Programming manual M238 | 3 MB - BERGER - POSITEC

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Memory Mapping This table shows the different types of areas with their sizes for the TM238LDD24DT and TM238LDA24DR memory: Area Element Size (bytes) System Area 524 kbytes Customer Area 500 kbytes System Area Mappable Addresses %MW0...%MW59999 System and Diagnostic variables (%MW60000...%MW60199) This memory is accessible through ModBus requests only. These must be read-only requests. Dynamic Memory Area: Read Relocation Table (see page 28) (%MW60200...%MW61999) This memory is accessible through ModBus requests only. These must be read-only requests. 120000 26 EIO0000000384 04/2012 400 3600 Reserved 400 Dynamic Memory Area: Write Relocation Table 3600 (see page 28) (%MW62200...%MW63999) This memory is accessible through ModBus requests only. These can be read or write requests. Reserved 408576 Variables (including Retain and Persistent variables, see table below) 512000 1 Application Libraries (see page 27) Symbols (1) Size checked at build time and must not exceed the value indicated in the table. 10568 bytes Battery Saved RAM 8168 bytes Retain Variables 2 400 bytes Persistent Retain Variables 2000 bytes %MW0...%MW999 (2) Not all the 8168 bytes are available for the customer application because some libraries may use Retain Variables.
System Variables Library Sizes Memory Mapping For more information on System Variables, refer to the M238 PLCSystem Library Guide. Library Name Average Size Comment M238 HSC (see Modicon M238 Logic Controller, High Speed Counting, M238 HSC Library Guide) 10 kbytes Depends on the functions used. M238 PLCSystem (see Modicon M238 Logic Controller, System Functions and Variables, M238 PLCSystem Library Guide) M238 PTOPWM (see Modicon M238 Logic Controller, Pulse Train Output, Pulse Width Modulation, M238 PTOPWM Library Guide) 25 kbytes Always embedded in the application. The use of the functions does not consume additional memory. 10 kbytes Depends on the functions used. PLC Communication 20 kbytes Depends on the functions used. CANopen Stack 115 kbytes Depends on the functions used. Each CANopen Slave consumes approximately an additional 10 kbytes of memory. EIO0000000384 04/2012 27
Page 1 and 2: EIO0000000384.04 Modicon M238 Logic
Page 3 and 4: Table of Contents Safety Informatio
Page 5 and 6: Chapter 16 Loader Device Accessory
Page 7 and 8: Important Information NOTICE Safety
Page 9 and 10: At a Glance Document Scope Validity
Page 11 and 12: Product Related Information User Co
Page 13 and 14: Modicon M238 Logic Controller M238
Page 15 and 16: Modicon M238 Logic Controller How t
Page 17 and 18: Device Tree How to Configure the Co
Page 19 and 20: Libraries Introduction Modicon M238
Page 21 and 22: Modicon M238 Logic Controller Suppo
Page 23 and 24: Introduction Modicon M238 Logic Con
Page 25: Customer Area 1000 kbytes TM238LDD2
Page 29 and 30: Memory Mapping Relocation Table Edi
Page 33 and 34: Task Configuration Screen Tasks Scr
Page 35 and 36: Task Types Introduction Cyclic Task
Page 37 and 38: Tasks External Event Task This type
Page 39 and 40: Task Priorities Introduction Tasks
Page 41 and 42: Default Task Configuration Tasks De
Page 45 and 46: Note 1 Note 2 Note 3 Note 4 Note 5a
Page 47 and 48: Note 8 Note 9 Controller States and
Page 49 and 50: 7.2 Controller States Description C
Page 51 and 52: Controller States and Behaviors Tas
Page 53 and 54: 7.3 State Transitions and System Ev
Page 55 and 56: Controller States and Behaviors Ini
Page 57 and 58: Commanding State Transitions Run Co
Page 59 and 60: Reset Cold Reset Origin Controller
Page 61 and 62: Controller States and Behaviors 9.
