Processor Restart Lockout PRL Processor Restart Processor Lockout SW2 4 Hold Last State 0 Reset Outputs 1 Hold Last State 1 SW2 3 Complementary 1 0 Non Completed Systems 2 3 4 5 6 7 8 1 Open cover to access switches See Note mu Communication Rate End View ATTENTION Cycle power to the module after setting the switches NOTE O
51. he configuration switches and address Family Programmable Controllers the block I O Troubleshooting the indicators to troubleshoot your block Appendix A Specifications for the block I O modules P 1 Preface Using This Manual About Block I O Block I O consists of small self contained remote I O devices complete with power supply programmable controller interface input output connections and signal conditioning circuitry Table P A is a list of block I O modules covered in this publication Table P A Types of Discrete Block I O Catalog Number Voltage Description 1791 16A0 B 120Vac 16 input ac block module 1791 0A16 B 120Vac 16 output ac block I O module 7 1791 8 120Vac 8 input 8 output ac block I O module 1791 8 120Vac 8 input 8 relay output ac block I O module 7 1791 32A0 B 120Vac 32 input 0 output ac block I O module 1791 0A32 B 120Vac 0 input 32 output ac block I O module 179136ACB 120Vac 16 input 16 output ac block I O module 1791 2448 8 120Vac 24 input 8 output ac block I O module 1791 24 120Vac 24 input 8 relay output ac block module 1791 16808 24Vdc 16 input dc block module 791 0B16 B 24Vdc 16 output dc block I O module 1791HBOBB 24V dc 8 input 8 output dc block module 1791dBRB _ 24V dc 8 input 8 relay output dc block I O module 1791 32B0B 24V dc 32 input 0 output dc block I O module
52. ing Connections for the 1791 8BR Series B PLC and SLC USED BLU SHD NOT USED USED aE T out in o gt 0 0 p 30 out pum EIN NOTE RET in connections are internally connected together out connections must be externally connected together to accommodate amperage rating Output fusing is recommended Refer to Table 2 B on page 2 8 12399 1 1791 8BR Series Connections Connections 16 18 20 22 24 ii in 00 thru in 07 Input 00 thru 07 6 28 30 ac or dc Output Supply 11 133 Output out 00 thru out 07 Output 00 thru 07 15 A 23 For internal test only not Connect chassis ground to equipment grounding stud These are not internally connected Terminals 12 and 14 are internally connected Terminals 11 and 13 must be externally connected by customer to accommodate amperage rating e e 8 3 23 Chapter 3 Installing Block I O 3 24 Figure 3 18 Input Wiring Connections for the 1791 32B0 Series B zl S z o 29 NOT usen NO USED NO CONN NOT USED NO CONN NOT USED c oz 85 95 m z o ot m o gt m 9 D D mje m mr D gt 5 ala 5 A ED ep 29 Nor U
53. ingapore e Slovakia e Slovenia e South Africa Republic e Spain Switzerland e Taiwan Thailand The Netherlands Turkey United Arab Emirates e United Kingdom United States Uruguay Venezuela Yugoslavia World Headquarters Allen Bradley 1201 South Second Street Milwaukee WI 53204 USA Tel 1 414 382 2000 Fax 1 414 382 4444 Publication 1791 6 5 3 March 1994 PN 955117 24 Supersedes publication 1791 6 5 3 dated August 1993 Copyright 1994 Allen Bradley Company Inc Printed in USA
54. ired Voltage Current Dimensions Inches Millimeters Isolation Power supply to RIO Group to Group Group to Logic Power Dissipation Maximum Thermal Dissipation Maximum Environmental Conditions Operational Temperature Storage Temperature Relative Humidity Conductors Wire Size Category 1 installation manual 32 4 groups of 8 11 0mA 120V ac 79 132V ac 47 63Hz 35V 5mA 79V 60Hz 12 3mA 132V 60Hz 2 3mA 60Hz 15K ohms 9 60Hz 1 0ms 26ms maximum allows for 1 2 cycle dropout 85 132 ac 47 63Hz 150mA 6 95H X 4 35W X 3 85D 176 5H X 110 5W X 98D 500V ac 1250V ac 1250V ac 13 62 Watts 46 44 BTU hr 0 to 60 C 32 to 140 F 40 to 85 C 40 to 185 F 5 to 95 noncondensing 14 gauge stranded maximum 3 64 inch insulation maximum 11 You use this conductor category information for planning conductor routing as described in the system level 1791 0A32 Specifications Output Specifications Outputs per Block Output Voltage Range Output Current Rating Vertical Mtg Horizontal Mtg Surge Current Minimum On state Current Maximum On state Voltage Drop Off state Leakage Current maximum Output Signal Delay Off to on On to off General Specifications External Power internally protected no external fuse required Voltage Current Inches Millimeters Dimensions Isolation Power supply to RIO Group to Group Group to Logic Power Dissipati
55. m 14 Surge limiting circuitry is not provided in the module For reliable operation you must ensure that surges do not exceed either the voltage or current rating of the module Spikes peaks and surges must be within the power rating specifications Do not attempt to parallel outputs to increase load current The output that turns on fastest would carry the full load current Youuse this conductor category information for planning conductor routing as described in the system level installation manual 17 Appendix A Specifications 18 1791 3280 Specifications Input Specifications Inputs per Block On state Voltage Range On state Current Maximum Minimum Offstate Voltage _ Maximum Off state Current Minimum Input Impedance Maximum Input Signal Delay Fast Slow General Specifications External Power internally protected no external fuse required Voltage Current Dimensions Inches Millimeters Isolation Power supply to RIO Group to Group Group to Logic Power Dissipation Maximum Thermal Dissipation Maximum Environmental Conditions Operational Temperature Storage Temperature Relative Humidity Conductors Wire Size Category 1 installation manual 32 4 groups of 8 10 30V de 11 0mA 30V 2 5mA 9 10V 5 dc 1 5mA 3 4K ohms 1 0ms on 5 0ms off maximum 1 0ms on 18 0ms off maximum 19 2 30V dc 300mA 6 95H X 4 35W X 3 85D 176 5H X 110 5W
