Panasonic FP7 Series User Manual page 104

8.3 MODBUS RTU Master Communication (RECV)
● The amount of received data [n] is specified in words for the register transfer, and in the
number of bits for the bit transfer.
● The execution result code is stored in the one-word area of the master unit that is specified
by [D2].
■
Specification of partner unit station number [S1]
Communication Mode
MEWTOCOL-COM
MEWTOCOL-DAT
MODBUS
(Note 1) For connection between FP7 and FP7, specify "1". Destination is determined by the IP address.
■
Specify the starting address [S2] of the sender data area
Transfer method
Register transfer
Bit transfer
(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.
■
Specification of the amount of received data [n]
Transfer Communication
method Mode
MEWTOCOL-COM 1 to 509 words
MEWTOCOL-DAT
Register
transfer
(Note 1)
MODBUS
MEWTOCOL-COM Fixed to 1 bit
Bit transfer
MEWTOCOL-DAT
(Note 2)
MODBUS
8-8
When SCU is used
1 to 99, 238 (decimal) = EE
(hexadecimal)
Non-SCU-compliant
(Note 1)
1 to 255
Communication Mode
MEWTOCOL-COM
MEWTOCOL-DAT
MODBUS
MEWTOCOL-COM
MEWTOCOL-DAT
MODBUS
Types of
communication
port
1 to 1020 words
1 to 2038 words
1 to 127 words
Fixed to 1 bit
1 to 2040 bits
When ET-LAN is used
1 to 64, 238 (decimal) = EE
(hexadecimal)
(Note 1)
1 to 255
Address range
0 to 99999
0 to 65535F
0 to 65535 (H FFFF)
0 to 999F
0 to 65535 (H FFFF)
0 to 65535 (H FFFF)
Setting range
RCC command and RD command are used.
Connection setting: Setting of the MEWTOCOL
Communication type setting: Connect with FP2 ET-LAN
Connection setting: Setting of the MEWTOCOL
Communication type setting: Do not connect with FP2
ET-LAN
Command 1 is used for reading WY and WR.
Command 2 is used for WX.
Command 3 is used for reading DT
Command 4 is used for reading WL and LD
During MEWTOCOL-COM, RCS command is used.
During MEWTOCOL-DAT, read contact information 53H
is used.
Command 1 is used for reading Y and R. Command 2 is
used for X.
WUME-FP7COM-07