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Omron CPM2C User Manual
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228
Unit Component
s and Functions
Section 7-2
7-2
Unit C
ompone
nts and Fu
nction
s
The following diagram shows th
e majo
r co
mponent
s of th
e Simple
Communi-
catio
ns
Uni
t.
1.
RS-422/RS-485 por
t
3.
RS-422/RS-485
switch (SW1)
2.
RS-232C por
t
4.
CPU Unit Connector
5.
DM area setting switch (SW2)
6.
Status indicators
Front Vie
w
Side View
T
op View
8.
T
er
minating
resistance
switches (SW4)
7.
Communications
switch
(
SW3
)
Cov
er
Use a sc
rewdriver or
similar device if the
cov
er is difficult to open.
250
252
Table of Contents
Table of Contents
6
Precautions
14
General Precautions
15
Intended Audience
15
Safety Precautions
15
Application Precautions
17
Operating Environment Precautions
17
EC Directives
20
Section 1 Introduction
24
Introduction
24
CPM2C Features and Functions
25
CPM2C Features
25
Overview of CPM2C Functions
30
System Configurations
32
CPU Units
32
Power Supply Unit
33
CPU Unit, Expansion Units, and Expansion I/O Units
33
Structure and Operation
37
CPU Unit Structure
37
Operating Modes
38
Operating Mode at Startup
38
PC Operation at Startup
39
Cyclic Operation and Interrupts
41
Functions Listed by Usage
44
Functions Listed by Usage
45
Comparison with the CPM1A and CPM2A
46
Comparison with the CPM1A and CPM2A
47
Preparation for Operation
53
Preparation for Operation
54
Changes in SW2
54
Changes in SW2
55
Section 2 Unit Components and Specifications
58
Unit Components and Specifications
58
Specifications
59
General Specifications
59
Characteristics
59
I/O Specifications
61
AC Power Supply Unit Specifications
69
Unit Components
70
CPU Unit Components
70
Expansion I/O Units
82
CPM2C-MAD11 Analog I/O Unit
92
CPM2C-TS001/TS101 Temperature Sensor Units
93
CPM2C-SRT21 Compobus/S I/O Link Unit
95
CPM2C-CIF21 Simple Communications Unit
96
CPM2C-CIF01-V1 Peripheral/Rs-232C Adapter Unit
100
CPM2C-CIF11 RS-422/RS-232C Adapter Unit
102
AC Power Supply Unit
105
Section 3 Installation and Wiring
106
Installation and Wiring
106
Design Precautions
107
Power Supply Wiring
107
Power Supply Voltage
107
Interlock and Limit Circuits
107
Selecting an Installation Site
108
Installation Site Conditions
108
Panel/Cabinet Installation
108
Installing the CPM2C
109
Connecting Units
110
CPM2C Installation
111
Wiring and Connections
112
General Precautions for Wiring
112
Power Supply Wiring
113
Using the AC Power Supply Unit
114
Removing and Wiring I/O Terminal Blocks
116
Removing and Wiring I/O Connectors
117
Using I/O Terminals and Relay Terminals
123
Connecting Input Devices
124
Connecting Output Devices
139
Port Connection
164
Programming Device Connections
165
No-Protocol Communications
169
OMRON PT Connections
170
One-To-One PC Link Connections
171
Compobus/S I/O Link Connections
172
Section 4 Using a Programming Console
174
Using a Programming Console
174
Using a Programming Console
175
Connecting the Programming Console
175
Compatible Programming Consoles
177
Changing the Cpm2C's Mode with the Mode Switch
180
Preparation for Operation
181
Entering the Password
182
Programming Console Operations
183
Overview
183
Clearing Memory
184
Memory All Clear
185
UM Allocation Information Read
185
Reading/Clearing Error Messages
186
Buzzer Operation
186
Assigning Expansion Instruction Function Codes
187
Setting and Reading a Program Memory Address and Monitoring
188
I/O Bit Status
188
Entering or Editing Programs
188
Instruction Search
191
Bit Operand Search
192
Inserting and Deleting Instructions
193
Checking the Program
194
Bit, Digit, Word Monitor
195
Differentiation Monitor
197
Binary Monitor
197
Three-Word Monitor
198
Signed Decimal Monitor
199
Unsigned Decimal Monitor
199
Three-Word Data Modification
200
Changing Timer, Counter SV
200
Hexadecimal, BCD Data Modification
201
Binary Data Modification
202
Signed Decimal Data Modification
203
Unsigned Decimal Data Modification
204
Force Set, Reset
204
Clear Force Set/Reset
205
Hex-ASCII Display Change
206
Displaying the Cycle Time
206
Reading and Setting the Clock
207
Programming Example
208
Preparatory Operations
208
Example Program
209
Programming Procedures
210
Checking the Program
213
Test Run in MONITOR Mode
213
Section 5
216
Test Runs and Error Processing
216
Initial System Checks and Test Run Procedure
217
Initial System Checks
217
Flash Memory Precautions
217
CPM2C Test Run Procedure
217
Self-Diagnostic Functions
218
Identifying Errors
218
User-Defined Errors
219
Non-Fatal Errors
219
Fatal Errors
220
Programming Console Operation Errors
221
Programming Errors
221
Communications Errors
221
Troubleshooting Flowcharts
223
Maintenance Inspections
231
Battery Replacement
232
Section 6 Expansion Memory Unit
234
Expansion Memory Unit
234
Overview
235
Memory Areas
235
Precautions
235
Specifications and Nomenclature
236
Specifications
236
Nomenclature
236
Handling
237
Mounting/Removing EEPROM
237
PC Connections
238
Uploading Programs
239
Downloading Programs
241
Section 7 Simple Communications Unit
244
Simple Communications Unit
244
Introduction
245
Features
245
System Configuration
245
Processing Component Data
247
Unit Components and Functions
251
Preparation for Operation
256
Unit Connections
256
Switch Settings
257
PC Settings
258
Component Settings
259
Data Memory (DM) Allocation
260
Shared Area
260
Individual Unit Areas
266
DM Settings and Component Communications
277
DM Settings
277
Precautions for Component Communications
278
Starting Communications with the Components
278
Error Processing
279
Fatal Errors (ERR Indicator Lit)
280
Non-Fatal Errors (ERR Indicator Flashing)
280
Data Refresh Intervals (Reference Data)
281
Example Application
281
System Configuration
282
System Preparation
283
DM Settings and Component Communications
284
Ladder Program for DM Settings
288
Standard Models
290
Dimensions
296
DM Settings Assignment Sheets
304
SYSMAC and SYSMAC-CPT Support Software
312
D SYSMAC and SYSMAC-CPT Support Software
317
Index
318
Revision History
324
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Omron CPM2C Specifications
General
Brand
Omron
Model
CPM2C
Category
Controller
Language
English
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