Page 63 and 64: Error Detection, Types, and Managem
Page 67 and 68: Tab Descriptions Controller Device
Page 69 and 70: PLC Settings Overview The figure be
Page 71 and 72: Services Services Tab The Services
Page 73 and 74: Overview Modicon M238 Logic Control
Page 75 and 76: M238 Embedded Functions HSC Configu
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M238 Embedded Functions I/O Configu
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Configuration Parameters For each d
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M238 Embedded Functions PTO_PWM Con
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Modicon M238 Logic Controller Expan
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Modicon M238 Logic Controller CANop
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CANopen Configuration CANopen Opera
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Overview Modicon M238 Logic Control
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General Functional Description AS-I
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The following table describes the d
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Add an AS-Interface Master Module I
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Configure an AS-Interface Master In
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Tab Name Configuration Window Descr
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Step Action AS-Interface Configurat
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AS-Interface Configuration Add a Sl
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Configure an AS-Interface Slave Int
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AS-Interface Configuration The tabl
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Modification of Slave Address At a
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Step Description AS-Interface Confi
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AS-Interface Configuration Diagnost
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Diagnostic of AS-Interface Slave De
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Configuration of a Replaced AS-Inte
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Introduction Modicon M238 Logic Con
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Step Action 3 Click the Physical Se
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Serial Line Configuration The follo
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Configure the Manager To configure
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SoMachine Network Manager Introduct
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Modbus IOScanner Introduction Seria
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Adding a Device on the Modbus IOSca
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Step Action To configure the Modbus
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Step Action To configure your Modbu
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Serial Line Configuration These scr
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Modbus Manager Introduction Serial
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Modbus Master Modbus Slave Serial L
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Adding a Modem Serial Line Configur
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Modicon M238 Logic Controller Ether
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Step Action Comment 3 Select 499TWD
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Step Action Comment 3 Enter the val
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Introduction Modicon M238 Logic Con
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M238 - Connecting the Modicon M238
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Active Path of the Controller Intro
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Loader Device AccessoryDescription
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Physical Description Overview 1 Bat
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LED Status and Diagnostic LED Statu
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Firmware and SoMachine Software Com
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Loader Device Accessory 16.2 Upload
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Upload From the Controller to the U
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Interrupting a download can erase t
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16.4 Other Functionalities What’s
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Update the Firmware of the Loader D
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Updating the firmware requires one
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Updating Through USB Introduction U
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Launching the Exec Loader Wizard In
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Step 2 - Settings Selecting Setting
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Step 3 - File and Device Exec Prope
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Step 4 - Transfer Progress Overview
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Modicon M238 Logic Controller Modic
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Check Action Resolution: Modicon M2
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Modicon M238 Logic Controller - Tro
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Modicon M238 Logic Controller - Tro
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Frequently Asked Questions Modicon
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Page 207 and 208:
Page 209 and 210:
ASI_CmdSetAutoAddressing AS-Interfa
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ASI_CmdSetDataExchange Description
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ASI_CmdSetOfflineMode Description G
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ASI_MasterStatusCheck Description G
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ASI_SlaveAddressChange Description
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ERROR: Detected Error Codes The ERR
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The following table describes the o
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Output Type Comment LAS ARRAY[0..7]
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The following table describes the o
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Page 229 and 230:
How to Use a Function or a Function
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Step Action Function and Function B
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Function and Function Block Represe
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SetSerialConf: Change the Serial Li
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Functions to get/set serial line co
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Modicon M238 Logic Controller M238
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application source ARP ASCII BOOTP
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controller cyclic task data log DHC
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Flash Memory FTP function block Glo
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LD located variable MAC address MAS
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periodic execution persistent data
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SDO sequential function chart See S
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Modicon M238 Logic Controller Index
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Programming manual M238 | 3 MB - BERGER - POSITEC

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