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Mitsubishi Electric FX3U-485ADP-MBH Supplement Manual

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JY997D33201C
FX
-485ADP-MBH communication special adapter only differs from the FX
3U
following specification.
For details on installation, wiring and other specifications, refer to the following manuals.
1. Differences between the MODBUS serial communication specifications of the
FX
-485ADP-MBH and FX
3U
Transmission Specifications
Master Specifications
2. Transmission speed (baud rate) settings for MODBUS serial communication
The communication speed (baud rate) is set in the communication format (Ch1: D8400 bit 4 to 7, Ch2: D8420 bit
4 to bit 7). Allocation of bit 4 to bit 7 in D8400 (Ch1) and D8420 (Ch2) is as follows on the next page.
Caution
When you set the baud rate to 38400 bps or more in a FX
more. When D8411 (D8431) is set at less than 3ms, it may not be able to communicate normally.
Bit No.
b0
Data length
b1
Parity
b2
b3
Stop bit
September 2010
FX
-485ADP-MBH
3U
→ FX
SERIES USER'S MANUAL - MODBUS Serial Communication Edition
3U
-485ADP-MB
3U
Item
Transmission Speed
(Baud rate)
Number of Slaves
→ For details on the other bits, refer to the FX
Name
b2, b1
(0, 0): Not provided
(0, 1): Odd
(1, 1): Even
→ FX
→ FX SERIES USER'S MANUAL - Data Communication Edition
FX
-485ADP-MBH
3U
300/600/1200/2400/4800/9600/
19200/38400/57600/115200 bps
64 slaves
Series PLC, please set D8411 (D8431) to be 3ms or
3G
Contents
0 (bit = OFF)
7-bit
1-bit
Supplement Manual
-485ADP-MB with respect to the
3U
-485ADP-MB INSTALLATION MANUAL
3U
FX
300/600/1200/2400/
4800/9600/19200 bps
SERIES USER'S MANUAL
3U
- MODBUS Serial Communication Edition
1 (bit = ON)
8-bit
2-bit
MITSUBISHI ELECTRIC CORPORATION
Made in Japan
Page: 1 of 2
-485ADP-MB
3U
16 slaves

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  Summary of Contents for Mitsubishi Electric FX3U-485ADP-MBH

  • Page 1 Bit No. Name 0 (bit = OFF) 1 (bit = ON) Data length 7-bit 8-bit b2, b1 (0, 0): Not provided Parity (0, 1): Odd (1, 1): Even Stop bit 1-bit 2-bit September 2010 MITSUBISHI ELECTRIC CORPORATION Made in Japan...
  • Page 2 This product is designed for use in industrial applications. Note Manufactured by: Mitsubishi Electric Corporation 2-7-3 Marunouchi, Chiyoda-ku, Tokyo, 100-8310 Japan Manufactured at: Mitsubishi Electric Corporation Himeji Works 840 Chiyoda-machi, Himeji, Hyogo, 670-8677 Japan Authorized Representative in the European Community: Mitsubishi Electric Europe B.V.

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