56. m D 85 gt 4 m Io m SS ass RET Vdc RET 2 RET 4 ES z Le out 01 Elen zd L H out 03 Im in 05 nut 06 no 5 nt irs out 07 m CD 29 NOT USED NO CONN NOT USED NOT CONN 5 o oz z 2zls 2 USED Vdc RET 4 3 Vdc RET 4 3 2 2 2 8 2 e e 2 e a 57 2 o sty NOTE RET 1 connections are internally connected together RET 2 connections are internally connected together RET 3 connections are internally connected together 4 connections must be externally connected together to accommodate amperage rating Output fusing is recommended Refer to Table 2 B on page 2 8 3 30 Chapter 3 Installing Block I O C 1791 2488 Series Connector Terminal nnection Connections oe Clear wire RIO SHD Shield RIO 7 Connections PLC in 00 thru 07 PLC Input 00 thru 07 16 18 20 SLC in 00 thru 07 SLC Input 00 thru 07 E d Input RET 1 dc input return 12 14 PLC 10 thru 17 PLC Input 10 thru 17 15 17 19 2 21 23 25 SLC in 08 thru 15 SLC Input 08 thru 15 27 29 PLC 00 thru 07 PLC Input 00 thru 07 15 13 11 9 Input SLC in 00 thru 0
57. nly block I O modules with all inputs or all outputs can use complementary 1 0 Series A block I O modules do not support complementary 1 0 If using series A modules set SW1 3 thru 8 Rack Address Refer to Table 4 F for settings Starting Quarter this switch to 0 3 e Module Group Set switch SW2 3 to 0 if this rack will have a unique address complemented If this rack address is a 159 duplicate of another I O block or chassis set the switch to 2 2nd 1 for primary or 0 for complementary Refer to Table 4 G 4 3rd for the complementary I O rack address 6 4th 12403 1 4 2 Chapter 4 Configuring Your Block for PLC Family Programmable Controllers Table 4 F Switch Settings for Block Primary Rack 1747 SN 1771 SN PLC 5 250 SW1 Switch Position Rack Rack Rack Number Number Number Rack 5 Rack 5 Rack 4 Rack 4 Rack 4 Rack 6 Rack 6 Rack 5 Rack 5 0 Rack 7 Rack 7 Rack 6 Rack 6 Rack 6 0 0 15 15 15 0 1 0 Rack 17 Rack 17 0 Rack 20 Rack20 Rack20 0 0 Rack 22 Rack 22 Rack22 0 Rack 23 Rack23 Rack23 0 Rack 24 0 Rack 25 25 Rack25 0 Rack 26 26 Rack26 0 Rack 27 0 Rack30 Rack 30_ 0 0 Raras ECESE Ras Pakas 0 Parae 0_ 0 Rack 43 Rack 47 S
58. nnector Terminal ti Connections Chassis ground CLR Clear wire RIO 8 SHD Shield RIO 7 Connections PLC 00 thru 07 PLC Input 00 thru 07 16 18 20 22 SLC in 00 thru 07 SLC Input 00 thru 07 24 26 28 30 Input RET 1 dc input return 12 14 G S PLC in 10 thru 17 PLC Input 10 thru 17 15 17 19 21 SLC in 08 thru 15 SLC Input 08 thru 15 23 25 27 29 PLC out 00 thru 07 PLC Output 00 thru 07 15 13 11 9 SLC out 00 thru 07 SLC Output 00 thru 07 7 5 3 1 SLC out 08 thru 15 SLC Output 08 thru 15 10 8 6 4 2 wn For internal test only 4 5 9 10 29 27 26 not for customer use No Conn No internal connection 30 28 25 customer can use 24 23 1 Connect chassis ground to equipment grounding stud These are not internally connected 2 Terminals 12 and 14 are internally connected 3 Terminals 11 and 13 are internally connected 4 Terminals 17 and 19 must be externally connected by customer to accommodate amperage rating 5 Terminals 20 and 18 must be externally connected by customer to accommodate amperage rating 8 IN input module group 7 OUT G output module group Remote I O Connections 3 29 Chapter 3 Installing Block I O Figure 3 21 Input Output Wiring Connections for the 1791 24B8 Series B 9 NOT CONN CONN CONN RET 4 PLC oz c DB m o r
59. nnector terminals 10 12 and 14 are internally connected together 3 Left connector terminals 9 11 and 13 are internally connected together 4 Right connector terminals 21 19 and 17 are internally connected together 5 Right connector terminals 22 20 and 18 must be externally connected to accommodate total amperage 6 IN G input module group 1 word 7 IN 0 1 input module group plus 1 word 8 OUT G output module group 1 word 3 17 Chapter 3 Installing Block I O 3 18 Figure 3 13 Input Output Wiring Connections for the 1791 24AR Series B o CONN usEp NO 8 8 o z z USED NOT USED CONN NO CONN 314 e Q 5 5 e o gt o e a o a s H E S oz 2 UsEp NO z o z z USED USED CONN NO NO CONN CONN 4 OM ac dc 4 L1 L2 N o 63 NOTE 1 connections are internally connected together COM 2 connections are internally connected together COM 3 connections are internally connected together 4 connections must be externally connected together to accommodate maximum ampera
60. ns are internally connected together COM 2 connections are internally connected together L1 3 connections must be externally connected together to accommodate total amperage L1 4 connections must be externally connected together to accommodate total amperage Output fusing is recommended Refer to Table 2 B on page 2 8 3 14 Chapter 3 Installing Block I O 1791 16AC Series B Connector Terminal Connections Power Connections ou f ew ow 3 Connections 16 18 20 in 00 thru in 07 Input 00 thru 07 22 24 26 28 30 Input COM 1 L2 N Input Common 10 12 142 G COM 2 L2 N Input Common 9 11 133 PLC in 10 thru in 17 PLC Input 10 thru 17 15 17 19 SLC in 08 thru in 15 SLC Input 08 thru 15 EO PLC out 00 thru 07 PLC Output 00 thru 07 15 13 11 SLC out 00 thru 07 SLC Output 00 thru 07 9 7 5 3 1 6 PLC out 10 thru 17 PLC Output 10 thru 17 16 14 12 SLC out 08 thru 15 SLC Output 08 thru 15 10 8 6 4 2 For internal test only 45 29 27 26 not for customer use No Conn No internal connection 30 28 25 customer can use 24 23 1 Connect chassis ground to equipment grounding stud These are not internally connected Terminals 10 12 and 14 are internally connected together 3 Terminals 9 11 and 13 are internally connected together Terminals 17 19 and 21 must be externally connected by customer to accommodate total amperage 5 Terminals 18 20 and
