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NX-ECC201
Omron NX-ECC201 User Manual
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7 Wiring
7 - 28
NX-series EtherCA
T Coupler Un
it User
’s Manual (W519)
7-4
Wiring External Signal Lines
Refer to the sections on wiring in the user’s manuals for individ
ual NX Units for information on wiring
the external I/O sign
al lines betwee
n the external de
vices and the NX Units.
For prec
autions on w
iring in co
ntrol panels, refe
r to
6-2 Control Panel Installation
on page 6-23.
159
161
Table of Contents
Introduction
3
Table of Contents
4
Relevant Manuals
10
Manual Structure
12
Read and Understand this Manual
14
Safety Precautions
17
Precautions for Safe Use
21
Precautions for Correct Use
25
Regulations and Standards
26
Unit Versions
28
Related Manuals
31
Terminology
34
Revision History
36
Sections in this Manual
37
Ethercat Networks
39
Section 1 Ethercat Networks
40
Introduction to Ethercat
40
How Ethercat Works
40
Types of Ethercat Communications
42
Ethercat Network Configuration Elements
43
System Configuration Example of an Ethercat Network
43
Introduction to Configuration Devices
44
Features and System Configuration
47
Section 2 Features and System Configuration
48
Features of Ethercat Slave Terminals
48
System Configurations of Ethercat Slave Terminals
50
System Configuration
50
A-7-1 Relationship between the Unit Versions of Ethercat Coupler Unit and Sysmac Studio
51
Types of NX Units
52
Support Software
53
Applicable Support Software
53
Connection Method and Procedures
53
Scope of Access When Connected to the USB Port on the Ethercat Coupler Unit
55
Specifications and Application Procedures
57
Section 3 Specifications and Application Procedures
58
Specifications
58
General Specifications of Ethercat Slave Terminals
58
Ethercat Coupler Unit Specifications
58
End Cover Specifications
61
Procedures
62
Ethercat Slave Terminal Application Procedures
62
Details
64
Part Names and Functions
69
Section 4 Part Names and Functions
70
Parts and Names
70
Ethercat Coupler Units
70
NX Units
71
End Cover
72
Indicators
73
Hardware Switch Settings
77
Rotary Switches
77
DIP Switch
77
Setting the Node Address
78
Communications Connector and Peripheral USB Port
79
Terminal Block
80
DIN Track Contact Plate
81
Designing the Power Supply System
83
Section 5 Designing the Power Supply System
84
Power Supply System and Design Concepts
84
Power Supply System and Types of Power Supplies
84
NX-Series Power Supply-Related Units
85
Design Concepts for Power Supply to the Ethercat Slave Terminal
87
Designing the NX Unit Power Supply System
88
Procedure for Designing the NX Unit Power Supply System
88
Calculation Example for the NX Unit Power Supply
89
Designing the I/O Power Supply System
91
I/O Power Supply Method
91
Designing the I/O Power Supply from the NX Bus
92
Designing the I/O Power Supply from External Sources
96
Selecting External Power Supplies and Protective Devices
97
Selecting the Unit Power Supply
97
Selecting the I/O Power Supplies
99
Selecting Protective Devices
99
Installation
101
Section 6 Installation
102
Installing Units
102
Installation Precautions
102
Preparations for Installation
106
Installation Orientation
108
Installing the Ethercat Coupler Unit
109
Installing and Connecting NX Units
111
Mounting the End Cover
115
Mounting the End Plates
116
Attaching Markers
117
Removing Units
118
Assembled Appearance and Dimensions
120
Control Panel Installation
123
Temperature
123
Humidity
125
Vibration and Shock
125
Atmosphere
125
Electrical Environment
126
Grounding
131
Wiring
133
Precautions for Wiring the Ethercat Slave Terminal Together with Computers and Other Peripheral
133
Ethercat Network Wiring
134
Installation Precautions
134
Preparations for Installation
135
Pin Arrangement of Communications Connectors on the Ethercat Coupler Unit
136
Connecting Communications Cables and Connectors
137
Connecting Communications Cables
138
Connecting the Power Supply and Ground Wires
140
Wiring the Ethercat Coupler Unit
140
Wiring the Power Supply to the Ethercat Slave Terminal
141
Grounding the Ethercat Slave Terminal
141
Precautions for Wiring the Ethercat Slave Terminal Together with Computers and Other Peripheral Devices
145
With Computers and Other Peripheral Devices7-13
145
Wiring to the Screwless Clamping Terminal Block
146
Connecting USB Cable
158
Wiring External Signal Lines
160
Ethercat Communications
161
Structure of CAN Application Protocol over Ethercat (Coe)
162
Ethercat Slave Information Files (ESI Files)
163
Transitions of Communications States
164
Process Data Objects (Pdos)
165
Introduction
165
PDO Mappings
166
Assigning Pdos
168
Service Data Objects (Sdos)
169
Introduction
169
Abort Codes
169
Communications between an Ethercat Master and Slaves
170
Communications Modes for Communications between an Ethercat Master and Slaves
170
Communications Modes for Ethercat Slave Terminals
170
Communications Cycle
170
Setting up Slave Terminals
171
Settings and Setting Procedures
172
Items to Set
172
Slave Terminal Parameters
172
Variable Assignment Settings
173
Setting Procedures
173
Setting Slave Terminal Parameters
174
Items to Set
174
Settings as an Ethercat Slave
176
Setting the Unit Configuration Information
178
I/O Allocation Information
181
I/O Allocation Information
183
Unit Operation Settings
193
Unit Application Data
195
Sysmac Studio Functions Used as Required
195
Assigning Variables
199
Methods to Assign Variables
199
