Specifications; Communication Specifications; Predefined Protocol Specifications - Mitsubishi Electric FX5 User Manual

Communication device
Built-in RS-485 port
Communication FX5-485-BD
board
FX5-232-BD
Communication FX5-485ADP
adapter
FX5-232ADP
*1 Assigned to CH3 or CH4 in order of proximity to CPU module.
In predefined protocol support function, only two channel is available to use for one CPU module.
6.4

Specifications

This section describes the communication specifications and performance of predefined protocol support function.

Communication specifications

Items
Transmission standard
Maximum overall distance
Protocol type
Control procedure
Communication method
Baud rate
Character format Start bit
Data length
Parity bit
Stop bit
Header
Terminator
Control line
Sum check

Predefined protocol specifications

Items
Setting method
Number of protocols
Number of packets
Number of elements
Packet data area size
Communication type
Execution procedure
Receive wait time
Number of send retries
Send retry interval
Standby time
Serial port Important points for 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
RS-485 and RS-422 standard
When FX5-485ADP is used: 1200 m or less
When using built-in RS-485 port or FX5-485-BD: 50 m
or less
Predefined protocol support

Half-duplex, bi-directional communication
9600, 19200, 38400, 57600, 115200 bps

7 bits/8 bits
None, odd or even
1 bit/2 bits
Can set it from packet setting.
Can set it from packet setting.

Can set it from packet setting.
Specifications
• Selected from the predefined protocol library offered
• Selected from the user protocol library
• Creating
Maximum of 64
Maximum of 128
Maximum of 32
Maximum of 6144 byte
Send only/receive only/send & receive
Protocols can be executed with a dedicated instruction
(S(P).CPRTCL).
0 to 3000000 ms
0 to 10
0 to 300000 ms
0 to 300000 ms
Overall distance
50 m or less
50 m or less
15 m or less
1200 m or less
15 m or less
RS-232C standard
15 m or less
Items
By editing the selected protocol, a new protocol can be
created.

One send packet and 16 receive packets can be
registered in one protocol.


Page 168 Communication type
Up to eight protocols can be executed consecutively for
one instruction execution.
When set 0 ms, timeout does not occurr.



6 PREDEFINED PROTOCOL SUPPORT FUNCTION
6
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6.4 Specifications