OneStart

GE PACSystems RSTi-EP manuals

PACSystems RSTi-EP first page preview

PACSystems RSTi-EP

Brand: GE | Category: Control Systems
Table of contents
  1. Table Of Contents
  2. Table Of Contents
  3. Table Of Contents
  4. Table Of Contents
  5. Table Of Contents
  6. Table Of Contents
  7. Table Of Contents
  8. Chapter 1 Introduction
  9. Revisions in this Manual
  10. PACSystems Control System Overview
  11. PACSystems CPU Models
  12. RX3i Overview
  13. RX7i Overview
  14. RSTi-EP Overview
  15. Migrating Series 90 Applications to PACSystems
  16. Documentation
  17. Chapter 2 CPU Features & Specifications
  18. Common CPU Features
  19. Features Shared by Certain PACSystems CPU Models
  20. Firmware Storage in Flash Memory
  21. Embedded PROFINET Controller
  22. OPC UA
  23. Removable Data Storage Devices (RDSDs)
  24. CPU Over-Temperature Monitoring and Behavior
  25. RX3i CPU Features and Specifications
  26. CPE400
  27. Figure 3: CPE400 Underside Ports & Connectors
  28. Figure 4: CPE400 Micro-SD & USB Pinouts
  29. Figure 5: Typical Field Agent Application
  30. Figure 6: Login to Predix
  31. Figure 7: Predix Change Password
  32. Figure 9: Technician Console, Network Configuration
  33. Figure 10: Enter Proxy Server Address
  34. Figure 12: Technician Console, Time Sync Configuration
  35. Figure 13: LAN3 Interconnects for Hot Standby Redundancy
  36. Figure 14: Display Port Connector
  37. Figure 15: Location of RTC battery on CPE400
  38. Figure 16: DIN-Rail Mount Bracket Assembly CPE400
  39. CPE330
  40. Figure 19: CPE330 RUN/STOP Switch and RDSD Switches
  41. CPE302, CPE305 and CPE310
  42. Figure 23: External Features of CPE302/CPE305
  43. Figure 25: Accessing Real-Time Clock Battery (CPE302, CPE305 and CPE310)
  44. Figure 26: Sample Tool for Coin Battery Extraction
  45. CPU315 and CPU320/CRU320
  46. CPU310
  47. RX7i CPU Features and Specifications
  48. CPE030/CRE030 and CPE040/CRE040
  49. CPE010, CPE020 and CRE020
  50. RX7i Embedded Ethernet Interface
  51. RSTi-EP CPU Features and Specifications
  52. CPE100/CPE115
  53. Figure 32: CPE100/CPE115 Membrane Pushbutton and Module Status LEDs
  54. Figure 34: Typical Multi-Tier LAN Application (Star/Bus Topology)
  55. Chapter 3 CPU Configuration
  56. Configuring the CPU
  57. Configuration Parameters
  58. Modbus TCP Address Map
  59. SNTP
  60. Time
  61. Scan Parameters
  62. Memory Parameters
  63. Fault Parameters
  64. Redundancy Parameters (Redundancy CPUs Only)
  65. COM1 and COM2 Parameters
  66. Scan Sets Parameters
  67. Access Control
  68. OPC UA Parameters
  69. Storing (Downloading) Hardware Configuration
  70. Configuring the Embedded Ethernet Interface
  71. Establishing Initial Ethernet Communications
  72. Setting a Temporary IP Address
  73. Chapter 4 CPU Operation
  74. CPU Sweep
  75. Parts of the CPU Sweep
  76. CPU Sweep Modes
  77. Figure 42: Typical Sweeps in Constant Sweep Mode
  78. Program Scheduling Modes
  79. Window Modes
  80. Data Coherency in Communications Windows
  81. Run/Stop Operations
  82. CPU STOP Modes
  83. STOP-to-RUN Mode Transition
  84. Flash Memory Operation
  85. Logic/Configuration Source and CPU Operating Mode at Power-Up
  86. CPU Mode when Memory Not Preserved/Power-up Source is Flash
  87. CPU Mode when Memory Preserved
  88. Clocks and Timers
  89. Time-of-Day Clock
  90. Watchdog Timer
  91. System Security
  92. Passwords and Privilege Levels - Legacy Mode
  93. OEM Protection – Legacy Mode
  94. Enhanced Security for Passwords and OEM Protection
  95. Legacy/Enhanced Security Comparison
  96. PACSystems I/O System
  97. I/O Configuration
  98. Genius I/O
  99. I/O System Diagnostic Data Collection
  100. Power-Up and Power-Down Sequences
  101. Power-Down Sequence
  102. Power Cycle Operation with an Energy Pack