61. ntal Conditions Operational Temperature Storage Temperature Relative Humidity Conductors Wire Size Category 1 System level installation manual 16 2 groups of 8 10 30V dc 11 0mA 30V 2 5mA 10V 5 dc 1 5mA 3 4K ohms 1 0ms on 5 0ms off maximum 1 0ms on 18 0ms off maximum 19 2 30V dc 300mA 6 95H X 2 7W X 3 85D 176 5H X 68 8W X 98D 500V ac 500V ac 500V ac 14 3 Watts 48 7 BTU hr 0 to 60 C 32 to 140 F 40 to 85 C 40 to 185 F 5 to 95 noncondensing 14 gauge 2mm stranded maximum 3 64 inch insulation maximum 21 You use this conductor category information for planning conductor routing as described in the 7 Appendix A Specifications 1791 0B16 Series B Specifications Output Specifications Outputs per Block Output Voltage Range Output Current Rating Vertical Mtg Horizontal Mtg Surge Current Minimum On state Current Maximum On state Voltage Drop Off state Leakage Current maximum Output Signal Delay General Specifications External Power internally protected no external fuse required Voltage Current Dimensions Inches Millimeters Isolation Power supply to RIO Group to Group Group to Logic Power Dissipation Maximum Thermal Dissipation Maximum Environmental Conditions Operational Temperature Storage Temperature Relative Humidity Conductors Wire Size Category 1 system level installation manual 16 2 group
62. ock I O with 16 or 32 point Complementary Output Block I O Install terminating resistor on last block 10833 1 4 9 Chapter 4 Configuring Your Block for PLC Family Programmable Controllers Remote rack numbers which can have a complementary rack are rack numbers 01 thru 07 only Table 4 H When configured as complementary I O PLC 2 can scan racks 01 07 PLC 5 11 can scan rack 03 PLC 5 20 PLC 5 30 PLC 5 40 PLC 5 60 can scan racks 01 07 Table 4 H PLC 2 and PLC 5 With Complementary I O PLC 2 PLC 5 SW1 Switch Position Rack Rack Number Number EARRA 6 5 Rack3 Rack2 0 0 Racks 0 fo o i 1 Rack5 Rack 4 0 0 1 1 0 0 0 0 1 0 1 Rack 6 Rack 5 1 0 7 6 0 1 1 0 Figure 4 12 Image Table for One Assigned Rack Number with Series B 16 point Modules using Complementary I O Input Image 15 87 0 SLC 17 10 7 0 PLC er aet i 1 Rack 1791 16 0 1791 0816 1791 16 0 1791 0816 1791 16 0 1791 1680 1791 16 0 Output Image 87 Elm SB eS __ SEES O Chapter 4 Configuring Your Block for PLC Family Programmable Controllers Figure 4 13 Input Output Image Table Usage Example for One Group for Series B 16 point Outp
63. oint Block I O Modules 32 point Block I O Modules 3 3 Chapter 3 Installing Block I O Figure 3 2 Mounting on a DIN Rail 1 Hook top of slot over DIN rail Z 2 While pressing block against rail 0 pull down on locking lever 3 When block is flush against rail DIN Rail push up on locking lever s to A B Pt No 199 DR1 secure block to rail 46271 3 EN 50022 85 x 7 5mm Locking Lever Locking levers 32 point Block I O Module 16 point Block Module 123821 Connecting Wiring Make wiring connections to the removable terminal block which plugs into the front of the block ATTENTION The terminal blocks are not keyed to prevent A incorrect insertion If you remove a terminal block make certain that each terminal block is inserted with the lower row of screws on the outside of the block positioned toward the outside of the module Figure 3 3 Removing the Terminal Block To remove terminal strip unscrew the 2 captive screws and pull terminal strip out Repeat for second terminal strip on 32 point modules 32 point Block I O Module 16 point Block Module 12383 1 3 4 Chapter 3 Installing Block I O Figure 3 4 Terminal Block Pin Numbering
64. olenoids motors and is in series with or parallel to a hard contact such as pushbuttons selector switches By adding a suppression device directly across the coil of an inductive device you will prolong the life of the output devices and switch contacts Figure 3 24 shows an output module with a suppression device Chapter 3 Installing Block I O Figure 3 24 Connecting Surge Suppression Devices u GND NOT USED NOT USED BLU SHD COM Ed out in COM out Ed Load 12346 1 The impedance characteristic is the most important factor in selecting suppression device thus no single suppression device can be recommended for every possible load Table 3 C shows acceptable Allen Bradley suppression devices and their catalog numbers for typical loads Table 3 C Allen Bradley Suppression Devices Suppression Device Catalog Number Motor Starter Bulletin 509 599 K041 Relay Bulletin 700 Type N or P 700 N24 Miscellaneous 700 N24 1 Maximum coil voltage 150V ac or dc Bulletin 700 N24 is a universal surge suppressor You can use it on electromagnetic devices with the limitation 0135 sealed VA 150V 3 35 Chapter 3 Installing Block I O Remote 1 0 Link Wiring Blocks must be wired in series as shown in Figure 3 25 or Figure 3 26 Do not attempt to wire any block in parallel The number of blocks used depends not only on the user re
