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Omron CPM1A User Manual
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15
One-to-N Communications
The following diagram shows how to connect up to 32 CPM1A PCs to an IBM
PC/A
T or compatible computer
.
IBM PC/A
T or compatible
RS-232C Cable
RS-422 Cable
3G2A9-AL004-E
Link Adapter
CPM1A CPU Units
RS-422
Adapters
OMRON CPM1A PCs
(32 PCs max.)
The maximum cable length of RS-422 should be 500 m.
Adapters and Cables
Th
e
following table lists some of the Adapters and Cables used in Host Link com-
munications.
Name
Usage
Model number
RS-232C Adapter
Converts to peripheral port-level
ii
CPM1-CIF01
RS-422 Adapter
pp
p
communications.
CPM1-CIF1
1
Connecting Cables
Used to connect IBM PC/A
T or
compatible computers.
(Cable length: 3.3 m)
CQM1-CIF02
Link Adapter
Converts between the RS-232C and
RS-422 formats.
3G2A9-AL004-E
System Configuration
Section 1-2
38
40
Table of Contents
Table of Contents
6
Precautions
14
Precautions
15
Intended Audience
15
General Precautions
15
Safety Precautions
15
Operating Environment Precautions
16
Application Precautions
17
EC Directives
20
Revised Specifications
22
Section 1 Introduction
25
Section 1
25
Introduction
25
CPM1A Features
25
CPM1A Features and Functions
26
CPM1A Functions
28
I/O Terminal and IR Bit Allocation
29
System Configuration
34
CPU Unit and Expansion I/O Unit Configuration
34
CPU Unit and Expansion Unit
36
Host Link Communications
38
One-To-One PC Link Communications
39
One-To-One NT Link Communications
40
Compobus/S I/O Link Connections
41
Devicenet I/O Link Connections
41
Peripheral Device Connections
41
Section 2 Unit Specifications and Components
44
Section 2
44
Specifications
45
General Specifications
45
Characteristics
46
I/O Specifications
48
Communications Adapter Specifications
53
Unit Components
54
CPU Unit Components
54
Expansion I/O Unit Components
56
Analog I/O Unit Components
58
Temperature Sensor Unit Components
59
Compobus/S I/O Link Unit Components
60
Devicenet I/O Link Unit Components
61
Communications Adapter Components
63
Unit Specifications and Components
44
Section 3 Installation and Wiring
64
Section 3
64
Installation and Wiring
64
Design Precautions
65
Power Supply Wiring
65
Interlock and Limit Circuits
65
Power Supply Voltage
65
CPM1A Power Interruptions
65
Selecting an Installation Site
66
Installation Site Conditions
66
Panel/Cabinet Installation
67
Installing the CPM1A
68
CPM1A Orientation
68
CPM1A Installation
68
Connecting an Expansion I/O Unit
70
Wiring and Connections
73
General Precautions for Wiring
73
Ground Wiring
74
Power Supply Wiring
75
Input Wiring
78
Output Wiring
84
Peripheral Device Connection
92
Host Link Connections
92
One-To-One PC Link Connections
95
One-To-One NT Link Connections
96
Compobus/S I/O Link Unit Connections
97
Devicenet I/O Link Unit Connections
98
Section 4 Using Peripheral Devices
100
Section 4
100
Support Software Capabilities
101
SSS System Setup
101
CPM1A Restrictions and Precautions
101
Offline Operations
102
Online Operations
105
Offline and Online Operations
106
Using a Programming Console
107
Compatible Programming Consoles
107
Changing the Cpm1A's Mode with the Mode Switch
109
Connecting the Programming Console
110
Preparation for Operation
111
Entering the Password
111
Programming Console Operations
113
Overview
113
Clearing Memory
114
Clearing Memory Completely
115
Reading um Allocation Information
115
Reading/Clearing Error Messages
115
Buzzer Operation
116
Setting and Reading a Program Memory Address and Monitoring I/O Bit Status
117
Entering or Editing Programs
118
Instruction Search
121
Bit Operand Search
121
Inserting and Deleting Instructions
122
Checking the Program
123
Bit, Digit, Word Monitor
124
Differentiation Monitor
126
Binary Monitor
126
Three-Word Monitor
127
Signed Decimal Monitor
128
Unsigned Decimal Monitor
128
Three-Word Data Modification
129
Changing Timer, Counter SV
129
Hexadecimal, BCD Data Modification
130
Binary Data Modification
131
Signed Decimal Data Modification
132
Unsigned Decimal Data Modification
133
Force Set, Reset
133
Clear Force Set/Reset
134
Hex-ASCII Display Change
134
Programming Example
135
Displaying the Cycle Time
135
Preparatory Operations
135
Example Program
137
Programming Procedures
138
Checking the Program
141
Test Run in MONITOR Mode
141
Using Peripheral Devices
100
Section 5
142
Test Runs and Error Processing
142
Initial System Checks and Test Run Procedure
143
Initial System Checks
143
CPM1A Test Run Procedure
143
Flash Memory Precautions
144
The CPM1A Cycle
145
Self-Diagnosis Functions
146
Non-Fatal Errors
146
Fatal Errors
146
Identifying Errors
147
User-Defined Errors
147
Programming Console Operation Errors
148
Programming Errors
148
Troubleshooting Flowcharts
150
Maintenance Inspections
158
Handling Precautions
159
Section 6 Expansion Memory Unit
160
Section 6
161
Expansion Memory Unit
161
SECTION 6 Expansion Memory Unit
161
Overview
161
Memory Areas
161
Precautions
161
Specifications and Nomenclature
162
Specifications
162
Nomenclature
162
Handling
163
Mounting/Removing EEPROM
163
PC Connections
164
Uploading Programs
165
Downloading Programs
166
A Standard Models
169
B Dimensions
173
Glossary
183
Index
199
Revision History
200
Other manuals for Omron CPM1A
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Manual
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4
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Omron CPM1A Specifications
General
Brand
Omron
Model
CPM1A
Category
Controller
Language
English
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