Assigning Device Variables to I/O Ports
200
I/O Ports for Status that Accept Device Variable Assignments
202
Assigning Axis Variables
203
Transferring and Comparing Settings
204
Transferring Settings
204
Comparing Settings
206
Backing up Settings
207
Backup Functions
207
SD Memory Card Backup Function
208
Sysmac Studio Controller Backup Function
208
Data that Is Backed up
209
Backing up the Slave Terminal Settings by Transferring Data
210
Precautions in Changing the Unit Configuration
211
I/O Data that Require Specification of NX Unit Numbers
211
Synchronous I/O Refresh Cycle
212
Using Settings from NX Units on Other Slave Terminals
213
I/O Refreshing
215
Section 10 I/O Refreshing
216
Introduction to I/O Refreshing for Ethercat Slave Terminals
216
I/O Refreshing for Ethercat Slaves
218
I/O Refreshing Modes
218
I/O Refreshing Mode Operation
218
I/O Refreshing for Ethercat Slave Terminals
220
I/O Refreshing Methods
220
Setting the I/O Refreshing Methods
220
Selecting NX Units
221
I/O Refreshing Method Operation
221
Ethercat Coupler Unit Functions
225
Section 11 Ethercat Coupler Unit Functions
227
Functions
227
NX Unit Mounting Settings
229
Introduction
229
Applications
230
Setting NX Units as Unmounted Units
231
Sysmac Device Functionality Unique to Ethercat Slaves
232
Security
234
Supported Security Functions
234
Specifications of Verification of Operation Authority for the Ethercat
234
Slave Terminal
234
Event Logs
236
Introduction
236
Detailed Information on Event Logs
237
Reading Event Logs
240
Clearing Event Logs
241
Exporting the Event Log
243
Clearing All Memory
244
Introduction
244
Details on Clearing All Memory
244
Procedure for Clearing All Memory
245
Restarting
246
Introduction
246
Details on Restarting
246
Procedure for Restarting
247
Changing Event Levels
248
Introduction
248
Details on Changing Event Levels
248
Procedure to Change an Event Level
249
Resetting Errors
251
Introduction
251
Details on Resetting Errors
251
Procedure to Reset Errors
252
Performance of Process Data Communications
256
I/O Response Times for Synchronous I/O Refreshing
256
I/O Response Times for Free-Run Refreshing
268
Message Response Time
276
Special Instructions
276
Message Response Time
277
Troubleshooting
279
How to Check for Errors
280
Checking for Errors and Troubleshooting with the Indicators
281
Checking for Errors and Troubleshooting with
281
Checking for Errors and Troubleshooting with
289
Checking for Errors and Troubleshooting on the Sysmac Studio
290
Checking for Errors from the Sysmac Studio
290
Event Codes for Errors and Troubleshooting Procedures
292
Resetting Errors
318
Error Notification Methods
319
Error Notifications Based on the Sysmac Error Status
320
Emergency Messages
321
Enabling/Disabling Emergency Message Notification
321
Error Logs
321
Emergency Error Codes
322
Error Notifications Based on the al Status
325
Procedure for Checking al Status Codes
325
AL Status Codes
325
AL Status Codes
326
Troubleshooting Other Errors
328
13-10Troubleshooting Flow When Errors Occur
329
When the Sysmac Studio Is Connected to an NJ-Series CPU Unit
329
When the Sysmac Studio Is Connected to the Ethercat Coupler Unit
330
13-11Troubleshooting When the Sysmac Studio Cannot Go Online
331
Cannot Go Online
331
Troubleshooting by Cause
332
Maintenance and Inspection
333
Cleaning and Maintenance
334
Cleaning
334
Periodic Inspections
334
Maintenance Procedures
336
Backing up Data
336
Replacement Procedure for the Ethercat Coupler Unit
337
Basic Replacement Procedure for NX Units
338
Appendices
341
Dimensions
343
A-1-1 Ethercat Coupler Unit
343
Ethercat Coupler Unit
343
A-1-2 End Cover
344
End Cover
344
Supplementary Information on Sysmac Studio Functions
345
Functional Differences on the Sysmac Studio Based on the Connected Port
345
Port
345
A-2-2 Transferring the Unit Operation Settings
346
Transferring the Unit Operation Settings
346
Special Instructions
347
A-3-1 Instructions
347
A-3-2 Specifying the Targets for Instructions
347
Instructions
347
Specifying the Targets for Instructions
347
Connecting to Masters from Other Manufacturers
349
A-4-1 Basic Connection Procedures
349
Basic Connection Procedures
349
A-4-2 Supplementary Information for Connections with a Master from Another Manufacturer
350
A-4-2 Supplementary Information for Connections with a Master from
350
Another Manufacturer
350
A-5 Coe Objects
353
A-5-3 Assigning Objects
354
Assigning Objects
354
A-5-4 Format of Objects
356
A-5-5 Communication Objects
357
Communication Objects
357
A-5-6 PDO Mapping Objects
361
A-5-7 Sync Manager Communications Objects
370
Manufacturer-Specific Object 1
374
Manufacturer-Specific Object 2
377
A-5-10 Device Profile Area
384
A-5-11 Modular Device-Specific Area
389
NX Objects
392
A-6-1 NX Objects
392
A-6-2 Format of Object Descriptions
392
Format of Object Descriptions
392
Unit Information Object
393
A-6-4 Objects that Accept I/O Allocations
394
Other Objects
396
Version Information
399
Relationship between the Unit Versions of Ethercat Coupler Unit
399
A-7-2 Relationship between Unit Versions of Ethercat Coupler Unit and CPU Units
399
A-7-1 Relationship between the Unit Versions of Ethercat Coupler Unit and
399
Relationship between Unit Versions of Ethercat Coupler Unit and CPU
399
4
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Omron NX-ECC201 Specifications
General
Brand
Omron
Model
NX-ECC201
Category
Controller
Language
English
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