● As the communication cassette (Ethernet type) has an Ethernet-serial conversion function, the
internal interface operates with similar programs as the case of the CPU with built-in SCU. The
setting method and programming method are different from those for the CPU with built-in ET-
LAN. Refer to the section describing the case of SCU.
■
Flag operations
Name Description
SR7
SR8
(ER)
To be set in the case of out-of-range in indirect access (index modification).
To be set when the destination range is outside the accessible range.
COM port or connection specified by UNITSEL does not exist, or communication is not
possible in the specified connection.
Partner station number specified by [S1] is out of the range.
Partner unit sender data device specified by [S2] is invalid.
Sent data amount specified by [n] is invalid.
Data device of the receiver data area in the master unit specified by [D1] is invalid, or
exceeds the area.
Result storage device specified by [D2] is invalid.
Specified bit devices for [S2] and [D1], and/or specified 16-bit device, differ.
Integer specification for [S2] is only available for the MODBUS address direct specification
type. It is invalid for other types.
15.5 RECV (MEWTOCOL Master / MODBUS Master)
15-36 WUME-FP7CPUPGR-12
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