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MELSEC-A
User manual
Mitsubishi Electric MELSEC-A User Manual
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Contents
Table of Contents
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Table of Contents
Table of Contents
Function)
Buffer Memory Applications and Allocation
Ratio of an External Device (Computer. Etc.) to a PC CPU
N Ratio of an External Device (Computer. Etc.) to PC Cpus
Ratio of External Devices (Computer. Etc.) to a PC CPU
N Ratio of External Devices (Computer, Etc.) to PC Cpus
M : N Ratio of External Devices (Computer. Etc.) to PC Cpus
When Using an AJ71UC24 as a Master Station
When Using an AJ71UC24 as a Local Station
When Using a Multidrop Link Function and a Computer Link Function Simultaneously
Computer Link Function
Specifications
General Specifications
RS-232C Connector Specifications
Cable Specifications
Data Communications Functions
Functions Available Using Dedicated Protocols and Commands
Functions Available in the Bidirectional Mode
Transmission Error Data Read Function
Mode Switching Function During Computer Link Operations
Precautions When Mode Switching
Procedure for Switching the Mode from an External Device
Procedure for Switching the Mode from a PC CPU
Data Communications Transmission Control Function
110 Signals List for CPU
Settings and Procedures before Operation
LED Signals and Displays
Settings
Setting the Dedicated Protocol, No-Protocol Mode. or Bidirectional Mode
Setting of Transmission Specifications. Main Channels and Terminal
Resistance
Station Number Setting
Terminal Resistance Connections
Loading and Installation
Handling Instructions
Installation Environment
Precautions During Wiring
Connecting the RS-232C Connectors
Connecting the RS-4221485 Connectors
Connecting a Multidrop Link and Setting Modes and Terminal Resistance
Loopbacktest
Maintenance and Inspection
Half-Duplex Communications Using the Rs232C Interfacei
Data Communications Using an M:n Multidrop Link
Memory
Setting RS-232C CD Terminal Check Enableidisable
Setting the Transmission Method for RS-232C
Reading Transmission Error Data
Settings in the No-Protocol Mode
Settings in the Bidirectional Mode
Mode Switching Setting
Reading in the Mode Setting State
Mode Switching Designation
Transmission Control Setting
Reading RS-232C Signal Data
Reading the Transmission Specification Settingswitch Statuses
Communications Using Dedicated Protocols
Data Flow in Communications with Dedicated Protocols
Programming Hints
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PROGRAMMABLE
CONTROLLER
hmlwc-A
User's Manual
Computer link/multidrop link module
type AJ71 UC24
(Supplement)
CATALOG #JUM-454
$15.00
MlTSUBlSHl
ELECTRIC
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