  103. Retention of Data Memory Across Power Failure
  104. Chapter 5 Communications
  105. Ethernet Communications
  106. Figure 45: CPE330 Overlapping Local IP Subnet Example
  107. Figure 46: Expected Response Path
  108. Ethernet Interface Modules
  109. Serial Communications
  110. Configurable STOP Mode Protocols
  111. Serial Port Pin Assignments
  112. Figure 48: COM1 Port CPE400
  113. Serial Port Electrical Isolation
  114. Serial Cable Lengths and Shielding
  115. Serial Port Baud Rates
  116. Series 90-70 Communications and Intelligent Option Modules
  117. Programmable Coprocessor Module (PCM)
  118. DLAN/DLAN+ (Drives Local Area Network) Interface
  119. Chapter 6 Serial I/O, SNP & RTU Protocols
  120. Configuring Serial Ports Using COMMREQ Function 65520
  121. Invalid Port Configuration Combinations
  122. COMMREQ Command Block Parameter Values
  123. Example COMMREQ Command Blocks for Serial Port Setup function
  124. Serial I/O Protocol
  125. Serial I/O COMMREQ Commands
  126. Overlapping COMMREQs
  127. Initialize Port Function (4300)
  128. Set Up Input Buffer Function (4301)
  129. Flush Input Buffer Function (4302)
  130. Read Port Status Function (4303)
  131. Write Port Control Function (4304)
  132. Cancel COMMREQ Function (4399)
  133. Autodial Function (4400)
  134. Write Bytes Function (4401)
  135. Read Bytes Function (4402)
  136. Read String Function (4403)
  137. RTU Slave Protocol
  138. Message Format
  139. Figure 50: RTU Read Output Table Example
  140. Cyclic Redundancy Check (CRC)
  141. RTU Message Descriptions
  142. Figure 53: RTU Read Input Table Message Format
  143. Figure 54: RTU Read Registers Message Format
  144. Figure 55: RTU Read Analog Inputs Message Format
  145. Figure 56: RTU Force Single Output Message Format
  146. Figure 57: RTU Preset Single Register Message Format
  147. Figure 58: RTU Read Exception Status Message Format
  148. Figure 59: RTU Loopback/Maintenance Message Format
  149. Figure 60: RTU Force Multiple Outputs Message Format
  150. Figure 61: RTU Preset Multiple Registers Message Format
  151. Figure 62: RTU Report Device Type Message Format
  152. Figure 63: RTU Read Scratch Pad Memory Message Format
  153. RTU Scratch Pad
  154. Communication Errors
  155. RTU Slave/SNP Slave Operation with Programmer Attached
  156. SNP Slave Protocol
  157. Appendix A Performance Data
  158. A-1 Boolean Execution Times
  159. A-2 Instruction Timing
  160. A-2.2 PLC Version Information
  161. A-2.3 RX3i & RSTi-EP Instruction Times
  162. A-2.4 RX7i Instruction Times
  163. A-3 Overhead Sweep Impact Times
  164. A-3.1 Base Sweep Times
  165. A-3.2 What the Sweep Impact Tables Contain
  166. A-3.3 Programmer Sweep Impact Times
  167. A-3.4 I/O Scan and I/O Fault Sweep Impact
  168. A-3.5 Ethernet Global Data Sweep Impact
  169. A-3.6 EGD Sweep Impact for Embedded Ethernet Interface on RX3i & RSTi-EP CPE Models
  170. A-3.7 Sweep Impact of Intelligent Option Modules
  171. A-3.8 I/O Interrupt Performance and Sweep Impact
  172. Figure 65: Interrupt Execution Considerations
  173. A-3.9 Timed Interrupt Performance
  174. A-3.10 Example of Predicted Sweep Time Calculation
  175. Appendix B User Memory Allocation
  176. B-1 Items that Count Against User Memory
  177. B-2 User Program Memory Usage
PACSystems RSTi-EP first page preview

PACSystems RSTi-EP

Brand: GE | Category: Controller
Table of contents
  1. Table Of Contents
  2. Table Of Contents
  3. Table Of Contents
  4. Table Of Contents
  5. Table Of Contents
  6. Table Of Contents
  7. Table Of Contents
  8. Chapter 1 Introduction
  9. Revisions in this Manual
  10. PROFINET Controller Description
  11. Embedded PROFINET Controller
  12. PNC001 Module Specifications
  13. Operating Range for Surrounding Air Temperature
  14. PNC001 Module Controls and Indicators
