SmartAXIS Touch User's Manual
22-1
22
Communication
1
This chapter describes the communication between the Touch and the external device.
1.1 Overview
PLC Link Communication refers to the communiation protocol used for communication with the Touch, via the CPU
Unit
or PLC Link Unit
Programming Port of the external device connected to the Touch.
The Touch continuously reads the value of device of external devices on the currently displayed screen, and external
devices (such as relays and registers) on the screens are updated with the latest data at all times.
When a button is pressed or a command is executed in the Touch screen, the value is written to the external device.
*1 Unit names vary based on the manufacturer of the external device.
Chapter 22
Communication
1
PLC Link Communication
Touch
1234
External device
PLC Link Commuication
0
1
Read
Write
D0:
M0:
1234
Numerical Display
Reference Device: D0
Bit Button
Destination Device: M0
For details regarding the PLC Link Communication, refer to Chapter 1 "PLC Link Communication" and
Chapter 2 "Connection to a PLC" in the "External Device Setup Manual".
Содержание SmartAXIS Touch FT1A Series
Страница 1: ...FT1A Series FT9Y B1390 4 SmartAXIS Touch User s Manual ...
Страница 22: ...Contents Preface 21 SmartAXIS Touch User s Manual ...
Страница 240: ...6 Using Library Screens 4 36 SmartAXIS Touch User s Manual ...
Страница 416: ...2 Multi State Lamps 8 26 SmartAXIS Touch User s Manual ...
Страница 558: ...9 Calendar 9 142 SmartAXIS Touch User s Manual ...
Страница 668: ...6 Timer 11 52 SmartAXIS Touch User s Manual ...
Страница 754: ...4 Using Data and Detected Alarms 13 34 SmartAXIS Touch User s Manual ...
Страница 792: ...4 Using the Data 14 38 SmartAXIS Touch User s Manual ...
Страница 810: ...4 Using the Data 15 18 SmartAXIS Touch User s Manual ...
Страница 870: ...3 Text Manager 19 16 SmartAXIS Touch User s Manual ...
Страница 924: ...6 Important Notes 20 54 SmartAXIS Touch User s Manual ...
Страница 1036: ...5 User Communication 22 74 SmartAXIS Touch User s Manual ...
Страница 1092: ...2 Monitoring on the Touch 24 26 SmartAXIS Touch User s Manual ...
Страница 1142: ...2 Word Devices 27 18 SmartAXIS Touch User s Manual ...
Страница 1186: ...2 Analog Cartridge 29 34 SmartAXIS Touch User s Manual ...
Страница 1194: ...3 Handling Problems 30 8 SmartAXIS Touch User s Manual ...