Omron CJ Series User Manual

1-15
1 Features and System Configuration
CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)
1-2 PROFIBUS Master Unit
1
1-2-2 Specifications
 Protocol Specification
Item Specification
PROFIBUS
Interface
Applicable standards EN50170, Volume 2
Protocol type supported PROFIBUS DP, PROFIBUS DP-V1
PROFIBUS Unit types PROFIBUS DP-V1 Class 1 and Class 2 Master
PROFIBUS Media type RS-485, galvanically isolated from the CPU
PROFIBUS Connector 9-pin sub-D female connector (#4/40 UNC thread)
Termination according to EN50170 provided by the cable connector
Unit device address range 0 to 125, set through the configurator (See Note 4)
Number of slave devices supported 125 max, address range 0 to 125
baud rates supported Selectable through the configurator:
• 9.6 kbps
• 19.2 kbps
• 45.45 kbps
• 93.75 kbps
• 187 kbps
• 500 kbps
• 1.5 Mbps
• 3 Mbps
• 6 Mbps
• 12 Mbps
Bus timing definitions Calculated by the configurator
PROFIBUS
Services
PROFIBUS DP Master Class 1 - Slave
cyclic services
• Set_Prm
• Chk_Cfg
• Data_Exchange
• Slave_Diag
• Global-Control - CLEAR
Global-Control, initiated from CIO Word. (Access via the Device
Variable for CJ-Series Unit)
Can be addressed to all or a specified group of slave devices.
Supported commands:
• SYNC
• UNSYNC
• FREEZE
• UNFREEZE
PROFIBUS DP Master Class 2 - Slave
acyclic services available to the CPU
Acyclic message services, initiated through commands and can be
addresses to one slave device at a time (See Note 1).
Supported PROFIBUS DP services:
• Get_Cfg
• Set_Slave_Add
• Rd_Inp
• Rd_Outp
PROFIBUS DP Master - Master services Not supported
PROFIBUS DP-V1 Master Class1 -
Slave acyclic message services
(See Note 1)
• MSAC1 - Read
• MSAC1 - Write
PROFIBUS DP-V1 Master Class2 -
Slave acyclic message services
(See Note 2)
• MSAC2 - Initiate
• MSAC2 - Read
• MSAC2 - Write
• MSAC2 - Abort

Omron CJ Series Specifications

General

Brand	Omron
Model	CJ Series
Category	Controller
Language	English