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Omron E5CN-H Communications Manual
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Com Data
f
or Modbus
SECT
ION 6
Comm
un
icat
ion
s Dat
a f
or Modb
us
6-16
0
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Bit position
Event input 1
Event input 2
Event input 3
Event input 4
Write mode
EEPROM
Setup area
AT execute/cancel
RUN/STOP
Communications writing
Auto/manual switch
Program start
Heater overcurrent (CT2)
Heater current hold (CT2)
HS alarm (CT2)
Operating status
Event inputs
HB error
116
118
Table of Contents
Preface
2
Read and Understand this Manual
3
Application Considerations
3
Disclaimers
4
Safety Precautions
5
Precautions for Safe Use
8
Conventions Used in this Manual
10
Table of Contents
12
Communications Methods
14
Overview of Communications Methods
15
Introduction
15
Communications Specifications
16
Transmission Procedure
16
Interface
17
Wiring
17
Communications Parameters
21
Communications Parameter Setup
21
Communications Parameters
22
Setting Communications Writing
23
Compoway/F Communications Procedures
24
Data Format
25
Command Frame
25
Response Frame
26
BCC Calculation Example
26
Communications Data
27
End Code Example
27
Structure of Command Text
29
PDU Structure
29
Area Definitions
29
Type Code (Variable Type)
29
Addresses
30
Number of Elements
30
List of Services
30
Detailed Description of the Services
32
Read Variable Area
32
Write Variable Area
33
Composite Read from Variable Area
35
Composite Write to Variable Area
36
Read Controller Attributes
38
Read Controller Status
39
Echoback Test
40
Operation Command
41
Response Code List
48
Communications Data for Compoway/F and SYSWAY
50
Variable Area (Setting Range) List
51
Status and Status 2
65
Status Structure
65
Status 2 Structure
67
Status Details
68
Status 2 Details
69
Data Format
71
Command Frame Format
71
FCS Calculation Example
71
Response Frame
72
Communications Data
72
SYSWAY Command Lists
73
Command Descriptions
74
Read Process Value
74
Write Set Values
75
Read Set Values and MV Monitor
76
Select Communications Writing
78
Modbus Communications Procedure
80
Data Format
81
Command Frame
81
Calculation Example
82
Response Frame
83
Normal Response Frame
83
Error Response Frame
83
Error Codes
84
No Response
84
Function List
85
Variable Area
86
Addresses
86
Detailed Description of the Services
88
Variable Read, Multiple
88
Number of Elements
88
Variable Write, Multiple
90
Variable Write, Single/Operation Command
93
Echoback Test
100
Communications Data for Modbus
102
Variable Area (Setting Range) List
103
Status and Status 2
116
Status Structure
116
Status 2 Structure
118
Status Details
119
Status 2 Details
120
Appendix
122
ASCII List
122
Troubleshooting
124
Index
126
Revision History
128
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Omron E5CN-H Specifications
General
Brand
Omron
Model
E5CN-H
Category
Controller
Language
English
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