Chapter 6 Predefined Protocol Support Function; Function Summary - Mitsubishi Electric FX5 User Manual
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6
PREDEFINED PROTOCOL SUPPORT
FUNCTION
This chapter describes predefined protocol support function (serial communication protocol support function).
For details about built-in Ethernet protocol support function, refer to Ethernet communication manual.
6.1
Function Summary
With predefined protocol support function, data can be sent and received between the counterpart device and CPU module
according to the protocol of the counterpart device.
Predefined protocol support function uses the S(P).CPRTCL instruction.
The S(P).CPRTCL instruction can simultaneously communicate on 2 channels by specifying the channels.
• Up to eight protocols can be executed consecutively. (1 send packet, 16 receive packets in one protocol)
• The protocol can use the general-purpose protocol library, which is pre-registered in the serial communication protocol
support tool. Additional protocols can be registered.
• Data transfer is enabled when the connected equipment supports non-protocol serial communication.
• The overall distance is 1200 m maximum. (Applies only when configured by FX5-485ADP)
Engineering tool
Set the necessary protocol, and write in protocol setting data to the CPU module.
Protocol
Manufacturer
No.
1
MITSUBISHI ELECTRIC FREQROL Series
2
MITSUBISHI ELECTRIC FREQROL Series
3
MITSUBISHI ELECTRIC FREQROL Series
CPU module
Model
Protocol Name
H7B:RD Operation Mode
HFB:WR Operation Mode
H6F:RD Out Frequency/Speed
Serial
Specify protocol to execute in dedicated
instruction and communicate by instruction
execution.
SP. CPRTCL
'U0'
Send
Communication
Packet Name
Type
Receive
Send&Receive
H7B:RD Operation Mode
(1)
NOR:RD Data(4 Digits Data)
(2)
ERR:NAK Response
Send&Receive
HFB:WR Operation Mode
(1)
ACK:ACK Response
(2)
ERR:NAK Response
Send&Receive
6 PREDEFINED PROTOCOL SUPPORT FUNCTION
Counterpart
device
K3
K2
D10
M0
Packet Setting
Variable Set
Variable Set
Variable Set
Variable Set
Variable Set
Variable Set
165
6.1 Function Summary
6
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