  15. PNC001 Hardware Implementions (-Ax & -Bxxx)
  16. Ethernet Network Ports
  17. USB Port(s)
  18. PROFINET Networks for PACSystems
  19. Compression
  20. Basic System: One RX3i CPU and One PROFINET Controller using a single port
  21. Basic System: One RX3i CPU and One PROFINET Controller using multiple ports
  22. Basic System: Third-Party Devices and PME Programmer
  23. Systems with One RX3i CPU and Two PROFINET Controllers
  24. Figure 10: RX3i System with two PNC001 modules and two Daisy-Chain PROFINET LANs
  25. One RX3i CPU with Four Controllers on Separate Networks
  26. Two RX3i CPUs with Two PROFINET Networks and One Ethernet Network
  27. Systems that use PROFINET System Redundancy (PNSR)
  28. Systems that use Hot Standby CPU Redundancy
  29. RSTi-EP Standalone CPU with embedded PROFINET Controller using a single port
  30. RSTi-EP Standalone CPU with embedded PROFINET Controller using multiple ports
  31. RSTi-EP Standalone CPU with embedded PROFINET Controller using MRP
  32. Glossary
  33. Documentation
  34. Chapter 2 Installation
  35. Pre-Installation Check
  36. Installation in Hazardous Areas
  37. Removing the Backplane Knockout
  38. Module Installation
  39. Hot Insertion and Removal
  40. Ethernet Port Connections
  41. Figure 22: Interconnect using Copper Cables / RJ45 Connectors
  42. Figure 25: CAT5e/CAT6 (shielded or unshielded) with RJ 45 Connector
  43. Installing SFP Devices
  44. Removing SFP Devices
  45. PNC001 LED Behavior
  46. Detailed LED Descriptions
  47. Installing the USB Port Driver
  48. Firmware Updates
  49. PNC001 Time Synchronization with the Host RX3i CPU
  50. Chapter 3 Configuration
  51. Configuration Overview
  52. Basic Configuration Steps
  53. Configuration Tools
  54. Configuring an RX3i PROFINET Controller
  55. Configuring an Embedded RSTi-EP PROFINET Controller
  56. Configuring PROFINET System Redundancy
  57. Exploring PROFINET Networks
  58. Configuring a PROFINET Controller on a LAN
  59. Configuring PROFINET Controller Parameters
  60. Figure 42: Setting the Status Reference Address
  61. Figure 44: Setting Media Redundancy Parameters
  62. Configuring PROFINET LANs
  63. Configuring the LAN Properties
  64. Adding a VersaMax PROFINET Scanner to a LAN
  65. Configuring VersaMax PROFINET Scanner Parameters
  66. Figure 56: PNS Parameters Redundancy Tab
  67. Figure 59: PNS Parameters Module Parameters Tab
  68. Figure 61: PNS Interface Parameter Details
  69. Adding VersaMax PROFINET Scanner Power Supplies
  70. Adding VersaMax Modules to a Remote Node
  71. Installing Power Supplies Between Modules
  72. Configuring VersaMax Module Parameters
  73. Figure 70: Selecting the Sub-Module Configuration with Jumper Settings Declared
  74. Adding a Third-Party IO-Device to a LAN
  75. Editing Third-Party IO-Device Parameters
  76. Figure 77: Third-Party I/O: Configure Ring Ports for Media Redundancy Manager
  77. Configuring Sub-Modules of a Third-Party IO-Device
  78. Viewing / Editing IO-Device Properties
  79. Figure 84: Assigning Reference Variable to IO-Device
  80. Assigning IO-Device Names
  81. Figure 88: List of Device Names on LAN with Status Indications
  82. After the Configuration is Stored to the RX3i CPU
  83. Chapter 4 PROFINET System Operation
  84. PROFINET Operation Overview
  85. PROFINET Communications
  86. Figure 90: Real-Time and Non-Real-Time Data Communications
  87. Operations of the PROFINET Controller in the PACSystems System
  88. Duplicate PROFINET IO-Controller IP Address
  89. I/O Scanning
  90. Data Coherency
  91. Performance Factors
  92. PROFINET IO Update Rate Configuration
  93. PACSystems CPU Operations for PROFINET
  94. PNIO_DEV_COMM Function Block
  95. Reset Smart Module for the PROFINET Controller
  96. Scan Set I/O for Remote I/O Modules
