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1 Features and System Configuration
1-20
CJ-series User Defined CAN Unit Operation Manual for NJ-series CPU Unit (W517)
1-3
Specifications
General Specifications
General specifications of the CJ-series User Defined CAN Unit conform to those of the NJ-series
CPU Units.
Functional and Performance Specifications
1-3-1
User Defined CAN Unit
Item
Specification
User Defined CAN Unit model
CJ1W-CORT21
Applicable Controller
NJ Series
Unit classification
CPU Bus Unit
Applicable unit numbers
0 to F
Mounting position
CPU Rack or Expansion Rack
No. of Units that can be mounted
16 Units max.
Words allo-
cated in the
memory
used for
CJ-series
Unit
I/O port (without power OFF retention)
(Access via the device variables for CJ-
series Unit)
25 words/Unit
CPU Unit to User Definied CAN Unit: 10 words for the software switches and sta-
tus words. The remaining 15 words are reserved for future use.
I/O port (with power OFF retention)
(Access via the device variables for CJ-
series Unit)
100 words/Unit
Reserved for future use
Supported connections (communications)
Message buffers and message communications (FINS*
1
).
All conform to CAN communications standards.
Message
communi-
cations*
1
Message communications for configura-
tion
•
Configuration of Input and Output buffers with a maximum of 640 for each type
•
Configuration of send and receive flags area (limit of one of each type)
•
Configuration of baud rate and sample point
Message communications
Message communications to send/receive a CAN message directly
Other functions
Error history can be accessed using a message command.
Setting section
Rotary switches for Unit No. (hexadecimal x 1)
Front panel DIP switch for Baud rate
Display section
Two indicators(2 colors): One green to indicate the Unit is powered. One red to
indicate and error status.
Two 7-segment displays: Displays CAN communication status and error code.
Two dot indicators within the 7-segment display: Left dot indicates communica-
tion status configuration set from message communications. Right dot indicates
communication is configured and enabled.
Front connector
One communications connector (communications data: CAN H and CAN L, net-
work power supply: CAN_V+, ground CAN_GND and shielded)
Use the XW4B-05C1-H1-D connector provided to connect the communications
cable.
•
Use the XW4B-05C4-T-D connector sold separately for multi-drop connec-
tions.
Communications power supply voltage
11 to 25 VDC (supplied from the communications connector)
Current consumption
Communications power supply: 18 mA at 24 VDC, (supplied from the communi-
cations connector)
Internal circuit power supply: 290 mA max. at 5 VDC (supplied from the Power
Supply Unit)
External dimensions
31 x 90 x 65 mm (W x H x D)
Weight
118 g (including the connector provided)
Standard accessories
One XW4B-05C1-H1-D connector to connect to a node from a T-branch Tap.
Summary of Contents for CJ1W-CORT21
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Page 140: ...Appendices A 6 CJ series User Defined CAN Unit Operation Manual for NJ series CPU Unit W517...
Page 141: ...Index 1 CJ series User Defined CAN Unit Operation Manual for NJ series CPU Unit W517 I Index...
Page 144: ...Index 4 CJ series User Defined CAN Unit Operation Manual for NJ series CPU Unit W517 Index...