
WindO/I-NV4 User’s Manual
3-1
3
Communic
ation
1
This chapter describes the communication between the MICRO/I and the external device.
1.1 Overview
Device Link Communication refers to the communication protocol used for communication with the MICRO/I, via the
CPU Unit
Programming Port of the external device connected to the MICRO/I.
The MICRO/I continuously reads the values of the external device addresses 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 MICRO/I screen, the value is written to the external device
address.
*1 Unit names vary based on the manufacturer of the external device.
Chapter 3
Communication
1
Device Link Communication
HG3G
HG2G-5F
HG5G-V HG4G-V
HG3G-V
HG2G-V
HG2G-5T
HG4G
HG1G HG1P
MICRO/I
1234
External device
Device Link Communicationn
0
1
Read
Write
D0:
M0:
1234
Numerical Display
Reference Device Address: D0
Bit Button
Destination Device Address: M0
For details regarding the Device Link Communication, refer to Chapter 1 "Device Link Communication" and
Chapter 2 "Connection to External Devices" in the WindO/I-NV4 External Device Setup Manual.
Summary of Contents for MICRO/I HG4G-CJT22 F-B Series
Page 1: ...B 1701 11 User s Manual ...
Page 26: ...Preface 25 WindO I NV4 User s Manual ...
Page 106: ...5 WindO I NV4 Common Operations and Settings 2 74 WindO I NV4 User s Manual ...
Page 254: ...7 BACnet Communication 3 148 WindO I NV4 User s Manual ...
Page 362: ...5 Screen Restrictions 5 28 WindO I NV4 User s Manual ...
Page 402: ...3 Text 7 30 WindO I NV4 User s Manual ...
Page 574: ...9 Potentiometer 8 172 WindO I NV4 User s Manual ...
Page 1052: ...4 Using the Data 15 22 WindO I NV4 User s Manual ...
Page 1170: ...6 Important Notes 20 60 WindO I NV4 User s Manual ...
Page 1200: ...5 Restrictions 22 18 WindO I NV4 User s Manual ...
Page 1260: ...5 Editing User Accounts on the MICRO I 23 60 WindO I NV4 User s Manual ...
Page 1322: ...2 Monitoring on the MICRO I 25 28 WindO I NV4 User s Manual ...
Page 1414: ...4 E mail Function 28 66 WindO I NV4 User s Manual ...
Page 1554: ...3 Settings 34 14 WindO I NV4 User s Manual ...
Page 1642: ...2 Handling Problems 36 6 WindO I NV4 User s Manual ...
Page 1652: ...5 Text Alignment A 10 WindO I NV4 User s Manual ...
Page 1664: ...Index 12 WindO I NV4 User s Manual ...