  97. Chapter 5 Diagnostics
  98. Power-up and Reset (PNC001 Module)
  99. Problems During Power-up and Reset
  100. Special LED Blink Patterns
  101. Status Reporting
  102. I/O Fault Contacts
  103. Fault Locating References
  104. Fatal Error Reporting
  105. PROFINET IO Alarms
  106. Local Log Table of the PROFINET Controller
  107. Faults Unique to Local Log Table
  108. Viewing and Clearing the Local Log Table
  109. Figure 96: Log Details Display
  110. Figure 97: Log Details of a Specific Log Entry
  111. PROFINET Controller Faults in the PACSystems Fault Tables
  112. Faults Reported to the PACSystems I/O Fault Table
  113. Chapter 6 Redundant Media
  114. PROFINET Media Redundancy Protocol
  115. MRP Failover Performance
  116. Bumpless Operation with MRP
  117. MRP Operation for I/O Update Rates of 16ms or Greater
  118. Minimum I/O Update Rates for Bumpless Operation in an MRP Ring Topology
  119. MRP Ring Ethernet Traffic Storm Prevention
  120. Third-party MRP Manager Use with PROFINET Controller as MRP Client
  121. Ring Topology with One Controller
  122. Ring Topology with Multiple Controllers
  123. Setting Up Media Redundancy Protocol
  124. Sequence for Enabling Media Redundancy
  125. Sequence for Replacing a Media Redundancy Manager
  126. Procedure for Disabling Media Redundancy
  127. Chapter 7 Network Management
  128. SNMP
  129. Supported SNMP Features
  130. MIB-II Groups Supported
  131. MIB-II System Group Values
  132. LLDP
  133. LLDP TLVs
  134. Appendix A PROFINET IO Performance Examples
  135. A-1 Systems with RX3i PNS
  136. A-2 Systems with VersaMax PNS
  137. A-2.2 VersaMax System Descriptions
  138. A-3 Systems with RSTi-EP EPSCPE100/CPE115
  139. A-3.2 RSTi-EP System Descriptions
PACSystems RSTi-EP first page preview

PACSystems RSTi-EP

Brand: GE | Category: Controller
Table of contents
  1. Table Of Contents
  2. Table Of Contents
  3. Table Of Contents
  4. Table Of Contents
  5. Table Of Contents
  6. Table Of Contents
  7. Table Of Contents
  8. Table Of Contents
  9. Table Of Contents
  10. Table Of Contents
  11. Table Of Contents
  12. Table Of Contents
  13. Chapter 1 Introduction
  14. Revisions in this Manual
  15. PACSystems Programming and Configuration
  16. PACSystems Documentation
  17. Chapter 2 Program Organization
  18. Structure of a PACSystems Application Program
  19. How Blocks Are Called
  20. Types of Blocks
  21. Figure 2: Block Call with Parameters
  22. Figure 3: Defining Member Variables for a User-Defined Function Block
  23. Figure 4: Creating a User-Defined Function Block
  24. Figure 7: Calling an External Block in Ladder Logic
  25. Local Data
  26. Parameter Passing Mechanisms
  27. Languages
  28. Figure 12: Illustration of Function Block Diagram
  29. Controlling Program Execution
  30. Interrupt-Driven Blocks
  31. Interrupt Handling
  32. Timed Interrupts
  33. Interrupt Block Scheduling
  34. Chapter 3 Program Data
  35. Variables
  36. Symbolic Variables
  37. I/O Variables
  38. Arrays
  39. Reference Memory
  40. Bit (Discrete) References
  41. User Reference Size and Default
  42. Genius Global Data
  43. Transitions and Overrides
  44. Retentiveness of Logic and Data
  45. Data Scope
  46. System Status References
  47. S References
  48. SA, %SB, and %SC References
  49. Fault References
  50. How Program Functions Handle Numerical Data
  51. Floating Point Numbers
  52. User Defined Types (UDTs)
  53. UDT Limits
  54. UDT Operational Notes
  55. Operands for Instructions
  56. Word-for-Word Changes
  57. Chapter 4 Ladder Diagram (LD) Programming
  58. Advanced Math Functions
  59. Exponential/Logarithmic Functions
  60. Square Root
  61. Trig Functions
  62. Inverse Trig – ASIN, ACOS, and ATAN
  63. Bit Operation Functions
  64. Data Lengths for the Bit Operation Functions
