1. 08/04/01Copyright © 2001 Rockwell International Corporation, All Rights Reserved 1 Comparing Allen-Bradley Programmable Control Systems ControlLogix5500, PLC-5 and SLC500 Copyright © 2001 Rockwell International Corporation, All Rights Reserved

2. 08/04/01Copyright © 2001 Rockwell International Corporation, All Rights Reserved2 Physical Attributes Form Factor PLC-5ControlLogix5500SLC-500 Same Physical Size as SLC50% larger than ControlLogixSame size as ControlLogix Memory Capacity Modular Memory Logix 5550 160K to 2Mbytes Logix5555 1.5M to 7.5M (Uses 15x PLC/SLC) Fixed Memory 8,16,24,32,48,64,100Kwords Fixed Memory 1,4,8,16,32,64Kwords I/O Capacity 250 Connections 128,000 Digital 4,000 Analog Varies by CPU 512 to 6144 Digital 512 to 3072 Analog Varies by CPU up to 8192 Digital up to 96 Analog Battery / Key Same Key as SLC-500 Front Panel Access to battery Key Switch for modes Front Panel Access to battery Key Switch for modes Battery on side of processor RS-232 9 Pin D-Shell connector Supports DF1 Protocol and ASCII 25 Pin D-Shell connector Supports DF1 Protocol and ASCII 9 Pin D-Shell connector Supports DH485, DF1 Protocol and ASCII Networks Via Chassis (15 modules max) ControlNet, DeviceNet, Enet, DH+, and RIO Scanner 1 to 4 Built-in ControlNet, Enet, DH+, RIO and DeviceNet via Chassis 2 Built-in: (RS-232 and DH485, DH+, or Enet), RIO & DeviceNet via Chassis Non-Volatile Memory Fixed Flash Built into CPUs Logix5555 Memory M23, M24 FlexLogix and CompactLogix Separate EEPROM Module 16, 32, 64, 100Kword Front of CPU Separate EEPROM Module 32, 64Kword Side of CPU Co-Processor 1756-MVI Via Chassis Control Co-Proc via CPU Side Card, Info-Proc and 1771-DB via Chassis 1746-BAS Basic Module Via chassis

3. 08/04/01Copyright © 2001 Rockwell International Corporation, All Rights Reserved3 PLC-5/11 PLC-5/20 PLC-5/30 PLC-5/40 PLC-5/60 PLC-5/80 0 - 512512 - 1024 1024 - 2048 2048 - 3072 100K 64K 48K 32K 16K 8K Memory Size I/O Choosing a ControlLogix vs. PLC-5 Processor Equivalent: L5550 with M1 Equivalent: L5550 with M2 Or L5555 with M12 I/O Limitations do not apply to ControlLogix! L5550 with M3 Equivalent to AutoMax or PLC-5/250 Equivalent: L5550 Base CPU

4. 08/04/01Copyright © 2001 Rockwell International Corporation, All Rights Reserved4 Controller Operating System Tasks PLC-5Logix5550 & 55SLC-500 32 Configurable Continuous & Periodic Future Event 3 Fixed Tasks Continuous, STI, PII 3 Fixed Tasks Continuous, STI, DII Programs 32 Programs per Task Localized data area 16 MCP Configuration1 Continuous Routines Unlimited number of routines per program 999 Program Files 1999 in 5/80 254 Program Files Programming Language(s) LD & FBD Future SFC, ST LD, SFC & ST FBD via Frameworks LD Only Data Scopes Controller Global Program Local Controller Global Arrays User defined 1,2, or 3 Dimensions Limited to 2Mbyte 1 or 2 Dimension using multiple Data Tables 1 or 2 Dimension using multiple Data Tables Structures Product, Strings and User Defined Product defined only T, C, PID, MG, ST Product defined only T, C, R Data Types BOOL, SINT, INT, DINT, REAL, User defined, and String BOOL, INT, REAL, ASCII, and STRING BOOL, INT, REAL, ASCII, and STRING