65. on Maximum Thermal Dissipation Maximum Environmental Conditions Operational Temperature Storage Temperature Relative Humidity Conductors Wire Size Category 1 system level installation manual Specifications 32 4 groups of 8 20 132 ac 47 63Hz 300mA 9 609C 600mA 2 309C 150mA 2 609C 300mA 9 300 10A for 50ms each repeatable every 2 sec 50mA per output 1 5V peak 300mA 3mA 1 0ms 9 60Hz 1 0ms 50Hz 8 3ms 60Hz 10 0ms 50Hz 85 132V ac 47 63Hz 150mA 2 132V ac 6 95H X 4 35W X 3 85D 176 5H X 110 5W X 98D 500V ac 1250V ac 1250V ac 31 3 Watts 106 73 BTU hr 0 to 60 C 32 to 140 F 40 to 85 C 40 to 185 F 5 to 95 noncondensing 14 gauge stranded maximum 3 64 inch insulation maximum 1 You use this conductor category information for planning conductor routing as described in the 13 1791 16AC Specifications Input Specifications Inputs per Block Nominal Input Current Nominal Input Voltage On state Voltage Range Off state Voltage Maximum On state Current Minimum Maximum Off state Current Minimum Input Impedance Maximum Input Signal Delay Off to on On to off Output Specifications Outputs per Block Output Voltage Range Output Current Rating Vertical Mtg Horizontal Mtg Surge Current Minimum On state Current Maximum On state Voltage Drop Off state Leakage Current maximum Output Signal Delay Off to on On to off
66. ons 3 4 1791 0A16 3 7 1791 0A32 3 12 1791 0B16 3 21 1791 0B32 3 26 1791 16A0 3 6 1791 16AC 3 14 1791 16B0 3 20 1791 16BC 3 28 1791 24A8 3 16 1791 24AR 3 18 1791 24B8 3 30 1791 24BR 3 32 1791 32A0 3 10 1791 32B0 3 24 1791 8AC 3 1791 8AR 1791 8BC 1791 8BR pe gt o 2v ALLEN BRADLEY Allen Bradley has been helping its customers improve productivity and quality for 90 years ROCKWELL INTERNATIONAL COMPANY A B designs manufactures and supports a broad range of control and automation products worldwide They include logic processors power and motion control devices man machine interfaces and sensors Allen Bradley is a subsidiary of Rockwell International one of the world s leading technology companies With major offices worldwide Algeria e Argentina Australia e Austria Bahrain e Belgium e Brazil e Bulgaria e Canada Chile China Colombia Costa Rica Croatia e Cyprus e Czech Republic e Denmark e Ecuador Egypt e El Salvador Finland e France Germany e Greece e Guatemala e Honduras Hong Kong Hungary e Iceland India Indonesia e Israel e Italy e Jamaica e Japan Jordan Korea e Kuwait e Lebanon Malaysia Mexico New Zealand Norway Oman Pakistan Peru e Philippines Poland Portugal e Puerto Rico Qatar e Romania e Russia CIS e Saudi Arabia S
67. p y 2s 120V ac Vertical 120V ac Horizontal 120V ac Vertical 1791 24A8 B LI 120V ac Horizontal 24V dc Vertical 1791 0B16 B EU 5 Horizontal 24V dc Vertical mace 1791 16AC B Horizontal 24V dc Vertical 1791 0B32 B for 50ms repeatable every 2s Horizontal 24V dc Vertical 1791 16BC B ELA Horizontal 24V dc Vertical ELLE Horizontal 2 9 Chapter Objectives Pre installation Considerations When using 1771 SN PLC 2 family 1772 SD 1772 SD2 Any PLC 3 scanner module PLC 3 family 1775 S5 or SR5 module PLC 5 11 PLC 5 family PLC 5 15 PLC 5VME 6008 LTV 4 blocks with 150 ohm terminator 57 6K 10 000 cable feet Installing Block I O In this chapter you will learn how to mount the block connect the input and output wiring to the block add surge suppression if required connect remote I O wiring terminate the remote I O link and select remote I O link speed Before installation you must determine the scanner processor to use number of blocks on your network throughput requirements total distance of the installation transmission rate desired external fuses required if any Acceptable combinations are shown in Table 3 A Table 3 A Acceptable Combinations of Processor and Block 1 0 Baud Rate Maximum Used Network Distance 57 6K 10 000 cable feet 115 2K 5 000 cable feet 16 blocks channel 28 blocks scanner 1
68. pply to RIO Group to Group Group to Logic Power Dissipation Maximum Thermal Dissipation Maximum Environmental Conditions Operational Temperature Storage Temperature Relative Humidity Conductors Wire Size Category 19 2 30V dc 300mA 6 95H X 2 7W X 3 85D 176 5H X 68 8W X 98D 500V ac 500V ac 500V ac 14 5 Watts 49 4 BTU hr 0 to 60 C 32 to 140 F 40 to 85 C 40 to 185 F 5 to 95 noncondensing 14 gauge 2mm stranded maximum 3 64 inch insulation maximum 24 Surge limiting circuitry is not provided in the module For reliable operation you must ensure that surges do not exceed either the voltage or current rating of the module Spikes peaks and surges must be within the power rating specifications 3 Do not attempt to parallel outputs to increase load current The output that turns on fastest would carry the full load current Youuse this conductor category information for planning conductor routing as described in the system level installation manual A 11 Appendix A Specifications 12 1791 32A0 Specifications Input Specifications Inputs per Block Nominal Input Current Nominal Input Voltage On state Voltage Range Off state Voltage Maximum On state Current Minimum Maximum Off state Current Minimum Input Impedance Maximum Input Signal Delay Off to on On to off General Specifications External Power internally protected no external fuse requ