  65. Bit Position
  66. Bit Sequencer
  67. Bit Set, Bit Clear
  68. Bit Test
  69. Logical AND, Logical OR, and Logical XOR
  70. Logical NOT
  71. Masked Compare
  72. Rotate Bits
  73. Shift Bits
  74. Coils
  75. Graphical Representation of Coils
  76. Set Coil, Reset Coil
  77. Transition Coils
  78. Contacts
  79. Continuation Contact
  80. Fault Contact
  81. High and Low Alarm Contacts
  82. No Fault Contact
  83. Normally Closed and Normally Open Contacts
  84. Transition Contacts
  85. Control Functions
  86. Do I/O
  87. Edge Detectors
  88. Drum
  89. For Loop
  90. Mask I/O Interrupt
  91. Read Switch Position
  92. Scan Set IO
  93. Suspend I/O
  94. Suspend or Resume I/O Interrupt
  95. Conversion Functions
  96. Convert Angles
  97. Convert UINT or INT to BCD4
  98. Convert DINT to BCD8
  99. Convert BCD4, UINT, DINT, or REAL to INT
  100. Convert BCD4, INT, DINT, or REAL to UINT
  101. Convert BCD8, UINT, INT, REAL or LREAL to DINT
  102. Convert BCD4, BCD8, UINT, INT, DINT, and LREAL to REAL
  103. Convert REAL to LREAL
  104. Truncate
  105. Counters
  106. Down Counter
  107. Up Counter
  108. Data Move Functions
  109. Array Size
  110. Array Size Dimension Function Blocks
  111. Block Clear
  112. Block Move
  113. BUS_ Functions
  114. Communication Request (COMMREQ)
  115. Data Initialization
  116. Data Initialize ASCII
  117. Data Initialize Communications Request
  118. Data Initialize DLAN
  119. Move
  120. Move Data
  121. Move Data Explicit
  122. Move From Flat
  123. Move to Flat
  124. Shift Register
  125. Size Of
  126. Swap
  127. Data Table Functions
  128. Array Move
  129. Array Range
  130. FIFO Read
  131. FIFO Write
  132. LIFO Read
  133. LIFO Write
  134. Search
  135. Sort
  136. Table Read
  137. Table Write
  138. Math Functions
  139. Overflow
  140. Absolute Value
  141. Divide
  142. Modulus
  143. Multiply
  144. Scale
  145. Subtract
  146. Program Flow Functions
  147. Argument Present
  148. Call
  149. Comment
  150. JumpN
  151. Master Control Relay/End Master Control Relay
  152. Wires
  153. Relational Functions
  154. Compare
  155. Equal, Not Equal, Greater or Equal, Greater Than, Less or Equal, Less Than
  156. EQ_DATA
  157. Range
  158. Timers
  159. Timer Function Blocks
  160. Standard Timer Function Blocks
  161. Chapter 5 Function Block Diagram (FBD)
  162. Note on Reentrancy
  163. EXPT Function
  164. Comments
  165. Comparison Functions
  166. Fan Out
  167. Negate
  168. Type Conversion Functions
  169. Convert WORD to INT
  170. Convert WORD to UINT
  171. Convert DWORD to DINT
  172. Convert INT or UINT to WORD
  173. Convert DINT to DWORD
  174. Chapter 6 Service Request Function
  175. Operation of SVC_REQ Function
  176. Function Block Diagram
  177. SVC_REQ 1: Change/Read Constant Sweep Timer
  178. To read the current timer state and value without changing either
  179. SVC_REQ 2: Read Window Modes and Time Values
  180. SVC_REQ 3: Change Controller Communications Window Mode
  181. To disable the Backplane Communications window
  182. SVC_REQ 5: Change Background Task Window Mode and Timer Value
  183. SVC_REQ 6: Change/Read Number of Words to Checksum
  184. SVC_REQ 7: Read or Change the Time-of-Day Clock
  185. SVC_REQ 8: Reset Watchdog Timer
  186. SVC_REQ 9: Read Sweep Time from Beginning of Sweep
  187. SVC_REQ 10: Read Target Name
  188. SVC_REQ 11: Read Controller ID
  189. SVC_REQ 12: Read Controller Run State
  190. SVC_REQ 13: Shut Down (STOP) CPU
  191. SVC_REQ 14: Clear Controller or I/O Fault Table
  192. SVC_REQ 15: Read Last-Logged Fault Table Entry
  193. SVC_REQ 16: Read Elapsed Time Clock
  194. SVC_REQ 17: Mask/Unmask I/O Interrupt
  195. SVC_REQ 18: Read I/O Forced Status
  196. SVC_REQ 19: Set Run Enable/Disable
  197. SVC_REQ 20: Read Fault Tables