5. 08/04/01Copyright © 2001 Rockwell International Corporation, All Rights Reserved5 Controller Operating System (Cont.) Password PLC-5Logix5550 & 55SLC-500 CPU Lock Future RSI Security Server 4 Privilege Classes each with a password and specific Restrictions 2 Passwords (10 Numeric Characters each) OEM Lock Routine Source Protection locks individual Routines NoneLocks entire CPU Protected Memory Version NoneAvailableNone - --- - --- - --- - --- - ---

6. 08/04/01Copyright © 2001 Rockwell International Corporation, All Rights Reserved6 Performance Bit Execution PLC-5ControlLogix5550SLC-500 (Rung False/Rung True) XIC=0.05 / 0.11  sec OTE=0.19 / 0.19  sec (Rung False/Rung True) XIC=0.16 / 0.32  sec OTE=0.48 / 0.48  sec (Rung False/Rung True) XIC=0.375 / 0.375  sec OTE=0.562 / 0.562  sec Integer Math DINT (Rung False/Rung True) ADD=0.11 / 0.56  sec MUL=0.11 / 9.47  sec INT (Rung False/Rung True) ADD=1.40 / 6.10  sec MUL=1.40 / 9.90  sec INT (Rung False/Rung True) ADD=0.562 / 1.50  sec MUL=0.562 / 17.75  sec Floating Point Math REAL (Rung False/Rung True) ADD=0.11 / 10.67  sec MUL=0.11 / 17.67  sec REAL (Rung False/Rung True) ADD=1.40 / 14.9  sec MUL=1.40 / 18.2  sec REAL (Rung False/Rung True) ADD=0.187 / 18.22  sec MUL=0.187 / 21.94  sec Scan-time 0.08 msec/k instruction (bit) 0.5 msec/k instruction (typical) 0.5 msec/k instruction (bit) 2.0 msec/k instruction (typical) 0.9 msec/k instruction (bit) 2.0 msec/k instruction (typical) Indirect Reference 1.52  sec 1-dim array 18.02  sec struct. 1-dim array 23.98  sec 2-dim array 29.43  sec 3-dim array 1.1  sec Indexed 6.69  sec Indirect 25.0  sec Indexed 63.02  sec Indirect Fastest Loop 1msec Periodic Task + Housekeeping 2 msec STI + Housekeeping 1msec STI + Housekeeping; For discrete input, DII reacts faster (0.5msec) Motion Axis 100/200  sec position & velocity loops 1ms Path Planning / Axis Separate IMC123 motion module Separate IMC110 motion module - ---

7. 08/04/01Copyright © 2001 Rockwell International Corporation, All Rights Reserved7 I/O Processing Local I/O PLC-5ControlLogix5500SLC-500 1756 Modules1771 Modules1746 Modules Extended Local I/O None1771 Via Local Cables 1746 via Rack Extension cable Distributed I/O 1756, 1771, 1794, 1769 via CNet 1756, 1794 via ENet Others Via RIO and DeviceNet 1771 and 1794 Via RIO & ControlNet Others via RIO and DeviceNet 1746 Via RIO, Others via RIO, DeviceNet and ControlNet(Future) I/O Communications Produced / ConsumedPolled I/O Updates Asynchronous to Program Execution CPS Available to Synchronize Asynchronous Poll with Synchronized Buffering for Program Execution Synchronous to Program Execution Immediate I/O Inputs received at RPI rate and are Immediately available to program Outputs sent after each program Requires Extra Programming and Scan-time Requires Extra Programming and Scan-time I/O Sharing Input data can be shared by multiple Logix5000s Outputs owned by 1 CPU All I/O owned by 1 CPU Motion Integration Multiple axis on separate modules with program executing on Logix5000 Separate modules each executing their own program Separate modules each executing their own program