69. put module group plus 1 word 15 13 11 9 7 5 3 1 17 19 214 18 20 225 16 14 12 10 8 6 4 2 29 27 26 30 28 25 24 23 Chapter 3 Installing Block I O Figure 3 10 Output Wiring Connections for the 1791 0A32 Series B CONN USED uo CONN USED No USED CONN CONN 1 TS 8 8 2 o z z NOTE 11 1 connections must be externally connected together to accommodate total amperage L1 2 connections must be externally connected together to accommodate total amperage L1 3 connections must be externally connected together to accommodate total amperage L1 4 connections must be externally connected together to accommodate total amperage Output fusing is recommended Refer to Table 2 B on page 2 8 3 12 Chapter 3 Installing Block I O 1791 0A32 Series B Connector Terminal Connections uw 3 Power tral cr ain Connections NI Connections PLC out 00 thru 07 PLC Output 00 thru 07 SLC out 00 thru 07 SLC Output 00 thru 07 28 30 Output L1 output supply 10 12 14 a 15 17 19 PLC out 10 thru 17 PLC Output 10 thru 17 SLC out 08 thru 15 SLC Output 08 thru 15 21 23 25 27 29 Hu 2 L1 output supply 9 11 133 ECCE out 00 thru 07 PLC Output 00 thru 07 15 13 11 9 SLC out 00 thru 07 SLC Outp
70. quirements but also on the system used Refer to Table 3 A page 3 1 for maximum block usage for individual systems Figure 3 25 Series Connection for Block 1 0 Using PLC 2 PLC 3 or PLC 5 Family Programmable Controllers To Programmable Controller i Dg D gi D fne LUN e 5 ES cn 1 1 0 Rack 1 1 0 Rack S Install terminating resistor on last block Chapter 3 Installing Block I O Figure 3 26 Series Configurations for Block I O Using the SLC Programmable Controller To 1747 SN Scanner Module 1 2 15 16 Up to 16 blocks with SLC 5 02 or SLC 5 03 Install terminating resistor 108341 on last block Extended Node Capability If this is the last remote I O adapter on the remote I O link in a PLC system you must use a terminating resistor to terminate both ends of the remote I O link scanner end and last block end The size of the terminator is determined by the system configuration Older system configurations must use a 150 ohm resistor at both ends With newer devices that can support it you can use an 82 ohm termination resistor at both ends The 82 ohm terminators provide extended node capability which allows you to have up to 32 physical devices on the remote I O link The number of logical racks capable of being addressed by the scanner is not affected ATTENTION Devices that are operating at 230 4K baud must have 82 ohm terminators in place for proper operation Chapter 3 Ins
71. rage Temperature Relative Humidity Conductors Wire Size Category 85 132V ac 47 63Hz 150mA 6 95H X 2 7W X 3 85D 176 5H X 68 8W X 98D 500V ac 1250V ac 1250V ac 1000V ac initial 16 5 Watts 56 1 BTU hr 0 to 60 C 32 to 14092 40 to 85 C 40 to 185 F 5 to 95 noncondensing 14 gauge 2mm stranded maximum 3 64 inch insulation maximum 14 Surge limiting circuitry is not provided in the module For reliable operation you must ensure that surges do not exceed either the voltage or current rating of the module 2 Spikes peaks and surges must be within the power rating specifications 3 Do not attempt to parallel outputs to increase load current The output that turns on fastest would carry the full load current 4 You use this conductor category information for planning conductor routing as described in the system level installation manual Specifications 1791 1680 Series B Specifications Input Specifications Inputs per Block On state Voltage Range On state Current Maximum Minimum Off state Voltage Maximum Off state Current Minimum Input Impedance Maximum Input Signal Delay Fast Slow General Specifications External Power internally protected no external fuse required Voltage Current Inches Millimeters Dimensions Isolation Power supply to RIO Group to Group Group to Logic Power Dissipation Maximum Thermal Dissipation Maximum Environme
72. re 3 9 Input Wiring Connections for the 1791 32A0 Series B L2 N 29 ep 60 NOTE COM 1 connections are internally connected together COM 2 connections are internally connected together COM 3 connections are internally connected together COM 4 connections are internally connected together 3 10 Chapter 3 Installing Block I O 1791 32A0 Series B Connector Terminal Connections Connections Right Conn 16 18 20 in 00 thru in 07 Input 00 thru 07 22 24 26 28 30 Input COM 1 L2 N Input Common 10 12 142 G COM 2 L2 N Input Common 9 11 133 PLC in 10 thru in 17 PLC Input 10 thru 17 15 17 19 SLC in 08 thru in 15 SLC Input 08 thru 15 EO in 00 thru in 07 Input 00 thru 07 a Input COM3 L2 N Input Common il G1 L2 N Input Common PLC in 10 thru in 17 PLC Input 10 thru 17 SLC in 08 thru 15 SLC Input 08 thru 15 For internal test only 45 not for customer use customer can use 1 Connect chassis ground to equipment grounding stud These are not internally connected Left connector terminals 10 12 and 14 are internally connected together 3 Left connector terminals 9 11 and 13 internally connected together a Right connector terminals 21 19 and 17 are internally connected together 5 Right connector terminals 22 20 and 18 are internally connected together 8 IN G input module group 1 word 7 IN G 1 in
73. s Operational Temperature Storage Temperature Relative Humidity Conductors Wire Size Category 1 system level installation manual 19 2 30V dc 300mA 6 95H X 4 35W X 3 85D 176 5H X 110 5W X 98D 500V ac 500V ac 500V ac 17 8 Watts 60 6 BTU hr 0 to 60 C 32 to 140 F 40 to 85 C 40 to 185 F 5 to 95 noncondensing 14 gauge 2mm stranded maximum 3 64 inch insulation maximum 21 You use this conductor category information for planning conductor routing as described in the 1791 24B8 Specifications Input Specifications Inputs per Block On state Voltage Range On state Current Maximum Minimum Off state Voltage Maximum Off state Current Minimum Input Impedance Maximum Input Signal Delay Fast Slow Output Specifications Outputs per Block Output Voltage Range Output Current Rating Vertical Mtg Horizontal Mtg Surge Current Minimum On state Current Maximum On state Voltage Drop Off state Leakage Current maximum Output Signal Delay General Specifications External Power internally protected no external fuse required Voltage Current Inches Millimeters Dimensions Isolation Power supply to RIO Group to Group Group to Logic Power Dissipation Maximum Thermal Dissipation Maximum Environmental Conditions Operational Temperature Storage Temperature Relative Humidity Conductors Wire Size Category 1 installation manual Speci