  198. Non-Extended Formats
  199. Extended Formats
  200. SVC_REQ 21: User-Defined Fault Logging
  201. SVC_REQ 22: Mask/Unmask Timed Interrupts
  202. SVC_REQ 23: Read Master Checksum
  203. SVC_REQ 24: Reset Module
  204. SVC_REQ 25: Disable/Enable EXE Block and Standalone C Program Checksums
  205. SVC_REQ 29: Read Elapsed Power Down Time
  206. SVC_REQ 32: Suspend/Resume I/O Interrupt
  207. SVC_REQ 45: Skip Next I/O Scan
  208. SVC_REQ 50: Read Elapsed Time Clock
  209. SVC_REQ 51: Read Sweep Time from Beginning of Sweep
  210. SVC_REQ 56: Logic Driven Read of Nonvolatile Storage
  211. Parameter Block
  212. SVC_REQ 57: Logic Driven Write to Nonvolatile Storage
  213. Erase Cycles
  214. Fragmentation
  215. Equality
  216. Parameter Block for SVC_REQ 57
  217. Chapter 7 PID Built-In Function Block
  218. Operands of the PID Function
  219. Operands for FBD Version of PID Function Block
  220. Reference Array for the PID Function
  221. Reference Array Parameters
  222. Operation of the PID Function
  223. Time Interval for the PID Function
  224. PID Algorithm Selection (PIDISA or PIDIND) and Gain Calculations
  225. Derivative Term
  226. CV Bias Term
  227. Sample Period and PID Function Block Scheduling
  228. Determining the Process Characteristics
  229. Setting Tuning Loop Gains
  230. Setting Loop Gains Using the Ziegler and Nichols Tuning Approach
  231. Ideal Tuning Method
  232. PID Example
  233. Figure 17: PID Example Logic
  234. Language Overview
  235. Operators
  236. Structured Text Syntax
  237. Statement Types
  238. Assignment Statement
  239. Function Call
  240. RETURN Statement
  241. IF Statement
  242. CASE Statement
  243. FOR ... DO Statements
  244. WHILE Statement
  245. REPEAT Statement
  246. ARG_PRES Statement
  247. Exit Statement
  248. Chapter 9 Diagnostics
  249. Fault Handling Overview
  250. Fault Actions and Fault Action Configuration
  251. Using the Fault Tables
  252. Figure 19: Detail Information for Controller Fault Entry
  253. I/O Fault Table
  254. Figure 21: I/O Fault Table Fault Entry Detail Display
  255. System Handling of Faults
  256. System Fault References
  257. Using Fault Contacts
  258. Using Point Faults
  259. Controller Fault Descriptions and Corrective Actions
  260. Loss of or Missing Rack (Group 1)
  261. Loss of or Missing Option Module (Group 4)
  262. Reset of, Addition of, or Extra Option Module (Group 8)
  263. System Configuration Mismatch (Group 11)
  264. System Bus Error (Group 12)
  265. CPU Hardware Failure (Group 13)
  266. Module Hardware Failure (Group 14)
  267. Option Module Software Failure (Group 16)
  268. Program or Block Checksum Failure (Group 17)
  269. Battery Status (Group 18)
  270. Constant Sweep Time Exceeded (Group 19)
  271. CPU Over-Temperature (Group 24)
  272. Corrupted User Program on Power-Up (Group 130)
  273. Password Access Failure (Group 132)
  274. CPU System Software Failure (Group 135)
  275. Communications Failure During Store (Group 137)
  276. Non-Critical CPU Software Event (Group 140)
  277. I/O Fault Descriptions and Corrective Actions
  278. I/O Fault Categories
  279. Circuit Faults (Category 1)
  280. Loss of Block (Category 2)
  281. Addition of Block (Category 3)
  282. I/O Bus Fault (Category 6)
  283. Module Fault (Category 8)
  284. Addition of IOC (Category 9)
  285. IOC (I/O Controller) Software Fault (Category 11)
  286. Loss of or Missing I/O Module (Category 14)
  287. Extra Block (Category 17)
  288. GBC Software Exception (Category 21)
  289. Block Switch (Category 22)
  290. Diagnostic Logic Blocks (DLBs)
  291. DLB Operation
  292. Executing DLBs
  293. Diagnostic Logic Block (DLB) Example
  294. Figure 25: Drag DLB from Toolchest and Drop in Active Blocks Node
  295. Figure 28: Initialize Local Symbolic Variables