8. 08/04/01Copyright © 2001 Rockwell International Corporation, All Rights Reserved8 Controller Messaging PLC2 Commands PLC-5Logix5000SLC-500 Supported via Tag Mapping Function to an INT array PLC-2 Compatibility File PLC-2 Emulation Common Interface File (CIF) PLC3 Commands Supported via Tag Mapping Function to an INT array Supported directly from data table Supported directly from data table PLC-5 Commands Supported via Tag Mapping Function to an INT or REAL array or Symbolic Reads Supported using Logical Binary or Symbolic Reads to addresses Supported using Logical Binary SLC-500 Commands Supported via Tag Mapping Function to an INT array Supported using Logical Binary Supported using Logical Binary CIP Commands Supported using logical binary address or Symbolic Reads Supported using Logical Binary or Symbolic Reads to addresses Future Peer to Peer Produced / Consumed tags or PLC-5 Peer-to-peer Over ControlNet Produced / Consumed tags or PLC-5 Peer-to-peer Over ControlNet Future RSLinx Reads PLC/SLC via Tag Mapping or Native tag requests Supported using Logical Binary Supported using Logical Binary Unsolicited to RSLinx Supported via RS232, DH+, ControlNet and Ethernet Supported via RS232, DH+, ControlNet and Ethernet Supported via RS232, DH+, DH485 and Ethernet Future ControlNet

9. 08/04/01Copyright © 2001 Rockwell International Corporation, All Rights Reserved9 PLC-5 vs. ControlLogix Communications Enhanced PLC-5 –DH+ and RIO Ports (2 to 4, depending on Catalog Number) –Ethernet Sidecar option –Serial Port with ASC II or DF1 Protocol –Profibus Sidecar option (3rd party) –DeviceNet Scanner –Modbus Plus option (3rd party) –Control Coprocessor / Information Processor Ethernet PLC-5 –1 Ethernet Port –DH+ and RIO, 2 Ports –Serial Port with ASC II or DF1 Protocol –Ethernet Sidecar option –Profibus Sidecar option (3rd party) –DeviceNet Scanner –Modbus Plus option (3rd party) –Control Coprocessor / Information Processor PLC-5 Communications Options ControlNet PLC-5 –1 ControlNet Port, Redundant Media –DH+ and RIO, 2 Ports –Serial Port with ASC II or DF1 Protocol –Ethernet Sidecar option –Profibus Sidecar option (3rd party) –DeviceNet Scanner –Modbus Plus option (3rd party) –Control Coprocessor / Information Processor Ethernet ControlNet DeviceNet DH+ RIO

10. 08/04/01Copyright © 2001 Rockwell International Corporation, All Rights Reserved10 PLC-5 vs. ControlLogix Communications Serial Port on front of L5550 Processor, DF1 Protocol, Control & Information Protocol (CIP) for backplane and network bridging and routing. Communications for ControlLogix is modular, and includes: –1756-DHRIO for DH+ and RIO Communications –1756-CNB, -CNBR for ControlNet Communications –1756-ENET for Ethernet Communications –1756-DNB for DeviceNet Communications –1756-MVI for Multi-vendor Interface (Future) Multiple modules of each type may be installed in a ControlLogix Chassis All modules except the 1756-DNB and 1756-MVI operate as bridges, allowing communications across network boundaries ControlLogix Communication Options Data Highway + ControlNet Tm Ethernet

11. 08/04/01Copyright © 2001 Rockwell International Corporation, All Rights Reserved11 Documentation Data Addressing PLC-5Logix5000SLC-500 40 Character Tag Name Stored on the Controller Logical Binary Address Symbols Alias Tag Names Stored on the Controller 10 Character Name Stored Off-Line 10 Character Name Stored Off-Line Address Comment 120 Characters Stored Off-line 100 Characters Stored Off-line 100 Characters Stored Off-line Rung Comments Unlimited Stored Off-line Unlimited Stored Off-line Unlimited Stored Off-line Program Header NoneStored Off-line Program / Routine Description 120 Characters Stored Off-line 50 Characters Stored Off-line 50 Characters Stored Off-line Program / Routine Name 40 Character Stored on Controller used in JSR calls 10 Character Stored on Controller Must use file number in JSR 10 Character Stored on Controller Must use file number in JSR Data Base Import / Export CSV File for Tag Database CSV File for Comment Database CSV File for Comment Database