74. s of 8 10 30V dc 500mA 60 C 1A 30 C 250mA 60 C 500mA 30 C 3A for 50ms each repeatable every 2 sec 1 per output 1 0V rated current 0 5mA 0 5ms on 1 0ms off maximum 19 2 30V dc 300mA 6 95H X 2 7W X 3 85D 176 5H X 68 8W X 98D 500V ac 500V ac 500V ac 12 5 Watts 43 0 BTU hr 0 to 60 C 32 to 140 F 40 to 85 C 40 to 185 F 5 to 95 noncondensing 14 gauge 2mm stranded maximum 3 64 inch insulation maximum 21 You use this conductor category information for planning conductor routing as described in the Specifications 1791 8BC Series B Specifications Input Specifications Inputs per Block On state Voltage Range On state Current Maximum Minimum Off state Voltage Maximum Off state Current Minimum Input Impedance Maximum Input Signal Delay Fast Slow Output Specifications Outputs per Block Output Voltage Range Output Current Rating Vertical Mtg Horizontal Mtg Surge Current Minimum On state Current Maximum On state Voltage Drop Off state Leakage Current maximum Output Signal Delay General Specifications External Power internally protected no external fuse required Voltage Current Inches Millimeters Dimensions Isolation Power supply to RIO Group to Group Group to Logic Power Dissipation Maximum Thermal Dissipation Maximum Environmental Conditions Operational Temperature Storage Temperature Relativ
75. sED NO NOT USED NO CONN No NO CONN CONN nor wor USED USED ET 3 ET 3 1 in 15 in 07 NOTE RET 1 connections are internally connected together RET 2 connections are internally connected together RET 3 connections are internally connected together RET 4 connections are internally connected together p c 5 2 m gt m z z D 5 5 gt 5 29 69 Chapter 3 Installing Block I O C 1791 32B0 Series Connector Terminal ti Connections Chassis ground CLR Clear wire RIO 8 SHD Shield RIO 7 Connections PLC in 00 thru 07 PLC Input 00 thru 07 16 18 20 SLC in 00 thru 07 SLC Input 00 thru 07 E d Input RET 1 dc input return 12 14 G 6 PLC in 10 thru 17 PLC Input 10 thru 17 15 17 19 2 21 23 25 SLC in 08 thru 15 SLC Input 08 thru 15 27 29 PLC 00 thru 07 PLC Input 00 thru 07 15 13 11 9 SLC in 00 thru 07 SLC Input 00 thru 07 7 5 3 1 G 1 10 17 PLC Input 10 thru 17 16 14 12 SLC in 08 thru 15 SLC Input 08 thru 15 10 8 6 4 2 For internal test only 29 27 26 No internal connection 30 28 25 1 Connect chassis ground to equipment grounding stud These are not internally connected Terminals 12 and 14 are internally connected to
76. ssor with 82 ohm terminator and extended node addressing 5 000 cable feet 2 500 cable feet PLC 5 family continued 16 blocks channel 32 blocks per 10 000 cable feet processor with 150 ohm terminator 5 000 cable feet PLC 5 40 10 000 cable feet 32 blocks channel 60 blocks per processor with 82 ohm terminator and extended node addressing 5 000 cable feet 2 500 cable feet PLC 5 40L 16 blocks channel 64 blocks per processor with 150 ohm terminator PLC 5 60 32 blocks channel 92 blocks per processor with 82 ohm terminator and extended node addressing 16 blocks channel 32 blocks per processor with 150 ohm terminator 115 2K 5 000 cable feet 10 000 cable feet 5 000 cable feet 10 000 cable feet 5 000 cable feet 2 500 cable feet 57 6K 10 000 cable feet PLC 5 60L 57 6K _ 10 000 cable feet 32 blocks channel 64 blocks per processor with 82 ohm terminator 5 000 cable feet and extended node addressing 2 500 cable feet 3 2 Chapter 3 Installing Block I O Baud Rate Maximum When using Maximum Capacity Network Distance 16 blocks channel 32 57 6K 10 000 cable feet blocks scanner 128 blocks with 4 scanners with 150 ohm terminator bine and extended node addressing 115 2K 5 000 cable feet 5 250 requires PLC 5 family continued a 5150 RS remote scanner 32 blocks channel 32 57 6K 10 000 cable feet blocks scanner 128 blocks with 4 115 2K 5 000 cable feet scanners
77. t 1987 1 0 Rack Number 1 0 Group Number Rack Number 1 0 Group Number no mj 7 6 js j2 hito Starting 111 17 16 15 14 13 12 1 0 6 5 8 2 1 0 nput Image 1 0 Block Data 2 010 Reserved Reserved Output Image 011 Block Data 10838 1 Figure 4 9 Input Output Image Table Usage Example for One Starting 1 0 Group for 16 Input 16 Output Modules cat no 1791 16AC 16BC PLC 2 Example 1 1 0 00 PLC 3 PLC 5 PLC 5 250 Example 10 00 Type of I O J Type of I O B 1 Input Input 0 Output Output Bit Rack Number 1 0 Group Number Rack Number Group Number vo s spp 4 TS TE T2 D T Input Starting Reserved nput Image in Block Data 011 Reserved Block Data 10838 1 Figure 4 10 Input Output Image Table Usage Example for One Starting 1 0 Group for 24 Input 8 Output Modules cat no 1791 24A8 24B8 24AR 24BR PLC 2 Example 1 1 0 00 PLC 3 PLC 5 PLC 5 250 Example 10 00 Type of I O Type of I O 1 Input i Input 0 Output Bit O Output Bit 1 0 Rack Number Group Number Rack Number Group Number sof e of gt vro 110 111 Input Image s Block Data ae 010 Reewd 7 6 5 4 2 1 Output Image 011 Reserved Block Data 10838 1 4 8 Chapter 4 Configuring Your Block for PLC
