Omron CJ Series Operation Manual page 153
Machine automation controller
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Also See for CJ Series:
- Operation manual (304 pages) ,
- Connection manual (96 pages) ,
- Manual (38 pages)
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Remote I/O Communications
CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)
5-1 Exchanging Data with the CPU Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5-1-1
5-1-2
Access Methods from User Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
5-1-3
I/O Ports for the CompoNet Master Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
5-2 Network Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
5-2-1
Conditions for Starting and Stopping Remote I/O Communications . . . . . . . 5-13
5-2-2
Communications Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
5-2-3
Confirming Normal Slave Unit Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
5-3 Device Variables for the CJ-series Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-20
5-3-1
Assigning Device Variables for the CJ-series Unit . . . . . . . . . . . . . . . . . . . . . 5-20
5-3-2
I/O Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-21
5-3-3
Connect Flags and Communication Error Flags . . . . . . . . . . . . . . . . . . . . . . 5-22
5-3-4
Status Information: Status (All Communications Modes) . . . . . . . . . . . . . . . 5-30
5-3-5
Status Information: Setting (All Communications Modes) . . . . . . . . . . . . . . . 5-33
5-4 Slave Unit Allocations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-34
5-4-1
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-34
5-4-2
Types of CompoNet Network Node Addresses . . . . . . . . . . . . . . . . . . . . . . . 5-35
5-4-3
I/O Port Allocations for Each Communications Mode Numbers . . . . . . . . . . 5-36
5-4-4
Details on Allocation of I/O Ports to Slave Unit I/O Data . . . . . . . . . . . . . . . . 5-42
5-4-5
Slave Unit Allocations for Communications Mode Number 8 . . . . . . . . . . . . 5-49
5-5 Remote I/O Communications Performance . . . . . . . . . . . . . . . . . . . . . . . . 5-52
5-5-1
I/O Response Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-52
5
5-1
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Troubleshooting