12. 08/04/01Copyright © 2001 Rockwell International Corporation, All Rights Reserved12 Instruction Set Data Type Conversion PLC-5Logix5000SLC-500 Automatic No extra programming needed Automatic No extra programming needed Automatic No extra programming needed Timers / Counters 32 Bit, 1msec Unlimited Qty 16 Bit, 1 sec or 10msec Unlimited Qty 16 Bit, 1 sec or 10msec Unlimited Qty Math / Compare 32 bit DINT and 32 Bit REAL16 bit INT and 32 Bit REAL Trig REAL File DINT, REAL, and Arrays of Structures INT and REAL Data Tables INT and REAL Data Tables Special Floating Point PID GSV & SSV for CPU status 42 Process/Drive in FBD Floating Point PIDInteger PID ASCII Serial Port in V2.51 String handling functions V8 Both Port and String handling functions Both Port and String handling functions Motion 32 Motion Specific Functions Future Additional No motion instruction in PLC-5 No motion instruction in SLC-500

13. 08/04/01Copyright © 2001 Rockwell International Corporation, All Rights Reserved13 Note: When converting a PLC/SLC program to Logix you must manually convert the PLC/SLC ASCII instruction name to the new Logix5000 format. PLC-5 / SLC-500 / Logix5000 Manipulation Instruction Comparison Logix5000 String handling instructions extended to follow IEC1131-3 –Names match similar functions in other PC tools –New instructions simplify string manipulation

14. 08/04/01Copyright © 2001 Rockwell International Corporation, All Rights Reserved14 Diagnostics Math Flags PLC-5Logix5000SLC-500 Directly Addressable (S:Z...) Directly Addressable Status Area Directly Addressable Status Area Controller Status Accessed VIA GSV/SSV Directly Addressable Status Area Directly Addressable Status Area I/O Status I/O Data Structures and GSV / SSV Directly Addressable Status Area Directly Addressable Status Area Program Fault Handler 1 for each program executed before Controller Fault Handler Not Applicable Controller Fault Handler Single Fault Program Module Diagnostics I/O Data Structures and Messaged to/from Module Dependent on I/O Module I/O Time Stamp Configurable Independent Time stamp None - ---

15. 08/04/01Copyright © 2001 Rockwell International Corporation, All Rights Reserved15 Backplane Communications Backplane Technology 1771 Universal I/O1756 ControlLogix1746 SLC I/O Passive Multi-master Data Bus Single Master Address / Data Bus Single Master Address / Data Bus CPU’s Per Chassis Multiple Single CPU in 1771 Multiple in VME Single Inter Module Communications Direct Module to Module Bridging All Modules communicate to Left Slot Master only All Modules communicate to Left Slot Master only Message Pass-through Direct bridging between Networks No CPU needed DH+ and Ethernet to RIO via Block Transfer Instructions CPU can be configured to bridge between networks; no special instructions required Module Sharing Multiple Controllers Can Share I/O and Network Resources Single Owner I/O Module Replacement All modules can be serviced without effecting others full RIUP Must remove power from chassis before changing modules Must remove power from chassis before changing modules Field Upgrade All Modules support Flash Firmware updated via network or chassis Some modules use PROM Some Controllers use Flash Some modules use PROM Some Controllers use Flash Revision Management Logix CPU and Software versions lock-stepped (Future multi-version in V10) Multiple versions of firmware supported by software

