Specifications; Communication Specifications - Mitsubishi MELSEC iQ-F FX5 User Manual

Communication device
Built-in RS-485 port
Communication FX5-485-BD
board
Communication FX5-485ADP
adapter
*1 Assign CH3 and CH4 in the order from the adapter closest to CPU module.
For the FX3 system configuration, refer to FX Series User's Manual - Data Communication Edition.
In N:N Network, only one channel is available to use for one CPU module.
2.4

Specifications

This section describes the communication specifications and performance of the N:N Network function.
For the specifications of FX3 PLC, refer to FX Series User's Manual - Data Communication Edition.

Communication specifications

The N:N Network function is executed according to the communication specifications (fixed) shown in the table below.
Specification items such as baud rate cannot be changed.
Items
Number of connectable units
Transmission standard
Maximum overall distance
Protocol type
Control procedure
Communication method
Baud rate
Character Start bit
format
Data length
Parity bit
Stop bit
Header
Terminator
Control line
Sum check
2 N:N NETWORK
18
2.4 Specifications
Serial port Important points in selection
CH1 Since it is built-into the CPU module, there is no need to add
equipment.
CH2 Mounted on top of the CPU module, there is no change in the
installation space requirements.
*1
CH3, CH4 Mount the communication adapter to the left of the CPU
module.
Specifications
Maximum of 8
RS-485 standard
When only FX5-485ADP is used in the configuration: 1200 m or less
When configuring with FX5-485ADP or FX3U-485ADP: 500 m or less
Other than the above configuration: 50 m or less
N:N Network
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Half-duplex, bi-directional communication
38400 bps
1 bit
7 bit
Even
1 bit
Fixed
Fixed
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Fixed
Overall distance
50 m or less
50 m or less
1200 m or less
Remarks
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When the built-in RS-485 port, FX5-485-BD
and 485-BD for FX3 Series are all connected:
50 m or less
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