78. talling Block I O Compatibility of 1771 I O Certain products are not compatible with extended node capabilities Products with Extended obtained with the use of 82 ohm terminators Table 3 D lists those products Node Numbers that are not compatible Table 3 D Non compatible Products Device Series Scanners 1771 SN All 1772 SD All 1772 SD2 All 1775 SR All 1775 S4A All 1775 S4B All Adapters 1771 AS All 1771 ASB Series A 1771 DCM All Miscellaneous 1771 AF All 1771 AF1 All Selecting Remote Link The remote I O link can operate at three speeds 57 6K 115 2K or 230 4K Speed bits s The selection of link speed is dependent on the scanner processor used throughput requirements distance required and the type of remote I O devices being used Throughput Requirements The throughput a portion of which is I O scan time must be balanced against the distance requirements for the application The typical discrete I O scan time is shown in Table 3 E below Use these values along with your processor scanner manual to determine system throughput Table 3 E 1 0 Scan Time vs Remote I O Link Distance 57 6K Bits s 115 2K Bits s 230 4K Bits s Typical Discrete I O Scan Time each block Remote 1 O link distance 10 000 ft 5 000 ft 2 500 ft 10ms 7 0ms 3ms Configuring Your Block I O for PLC Family Programmable Controllers Chapter Objectives In this chapter you will learn how to configure your block I O when used wit
79. tarti Block Data SNP oto 17 ie 15 14 13 r2 v s 2 on L17 se 15 14 13 v2 e 5 a oj 2 150 Block Data 108384 Input Image used by Input Module Output Image used by output module Troubleshooting Chapter Objectives In this chapter you will learn about the indicators on the block I O module and how to use them to troubleshoot the unit Indicators Each block I O module has indicators Figure 5 1 which provide indication of module status Each module has the following Description Indicates whether communication is occurring between processor or scanner and the block module Indicates hardware or software error and if communication has failed Status Red 16 Reflect the state of the individual inputs and or outputs on or off Figure 5 1 shows the location of the indicators Refer to Table 5 A for status indications reported by the indicators Figure 5 1 Indicators on the Block I O Module Communication Indicator green Communication Indicator 2 green 16 Input Output 32 peu Status Indicators Indicators red red STATUS STATUS N Fault Status N Fault Status Indicator Indicator red red 16 point Block 32 point Block 12404 1 5 1 Chapter 5 Troubleshooting Table 5 A Troubleshooting Chart Indication Probable Cause Corrective
80. the 1791 1680 Series B NOTE Ret 1 connections are internally connected together Ret 2 connections are internally connected together 1791 16B0 Series B 24V dc Power 1 bien RETO Connections Chassis ground 21 Blue wire RIO 6 Remote I O Clear wire RIO 8 Connections Connections in 00 thru in 07 Input 00 thru 07 16 18 20 22 24 26 28 30 Input 1 1 Input Common 12 14 RET 2 RET 2 Input Common 11 138 Input PLC in 10 thru in 17 PLC Input 10 thru input 17 SLC in 08 thru in 15 SLC Input 08 thru input 15 15 17 19 21 28 25 27 29 Not Used For internal test only not for customer use Connections 4 5 9 10 1 Connect chassis ground to equipment grounding stud These are not internally connected Terminals 12 and 14 are internally connected 3 Terminals 11 and 13 are internally connected 3 20 Chapter 3 Installing Block I O Figure 3 15 Output Wiring Connections for the 1791 0B16 Series B ELE Sic 2 NOT 24 USED 1 RIO EB adu dc 2 Em 0 Note Vdc 1 connections must be externally connected together to accommodate amperage rating Vdc 2 connections must be externally connected together to accommodate amperage rating Output fusing is recommended Refer to Table 2 B on page 2 8 1791 0B16 Series B Connections Designation Description Terminal No Power 24 24
81. together to accommodate amperage rating Vdc 4 connections must be externally connected together to accommodate amperage rating Output fusing is recommended Refer to Table 2 B on page 2 8 Chapter 3 Installing Block I O C 1791 0B32 Series B Connector Terminal ti Connections Chassis ground CLR Clear wire RIO 8 SHD Shield RIO 7 Connections PLC out 00 thru 07 PLC Output 00 thru 07 16 18 20 22 SLC out 00 thru 07 SLC Output 00 thru 07 24 26 28 30 Vdc 1 24 dc output supply 12 14 Output RET 1 dc output return 10 G PLC out 10 thru 17 PLC Output 10 thru 17 15 17 19 21 SLC out 08 thru 15 SLC Output 08 thru 15 23 25 27 29 24V dc output supply 11 133 PLC out 00 thru 07 PLC Output 00 thru 07 15 13 11 SLC out 00 thru 07 SLC Output 00 thru 07 9 7 5 3 1 G 1 out 10 thru 17 PLC Output 10 thru 17 16 14 12 SLC out 08 thru 15 SLC Output 08 thru 15 10 8 6 4 2 wr 72 For internal test only 4 5 29 27 26 not for customer use No Conn internal connection 30 28 25 customer can use 24 23 1 Connect chassis ground to equipment grounding stud These are not internally connected Terminals 12 and 14 must be externally connected by customer to accommodate amperage rating 3 Terminals 11 and 13 must be externally connected by customer to accommodate amperage rating Terminals 19 and 17 must be externally connected by c