16. 08/04/01Copyright © 2001 Rockwell International Corporation, All Rights Reserved16 I/O Architecture Chassis Sizes 1771 Universal I/O1756 ControlLogix1746 SLC I/O 4, 7, 10, 13, 17 Slot2, 4, 8, 12, 16 Slot4, 7, 10, 13 Slot Power Supplies 120-220 VAC 24VDC Redundant Power Supplies 120/220 VAC 24VDC, 125VDC 120/240 VAC, 24VDC, 48VDC, 125VDC, and (Future 12/24VDC) Wiring Termination Removable Terminal Block Remote Wiring Options Removable Under Power Removable Swing Arm, Remote Wiring Options Power down before removing Removable Wiring Connector, Remote Wiring Options Power down before removing Fusing Electronic or External Internal fuse for module protection, optional fused swing-arm I/O Module Dependent - Some internal fuse for protection; External recommended Wiring Verification Diagnostic Modules Support wire-off detection and Output verification Must wire additional inputs I/O Module Dependent - Some have open circuit detection Analog Scaling Scaled in floating point to Engineering Units N-Series Analog scaled in Integer In CPU or I/O Module (I/O Module Dependent) Module Verification Electronic Module keyed down to Version with Mechanical RTB Key Mechanical Backplane Keying bands in chassis Electronically keyed to catalog number only Specialty Modules Servo, PLS, HSC, MVI, and others... Too Many to List

17. 08/04/01Copyright © 2001 Rockwell International Corporation, All Rights Reserved17 PLC-5 vs. ControlLogix Software Common software “Look and Feel”…. RSLogix 5 RSLogix 5000

18. 08/04/01Copyright © 2001 Rockwell International Corporation, All Rights Reserved18 PLC-5 vs. ControlLogix Software PLC-5 / RSLogix 5 Windows NT/ 95 Text / Tabular based I/O Configuration Free-form Graphical Ladder, SFC and ST Editors (Function Block available through RS Frameworks) Toolbars for major functions Controller Organizer Tree Control ControlLogix / RSLogix 5000 Windows NT / 2000 / XP Text / Tabular based I/O Configuration Free form Graphical Ladder and Function Block Diagram (FBD) editor (SFC and Structured Text - future) Toolbars for major functions Controller Organizer Tree Control

19. Copyright / Trademark Notice Copyright © 2001 Rockwell International Corporation, All Rights Reserved RSLogix, RSLinx, RSNetworx, the RSLogix 5000 logo, and the Rockwell Software logo are trademarks of Rockwell Software Inc. Logix5000, PLC-5, SLC-500 and Data Highway are trademarks of Allen Bradley Company LLC., all other trademarks are the property of their respective holders and are hereby acknowledged For more information on the latest pricing or a demonstration of any Rockwell Software package, please contact your local Rockwell Automation sales office or authorized Allen-Bradley distributor. For the very latest on Rockwell Software product development, visit our Web Site on the Internet at: http://www.software.rockwell.com WORLDWIDE REPRESENTATION Argentina, Australia, Austria, Bahrain, Belgium, Bolivia, Brazil, Bulgaria, Canada, Chile, China, Colombia, Costa Rica, Croatia Cyprus, Czech Republic, Denmark, Dominican Republic, Ecuador, Egypt, El Salvador, Finland, France, Germany, Ghana, Greece, Guatemala, Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Israel, Italy, Jamaica, Japan, Jordan, Kenya, Kuwait, Lebanon, Macao, Malaysia, Malta, Mauritius, Mexico, Morocco, Netherlands, New Zealand, Nigeria, Norway, Oman, Pakistan, Panama, Peru, Philippines, Poland, Portugal, Puerto Rico, Qatar, Romania, Russia, Saudi Arabia, Singapore, Slovakia, Slovenia, South Africa, Republic of South Korea, Spain, Sweden, Switzerland, Taiwan, Thailand, Trinidad, Tunisia, Turkey, United Arab Emirates, United Kingdom, United States, Uruguay, Venezuela, Vietnam, Zimbabwe