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Manuals and User Guides for Omron CJ1W-SCU32. We have
1
Omron CJ1W-SCU32 manual available for free PDF download: Operation Manual
Omron CJ1W-SCU32 Operation Manual (478 pages)
Machine Automation Controller, CJ / NJ-series, Serial Communications Units, CPU Unit
Brand:
Omron
| Category:
Controller
| Size: 4.7 MB
Table of Contents
Introduction
3
Relevant Manuals
4
Manual Configuration
5
Using Protocol Macros 6
6
Serial Gateway 7
7
Manual Structure
9
Sections in this Manual
11
Table of Contents
12
Contents
13
Read and Understand this Manual
17
Safety Precautions
20
Precautions for Safe Use
25
No-Protocol Mode
30
Precautions for Correct Use
31
Regulations and Standards
34
Unit Versions
37
Related Manuals
39
Revision History
40
Introduction
41
Using this Manual
42
Overview
43
Loopback Test
44
Protocol Overview
45
Protocol Macros
46
Loopback Test
46
Serial Gateway Mode
46
No-Protocol Mode
47
Modbus-RTU Slave Mode
47
Features
48
Serial Communications Units
48
Protocols
48
System Configurations
50
Protocol Macro, Serial Gateway, No-Protocol, or Modbus-RTU Slave
50
Specifications
54
Serial Communications Unit
54
General Specifications
55
Selecting the Serial Communications Mode
62
Basic Operating Procedure
63
Overview
63
Explanation of Procedure
64
Component Names and Functions
76
Troubleshooting and Maintenance
77
Data Exchange with the CPU Unit
82
Data Flow
82
How to Specify and Create Variables
86
Device Variable for CJ-Series Unit
88
Allocations of Device Variable for CJ-Series Unit
88
Device Variable for CJ-Series Unit for System Settings
88
Device Variable for CJ-Series Unit for Software Switches
97
Device Variable for CJ-Series Unit for Status
98
System-Defined Variable
108
Installing Serial Communications Units
112
System Configuration Precautions
112
Serial Communications Unit Installation Procedure
112
Unit Handling Precautions
113
Wiring
114
Wiring Precautions
114
Port Types
114
Communications Modes and Ports
114
Connector Pin Layout
115
Mounting Height and Connector Cover Dimensions
116
Reducing Electrical Noise for External Wiring
117
2-Wire and 4-Wire Connections
117
NT-AL001 Link Adapter Settings
118
Connections for Protocol Macro, Serial Gateway, No-Protocol Mode, and Modbus-RTU Slave Mode
119
3-2-10 Connections in Loopback Test
128
RS-232C and RS-422A/485 Wiring
129
Recommended RS-232C Wiring Examples
129
Recommended RS-422A/485 Wiring Examples
130
Wiring RS-232C Connectors on the CJ1W-SCU22/42
132
Soldering
133
Assembling Connector Hood
134
Wiring RS-422A/485 Terminal-Block Connectors on the CJ1W-SCU32/42
135
Connecting to Unit
136
Using Protocol Macros
137
Overview of the Protocol Macro Function
138
Protocol Macros
138
Using the Protocol Macros
138
Protocol Structure
140
Data Exchange Method for Link Words
146
Device Variables for CJ-Series Unit and System-Defined Variables (Protocol Macro Mode)
149
Device Variable for CJ-Series Unit for System Settings
149
Area Descriptions
151
System-Defined Variable
157
Devices Variable for CJ-Series Unit for Software Switches
158
Device Variables for CJ-Series Unit for Status
160
Protocol Status
168
Using Protocol Macros
176
Executing Communications Sequences
176
User Program Example
178
Serial Gateway
193
Serial Gateway Overview
194
Overview
194
Operating Conditions
194
Features
195
Serial Gateway Specifications
196
Device Variables for CJ-Series Unit and System-Defined Variables (During Serial Gateway Mode)
197
Device Variables for CJ-Series Unit for System Settings
197
System-Defined Variable
200
Device Variable for CJ-Series Unit for Software Switches
201
Device Variable for CJ-Series Unit for Status
201
Using the Serial Gateway
204
Setting Device Variable for CJ-Series Unit for System Settings and Software Switches
204
Sending Messages Using the Sendcmd Instruction
206
Using the Serial Gateway Function When Protocol Macros Are Executed
207
Protocol Conversion
214
Types of Protocol Conversion
214
Converting to Compoway/F
215
Compoway/F Connection Examples
217
Converting to Modbus-RTU
218
Converting to Modbus-ASCII
220
Serial Gateway