82. uld any other device Figure 1 2 The block looks like a 1 4 I O rack to the processor and uses two words of input image table memory and two words of output image table memory The block is addressed directly on the remote I O link Input and output data is scanned asynchronously and transferred back and forth between the block and the controller input and output image table Figure 1 2 Block I O Connection in a PLC System Blocks are daisy chained to a programmable controller or a scanner Block 1 0 each block is 1 4 rack 10828 1 Chapter Objectives Input Compatibility I O Interface and System Design In this chapter you will learn what is compatible with block I O how to determine what devices to use and what fuse to use for outputs Block I O inputs convert ac or dc signals from user devices to the appropriate logic level for use within the processor Typical input devices include proximity switches a limit switches selector switches float switches pushbutton switches AC block output modules are compatible with 1771 series input modules that require greater than 3mA for the off state current A 1771 I O input module that meets these specifications is cat 1771 1016 ac isolated input module AC block input modules are compatible with 1771 series output modules if the off state leakage current of the module is less than the block module minimum off state current and the on
83. ustomer to accommodate amperage rating 5 Terminals 20 and 18 must be externally connected by customer to accommodate amperage rating 6 OUT 6 output module group 7 QUT G 1 output module group plus 1 Remote I O Connections 3 27 Chapter 3 Installing Block I O 3 28 Figure 3 20 Input Output Wiring Connections for the 1791 16BC Series B eo S o oz oz Bs z z z 29 USED No CONN USED NO USED CONN oz D m o D em o E e olo ec c o E o elc e o SLC EP 1 co z o 29 USED NOT USED NO CONN NO CONN NOT USED oz z oz RET 4 3 Vdc 2 var u 24 dc 5 3 Vdc 4 3 o gt t 5 5 ele e n gt o a cD LY sty NOTE RET 1 connections are internally connected RET 2 connections are internally connected Vdc 3 connections must be externally connected to accommodate amperage rating Vdc 4 connections must be externally connected to accommodate amperage rating Output fusing is recommended Refer to Table 2 B on page 2 8 Chapter 3 Installing Block I O C 1791 16BC Series B Co
84. ut 00 thru 07 7 5 3 1 Output 3 L1 output supply PF 1 17 19 214 G 1 EE out 10 thru 17 PLC Output 10 thru 17 16 14 12 SLC out 08 thru 15 SLC Output 08 thru 15 10 8 6 4 2 4 L1 output supply 22 20 185 For internal test only 4 5 29 27 26 not for customer use No internal connection 30 28 25 1 Connect chassis ground to equipment grounding stud These are not internally connected Terminals 10 12 and 14 must be externally connected by customer to accommodate total amperage 3 Terminals 9 11 and 13 must be externally connected by customer to accommodate total amperage Terminals 17 19 and 21 must be externally connected by customer to accommodate total amperage 5 Terminals 18 20 and 22 must be externally connected by customer to accommodate total amperage output module group one word 7 OUT G 1 output module group plus one word 3 13 Chapter 3 Installing Block I O Figure 3 11 Input Output Wiring Connections for the 1791 16AC Series B aD SLC Snot CONN USED NO NOT CONN USED NOT No USED CONN No IN 1 4 8 NOT USED gt m um NOT BLU CLR 1 COM RIO Li L2 N um o 5 5 5 je a m TS 28 ESI I x a NOTE 1 connectio
85. ut Modules cat no 1791 0416 0B16 Complemented by Series B 16 point Input Modules cat no 1791 16A0 16B0 PLC 2 Example PLC 5 Family Example 010 0 1 0 00 00 Type of I O T Type of I O T 1s Input 1 0 Bit l Input 1 0 Bit 0 Output O Output Rack Number 1 0 Group Number Rack Number 1 0 Group Number 110 a7 16 15 14 13 12 1 7 6 sf 2 1 jo 111 used by Input Module VO Group Block Data i 010 se 15 v3 r2 vr 10 7 5 sf 2 1 011 used by output module Block Data 10838 1 Figure 4 14 Image Table for One Assigned Rack Number with Series 32 point Modules using Complementary 1 0 Input Image 15 87 0 SLC 17 10 7 0 PLC TESE 8 8 8 o Rak pa Bul Hin ud ac gee RIS Output Image X Ns sd m hum Ye ace Sean hte eee S Scare oc vast cere j 15 87 0 SLC 1 4 Rack 17 10 7 0 PLC 0 1 2 3 4 5 6 7 Chapter 4 Configuring Your Block for PLC Family Programmable Controllers 4 12 Figure 4 15 Input Output Image Table Usage Example for One I O Group for Series B 32 point Output Modules cat no 1791 0A32 0B32 Complemented by Series B 32 point Input Modules cat no 1791 32A0 32B0 PLC 2 Example 0 1 PLC 5 Family Example 1 0 00 0 00 Type of I O Type of I O 1 Input Input 0 Output V O
86. wire RIO 6 Connections CLR Clear wire RIO 8 SHD Shield RIO 7 Connections in 00 thru in 07 Input Output out 00 thru out 07 For internal test only not for 4 5 customer use Not used 1 Connect chassis ground to equipment grounding stud These are not internally connected Terminals 10 12 and 14 are internally connected 3 Terminals 9 11 and 13 must be externally connected by customer 3 8 Chapter 3 Installing Block I O Figure 3 8 Input Output Wiring Connections for the 1791 8AR Series B PLC and SLC D lo on o lo fo E e o a o 60 NOTE in connections are internally connected together Vac dc out connections must be externally connected together to accommodate total amperage Output fusing is recommended Size fuse according to output load and surge current requirements 12387 1 1791 8AR Series Connections Connections 16 18 20 22 24 T in 00 thru in 07 Input 00 thru 07 26 28 30 L2 N input common 10 12 142 ac or dc output supply 9 11 133 Output out 00 thru out 07 Output 00 thru 07 15 23 For internal test only not 45 for customer use 1 Connect chassis ground to equipment grounding stud These are not internally connected Terminals 10 12 and 14 are internally connected 3 Terminals 9 11 and 13 must be externally connected by customer Chapter 3 Installing Block I O Figu

1791-6.5.3, 1791 Discrete I/O AC and DC Block I/O Input and Output

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