2.7 Communications with a Mitsubishi PLC (QnA-compatible 3E Frame Protocol)
Message Functions
2-166
Status 5 (PARAM08)
This parameter gives the value of the error counter.
Note: The status is updated when the function is executed in each scan.
Status 6 (PARAM09)
This parameter is not used for the QnA-compatible 3E Frame protocol.
Connection Number (PARAM10)
Specify the remote station.
If the communications device is the 218IFD, enter the connection number. The valid setting range is given
in the following table.
Note: Enter the same connection number as displayed in the 218IFD Detail Definition Dialog Box in the MPE720.
Options (PARAM11)
Set the I/O unit number for the Mitsubishi PLC.
The value you set will be sent as the unit number as is, even if it is not listed below.
Status 5 Value Meaning Description
0 to 65535 Error Count
Counts the number of errors that occurred during message pro-
cessing.
Communications
Device
Connection
Number
Description
218IFD 1 to 20
Specifies the connection number of the remote station to send the
message to.
Unit Number Name
03FF hex Local station CPU, control CPU, and own system CPU
03D0 hex Control system CPU
03D1 hex Standby system CPU
03D2 hex System A CPU
03D3 hex System B CPU
03E0 hex Multi-CPU No.1
03E1 hex Multi-CPU No. 2
03E2 hex Multi-CPU No. 3
03E3 hex Multi-CPU No. 4
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