221
Serial Gateway Execution Timing for Protocol Macros
221
Serial Gateway Timeout Monitoring
223
Other Functions
224
Communications Frames
225
Compoway/F
225
Modbus-RTU
226
Modbus-ASCII
228
No-Protocol Mode
229
Section 6 No-Protocol Mode
230
Overview
230
Definition
230
Specifications
231
Connections for No-Protocol Mode
232
Device Variables for CJ-Series Unit and System-Defined Variables (No-Protocol Mode)6-5
233
Device Variables for CJ-Series Unit for System Settings
233
Device Variables for CJ-Series Unit and System-Defined Variables (No-Protocol Mode)
233
System-Defined Variable
236
Device Variable for CJ-Series Unit for Software Switches
236
Device Variable for CJ-Series Unit for Status
236
Device Variable for CJ-Series Unit for Status (When Sending/Receiving Data with Serialsend, Serialrcv, or Serialrcvnoclear Instruction)
239
Device Variable for CJ-Series Unit for Status
239
Using Serial Port I/O Instructions
240
System Settings
240
Instruction Execution Methods
240
Using Modbus-RTU Slave Mode
252
Modbus-RTU Slave System
252
Modbus-RTU Specifications
252
Communicating with NJ-Series CPU Units Using Modbus
253
Device Variables for CJ-Series Unit and System-Defined Variables (Modbus-RTU Slave Mode)
255
Device Variable for CJ-Series Unit for System Settings
255
System-Defined Variable
258
Device Variable for CJ-Series Unit for Software Switches
258
Device Variable for CJ-Series Unit
259
Command and Response Details
263
Supported Modbus-RTU Commands
263
Loopback Test
274
Executing Loopback Tests
274
Overview
274
Connection Method
274
Procedure
274
Indicators Used for the Loopback Test
275
Device Variable for CJ-Series Unit (Loopback Test)
276
Device Variables for CJ-Series Unit for System Settings
276
Device Variables for CJ-Series Unit for Status
277
Troubleshooting and Maintenance
279
Indicator Error Displays
280
Communications Status Error Notification
281
Status Area Error Information
281
Troubleshooting
282
Serial Gateway (Serial Gateway or Protocol Macro Mode)
282
No-Protocol Mode
288
Protocol Macros
294
Protocol Macros
297
Modbus-RTU Slave Mode
300
Error Logs
303
Error Log Data
303
Error Contents and Details
304
Error Codes and Troubleshooting
306
Event Logs
308
Overview of the Event Logs
308
Error Table
308
Error Descriptions
314
Error Table
314
Cleaning and Inspection
331
Cleaning
331
Inspection
331
Replacement Precautions
333
Precautions When Replacing Unit
333
Settings after Replacing Unit
333
Replacing the Unit
334
A Standard System Protocol
337
Reading Reference Documents
337
R-1-1 Using Standard System Protocols
337
R-1-2 Standard System Protocols
340
Compoway/F Master Protocol
341
Compoway/F
341
R-2-2 Communications Specifications
342
R-2-3 Transmission Procedure
342
R-2-4 Command and Response Formats
342
R-2-5 Compoway/F Master Protocol Sequences
346
R-2-6 Compoway/F Message Frames and PMCR(260) Operands
346
R-2-7 Send/Receive with ASCII Conversion and with Response
347
R-2-8 Structure of the Protocol
347
R-2-9 Connections
372
Mitsubishi Computer Link Master (A-Compatible 1C Frame, Model 1
375
R-3-1 Communications Specifications
375
Model 1
375
Communications Specifications
375
Command/Response Formats
376
Command Frame Contents
377
R-3-4 Mitsubishi Computer Link Master Protocol Sequences
377
R-3-5 Structure of the Protocol
377
V500/V520 Bar Code Reader Protocol
399
R-4-1 Connections
399
Connections
399
R-4-2 System Setting
400
System Setting
400
R-4-3 Protocol Configuration
401
Protocol Configuration
401
3Z4L Laser Micrometer Protocol
412
Connections
412
R-5-2 List of Operations with Laser Micrometer (5000/6000 Series
415
R-5-3 Protocol Configuration
417
Hayes Modem at Command Protocol
451
R-6-1 Protocol Configuration
451
Connections
453
Compatible Modems
453
R-6-2 Connections
453
R-6-4 Modem Settings
454
R-6-5 Communication Errors
459
Appendices
461
A-1 Differences in Available Functions Depending on the CPU Unit (NJ or CJ Series)
461
A-1-1 Functional Differences
462
A-1-2 Differences in Methods for Access from a User Program
463
Version Information
472
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