2.6 Communications with a Mitsubishi PLC (A-compatible 1E Frame protocol)
Message Functions
2-120
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 A-compatible 1E 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)
This parameter is not used for the A-compatible 1E Frame protocol.
Function Code (PARAM12)
Set the function code to send.
You can use the functions that are registered to the function codes.
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.
Function Code
Common
Instructions for
MELSEC ACPUs
Target
Data Type
Function
01 or 02 hex 00 hex B Reads bit devices in units of one point.
03, 04, 09, or 0A hex 01 hex W Reads word devices in units of one point.
05 or 0F hex 02 hex B Writes bit devices in units of one point.
06, 0B, or 10 hex 03 hex W Writes word devices in units of one point.
08 hex 16 hex
−
Performs a loopback test.
Continued on next page.
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