1 Features and System Configuration
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CJ-series PROFINET IO Controller Unit Operation Manual for NJ-series CPU Unit (W511)
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PROFINET IO Controller Unit
*FINS message communications are available with the NJ-series. However, with these functions, not all
areas of the NJ-series CPU Unit are accessible. If these functions need to be used, such as to connect
to existing equipment, please consult with your Omron representative.
General Specifications
General specifications of the CJ-series PROFINET IO Controller Unit conform to those of the NJ-
series CPU Units. For more information, see the
NJ-series CPU Unit Hardware User’s Manual
(Cat.
No. W500).
Functional and Performance Specifications
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Unit Specifications
Applicable CPU Unit
Unit Classification
Types of Communications
Model
NJ Series
CPU Bus Unit
PROFINET IO Cyclic Data
PROFINET IO Read/Write (Acyclic)
Command Messaging(FINS*)/UDP
(Acyclic)
ModbusTCP
CJ1W-PNT21
Item
Specification
PROFINET Unit model
CJ1W-PNT21
Applicable controller
NJ series
Unit classification
CJ-series CPU Bus Unit
Mounting position
CPU Rack or Expansion Rack
Applicable unit numbers
0 to F
Number of masters that you can mount
16
PROFINET IO Connector
1 X RJ45 8-pin Modular Connector (conforming to ISO 8877)
Words allocated in
the memory used
for CJ-series Unit
I/O Data Allocations
Any I/O memory (set with device variables for CJ-series Unit and CX-
ConfiguratorFDT.)
Maximum total size: 7168 words
I/O Data can be allocated to up to 2 input and 2 output areas.
I/O port (without power OFF
retention)
(Access via the device vari-
ables for CJ-series Unit)
25 words/Unit
1 word for the software switches, 4 words for the status area, 8 words for
the IO Device data exchange active flags, and 8 words for IO Device
new alarm flags. 4 reserved words are also exchanged.
Data stored in non-volatile memory (EEPROM) in
the PROFINET IO Controller Unit
•
PROFINET I/O connection parameters
•
Allocated IO Device parameters set
CX-ConfiguratorFDT connection method
Built-in Ethernet/IP on CPU, Ethernet connection on CJ1W-PNT21 Unit,
or peripheral (USB) port
Display section
Indicators for Unit status and PROFINET status
•
Two-digit, 7-segment display
•
Module Status, MS (Green/Red indicator)
•
Network Status, NS (Green/Red indicator)
•
Data Exchange Status, 100M (Yellow indicator)
•
Network Activity, COMM (Yellow indicator)