Glofa Gm7 Manual

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U s e r ’s M a n u a l GLOFA GM7 Series LG Programmable Logic Controller L G Industrial Systems Contents ¡Ý Chapter 1. General · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 1-1~1-6 1.1 Guide to Use this Manual · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 1-1 1.2 Features · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 1-2 1.3 Terminology · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 1-4 Chapter 2. System
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  User’s Manual LG Programmable Logic Controller   GLOFA GM7 Series    LG Industrial Systems    ◎ Contents ◎   Chapter 1. General······························1-1~1-6 1.1 Guide to Use this Manual·····························1-11.2 Features·······································1-21.3 Terminology·····································1-4 Chapter 2. System Configuration·····················2-1~2-6 2.1 Overall Configuration·······························2-12.1.1 Basic system·································2-12.1.2 Cnet I/F System································2-22.2 Product functional model·····························2-42.2.1 Product function Block···························2-42.2.2 GM7 Series System Equipment Product·················2-5 Chapter 3. General Specification························3-1 3.1 General specifications······························3-1 Chapter 4. Names of Parts··························4-1~4-6 4.1 Base Unit······································4-14.1.1 10-point base unit······························4-34.1.2 20-point base unit······························4-34.1.3 30-points Base Unit·····························4-34.1.4 40-Points Base Unit·····························4-44.1.5 60-Points Base Unit·····························4-44.2 Expansion Module·································4-54.2.1 Digital I/O Module······························4-54.2.2 A/D ・ D/A Combination Module·····················4-54.2.3 Analogue timer Module···························4-54.2.4 Option Module································4-6  Chapter 5. CPU·······························5-1~5-48 5.1 Power Supply Specifications··························5-15.2 CPU Specifications································5-25.3 Operation Processing·······························5-45.3.1 Operation Processing Method·······················5-45.3.2 Operation Processing at momentary power failure occurrence··5-55.3.3 Scan time···································5-65.3.4 Scan-watchdog timer····························5-65.3.5 Timer processing·······························5-75.3.6 Counter processing·····························5-95.4 Program······································5-115.4.1 Program configuration··························5-115.4.2 Program execution procedure······················5-125.4.3 Task······································5-155.4.4 Error handling·······························5–225.4.5 Precautions when using special modules···············5–235.5 Operation modes·································5-245.5.1 RUN mode··································5-245.5.2 STOP mode·································5-255.5.3 PAUSE mode································5-255.5.4 DEBUG mode································5-255.5.5 Operation mode Change·························5-265.6 Functions·····································5-285.6.1 Restart mode································5-285.6.2 Self-diagnosis·······························5-305.6.3 Remote function······························5-305.6.4 I/O Force On/Off function·························5-315.6.5 Direct I/O operation function·······················5-325.6.6 External device error diagnosis function···············5-325.7 Memory Configuration·····························5–355.8 I/O No. Allocation Method···························5–375.9 Built-in Flash Memory······························5–375.9.1 Structure···································5-375.9.2 Usage·····································5-385.10 External Memory Module···························5–405.10.1 Structure··································5-405.10.2 Usage····································5-40  5.11 Battery······································5–435.12 RTC module···································5–44 Chapter 6. Input and Output Modules··················6-1~6-13 6.1 Input and Output Specifications························6-16.2 Digital Input Specifications··························6–26.2.1 Base Unit···································6-26.2.2 Extended Module·······························6-66.3 Digital output Specifications··························6–76.3.1 Base unit (Relay output)··························6-76.3.2 Base unit (Transistor output)······················6-106.3.2 Extended Module······························6-13 Chapter 7. Usage of Various Functions·················7-1~7-52 7.1 Built-in function·································7–17.1.1 High-speed counter function······················7-17.1.2 Pulse Output Function··························7-87.1.3 Pulse Catch function···························7-187.1.4 Input Filter function····························7-207.1.5 PID Control function····························7-217.1.6 External Interrupt function························7-407.2 Special Module··································7–427.2.1 A/D-D/A Combination··························7–427.2. 2 Analogue Timer······························7–50 Chapter 8. Communication Function·················8-1~8-115 8.1 Direct Protocol Communication························8–18.1.1 Introduction··································8-18.1.2 System Configuration method·······················8-28.1.3 Frame Structure·······························8-58.1.4 List of Commands······························8-88.1.5 Data Type···································8-98.1.6 Execution of Commands·························8-108.1.7 1:1 Built-in Communication between GM7’s·············8-308.1.8 Error Codes·································8-488.2 User Defined Protocol Communication···················8–508.2.1 Introduction·································8-50
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