● The execution result code is stored in the one-word area of the master unit that is specified
by [D3].
■
Setting the amount of sent data [n]
Transfer
method
Communication
Mode
Amount of sent
data n
Note
Register
transfer
MEWTOCOL-COM 1 to 507 words
MEWTOCOL-DAT
1 to 1020 words
Connection setting: MEWTOCOL
Communication type setting: Connect with FP2 ET-
LAN
1 to 2038 words
Connection setting: MEWTOCOL
Communication type setting: Do not connect with
FP2 ET-LAN
MODBUS 1 to 127 words
Use MODBUS command 15 (to write to WY or WR)
and command 16 (to write multiple words to DT).
Bit transfer
MEWTOCOL-COM Fixed at 1 bit During MEWTOCOL-COM, WCS command is used.
MEWTOCOL-DAT Fixed at 1 bit
During MEWTOCOL-DAT, contact information write
52H is used.
MODBUS 1 to 2040 Use the force multiple coils command 15.
(Note 1) The transfer method varies according to the device type specified for operands [S] and [D2]. The
register transfer is used for 16-bit devices and the bit transfer is used for 1-bit devices.
(Note 2) The amount of sent data is specified in words for the register transfer and in bits for the bit transfer.
■
Specification of partner unit station number [D1]
Communication Mode When SCU is used When ET-LAN is used
MEWTOCOL-COM
1 to 99, 238 (decimal) = EE
(hexadecimal)
1 to 64, 238 (decimal) = EE
(hexadecimal)
MEWTOCOL-DAT Non-SCU-compliant
MODBUS 0 to 255 0 to 255
(Note 1) In the case of SCU, when "0" is specified for the partner station number, global transfer is selected. In
this case, there is no response message from the destination.
(Note 2) For connection between FP7 and FP7, specify "1". Destination is determined by the IP address.
■
Specification of destination address [D2]
Transfer method Communication Mode Address range
Register transfer
MEWTOCOL-COM 0 to 99999
MEWTOCOL-DAT 0 to 65535F
MODBUS 0 to 65535 (H FFFF)
Bit transfer
MEWTOCOL-COM 0 to 999F
MEWTOCOL-DAT 0 to 65535 (H FFFF)
MODBUS 0 to 65535 (H FFFF)
(Note 1) When the receiver is the file register FL, specify a constant. Example) For FL100, specify U100. For
the file register, only bank 0 can be specified.
7.4 MEWTOCOL-COM Master Communication (SEND)
WUME-FP7COM-07 7-19
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