FX3U-232ADP-MB

## FX3U-232ADP-MB FX3U-485ADP-MB 

# Explore the Possibilities! rN th ~ Le **FX Modbus** 

New 

## **Modbus Serial Communication Adapter** 

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Enabling the FX3U PLC to be a Master or  N:N Networking Computer Link<br>Station1 Station2<br>Slave on to your Modbus network! RS-485 RS-485 RS-485<br>Also supports all previous serial  FX-485PC-IF<br>communication functions including<br>FX3U-485-ADP-MB FX3U-485-ADP-MB<br>N:N Networking, Computer Link, Inverter<br>communication, RS and RS2 instructions, etc. Inverter communication FX3U-485-ADP-MB RS and RS2 instructions<br>Inverter Bar-code reader<br>Inverter<br>*For detailed information on all other supported<br>serial communication functions, refer to the FX Series<br>“gh LU: User’s Manual - Data Communication Edition ge ae oe a Printer FX3U-485-ADP-MB<br>Oe Modbus Specifications - —<br>System Configuration Communication Specifications<br>Item Specifications<br>Communicationadapter Special adapterconnection board Communication Adapter Communication BoardExpansion/ PLC Channels per PLC FX3U-232ADP-MB1 ChannelFX3U-485ADP-MB<br>FX3U-CNV-BD Communication Interface RS-232C RS-485<br>FX3U-485ADP-MB  FX3U-485-BD FX3U Transmission Speed 300, 600, 1200, 2400, 4800, 9600, or 19200 bps<br>+ + +  FX3U-232-BD V2.40 or  Transmission  Data Length 7-bit or 8-bit<br>FX3U-232ADP-NB FX3U-422-BD Higher Specifications Stop Bit  1-bit or 2-bit<br>FX3U-USB-BD Transmission Distance Up to 15m (49’2") Up to 500m (1640’5")<br>Communication Protocol RTU or ASCII<br>Number of Slaves 1 Slave 16 Slaves<br>In the case of RS-232C In the case of RS-485 Number of Functions 14 (+14 Diagnostic functions)<br>Jp  == 15m (49’ 2") - \- [$l!] 500m (1640 ’  5 " ) MasterFunction Number of Simultaneously Executable InstructionsMaximum Write Data 123 words or 1968 coils1 Instruction<br>FX PLC FX PLC FX PLC FX PLC FX PLC Maximum Read Data 125 words or 2000 coils<br>Master station Slave station  Master station Slave station  Slave station<br>No. 1 (01H) No. 1 (01H) No. 16 (10H) Number of Functions 14 (+14 Diagnostic functions)<br>Number of Simultaneous<br>units17 SlaveFunction Acceptable Request 1 Request Message<br>Messages<br>Station Number 1 to 247<br>Special External Dimensions 90 (H) x 17.6 (W)  x 74 (D) [mm]<br>[eect a ee | Adapter Weight 80g<br>**----- End of picture text -----**<br>


Note: Modbus Slave Nodes do not need to be numbered in any specific order 

## _**Modbus Communication Setup**_ 

Modbus serial communication parameters and communication execution are setup easily within the ladder program using GX Developer. 

The FX3U Modbus Master uses a new dedicated command, ADPRW, to communicate with Modbus Slaves on the network. 

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*Master Function requires GX Developer Version 8.45X or Higher<br>Command Slave Command Code<br>input Node Command Parameters<br>(normally ON)  Address Code<br>FNC276 S • S1 • S2 • S3 • S4 • / D •<br>ADPRW<br>=<br>Command Parameters<br>depending on the<br>Command Code<br>= = Command Code<br>Slave Node Address<br>00H to 10H (0 to 16)<br>**----- End of picture text -----**<br>


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Command List<br>Read Coils Return Bus Communication Error Count<br>Read Discrete Inputs Return Bus Exception Error Count<br>Read Holding Registers Return Slave Message Count<br>Read Input Registers Return Slave No Response Count<br>Write Single Coil Return Slave NAK Count<br>Write Single Register Return Slave Busy Count<br>Read Exception Status Return Bus Character Overrun Count<br>Return Query Data Get Comm. Event Counter<br>Restart Communication Option Get Comm. Event Log<br>Return Diagnostic Register Write Multiple Coils<br>Change ASCII Input Delimiter Write Multiple Registers<br>Force Listen Only Mode Report Slave ID<br>Clear Counters and Diagnostic Register Mask Write Register<br>Return Bus Message Count Read/Write Multiple Registers<br>**----- End of picture text -----**<br>


## aa MITSUBISHI ELECTRIC CORPORATION 

HEAD OFFICE: TOKYO BUILDING, 2-7-3 MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN 

New publication, effective Aug.2007 Specifications subject to change without notice. 

HIME-L009A0708  Printed in Japan (MEE)