Omron NJ Series User Manual

8-1
NJ-series CPU Unit Software User’s Manual (W501)
8
This section describes the functionality provided by the CPU Unit.
8-1 Data Management, Clock, and Operating Functions . . . . . . . . . . . . . . . . . 8-3
8-1-1 Clearing All Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
8-1-2 Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
8-1-3 RUN Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
8-2 Management Functions for CJ-series Units . . . . . . . . . . . . . . . . . . . . . . . . 8-7
8-2-1 Basic I/O Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7
8-2-2 Special Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8
8-3 SD Memory Card Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10
8-3-1 SD Memory Card Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10
8-3-2 Specifications of Supported SD Memory Cards, Folders, and Files . . . . . . . 8-11
8-3-3 SD Memory Card Operation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12
8-3-4 FTP Client Communications Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13
8-3-5 FTP Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13
8-3-6 File Operations from the Sysmac Studio . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13
8-3-7 SD Memory Card Life Expiration Detection . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13
8-3-8 List of System-defined Variables Related to SD Memory Cards . . . . . . . . . . 8-14
8-3-9 SD Memory Card Self-diagnostic Functions . . . . . . . . . . . . . . . . . . . . . . . . . 8-15
8-3-10 Exclusive Control of File Access in SD Memory Cards . . . . . . . . . . . . . . . . . 8-17
8-4 Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-18
8-4-1 Authentication of User Program Execution IDs . . . . . . . . . . . . . . . . . . . . . . . 8-19
8-4-2 User Program Transfer with No Restoration Information . . . . . . . . . . . . . . . . 8-22
8-4-3 Overall Project File Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-22
8-4-4 Data Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-23
8-4-5 Operation Authority Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-25
8-4-6 CPU Unit Write Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-26
8-4-7 CPU Unit Names and Serial IDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-28
8-5 Debugging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-30
8-5-1 Forced Refreshing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-30
8-5-2 Changing Present Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-34
8-5-3 Online Editing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-35
8-5-4 Data Tracing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-37
8-5-5 Differential Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-42
CPU Unit Functions

Omron NJ Series Specifications

General

Program Capacity	Up to 128 MB
SD Card Slot	Yes
Power Supply Voltage	24 VDC
Motion Control	Yes
USB Ports	1
Operating Temperature	0°C to 55°C
Communication Interfaces	Ethernet/IP, EtherCAT, USB
Safety Function	Optional
Storage Temperature	-20°C to 75°C
Communication Ports	USB
Dimensions	Varies by model
Weight	Varies by model