GEM80-400 Table of Contents
Issue 3 04/99 ALSPA GEM80-400 SERIES CONTROLLERS TECHNICAL MANUAL Page xi
1.15.7. Testing a GEM 80 System................................................................................. 1-28
1.15.8. Watchdog and Safety Circuits .......................................................................1-28
1.15.9. System Status Indication..................................................................................1-28
1.16. GEM 80 Batteries - Safety Precautions for Disposal and Handling........................1-28
1.16.2. Handling............................................................................................................1-28
1.16.3. Disposal.............................................................................................................1-29
1.16.4. Damage............................................................................................................1-29
2. Controller Architecture and Program Operation................................................................2-1
2.1. Controller Architecture.................................................................................................2-1
2.2. Operation Cycle...........................................................................................................2-2
2.2.1. Start-up Procedure, Initialisation.........................................................................2-5
2.2.2. Operating Cycle, Operation Phase ...................................................................2-5
2.2.3. Fault Shutdown Procedure, Error Handling........................................................2-5
2.3. System Self-tests ............................................................................................................2-6
2.4. States of the GEM 80-400 Controller...........................................................................2-6
2.4.1. Halted, Normal Inputs..........................................................................................2-7
2.4.2. Halted, Test Inputs................................................................................................2-7
2.4.3. Running, Normal Inputs........................................................................................2-7
2.4.4. Running, Test Inputs..............................................................................................2-7
2.4.5. Non-Fatal Shutdown............................................................................................2-8
2.4.6. Fatal Shutdown.....................................................................................................2-8
2.4.7. Extremely Fatal Shutdown...................................................................................2-8
2.5. Serial Communications.................................................................................................2-9
2.6. Program Scan Times .....................................................................................................2-9
2.6.1. Free-running Cycle Time......................................................................................2-9
2.6.2. Preset Cycle Time.................................................................................................2-9
2.6.3. Calculating the Program Scanning Interval ....................................................2-10
2.7. Program Operation.....................................................................................................2-11
2.7.1. Programmer Units...............................................................................................2-11
2.7.2. Remote Programming .......................................................................................2-11
2.7.3. Program and Data Table Capacity .................................................................2-12
2.7.4. Message Output Facility....................................................................................2-12
2.7.5. Connecting a Suitable GEM 80 Programming Tool ........................................2-12
2.7.6. Program Compilation ........................................................................................2-12
2.7.7. On-line Program Changes.................................................................................2-13
2.7.8. Off-line Program Debugging.............................................................................2-13
2.7.9. Loading Programs..............................................................................................2-14
2.7.10. Programming the Controller............................................................................2-14
2.8. User Program...............................................................................................................2-14
2.8.1. Introduction........................................................................................................2-14
2.8.2. Ladder Diagram Language..............................................................................2-14
2.8.3. Instruction Set .....................................................................................................2-16
2.9. GEM80 Special Functions...........................................................................................2-23
2.9.1. Introduction........................................................................................................2-23
2.9.2. Array and Group GEM 80 Special Functions ...................................................2-23
2.9.3. Implied Addresses in GEM 80 Special Functions..............................................2-23
2.9.4. Use of Floating Point GEM 80 Special Functions..............................................2-23
2.9.5. Program Capacity.............................................................................................2-23
2.10. Program Development.............................................................................................2-24
2.11. Programming Procedures........................................................................................2-24
2.11.1. CLEAR STORE.....................................................................................................2-24
2.11.2. Declare Highest Address.................................................................................2-24
2.11.3. Storing Programs...............................................................................................2-25
2.11.4. Storing Program and Presets in EPROM.......................................................... 2-25
2.11.5. Transferring Program and Presets to EPROM .................................................2-26
To Next Page
Loading...