Panasonic FP-XH Series User Manual page 90

8.1 Communication Instruction
Operand Settings
Specification
D of a master
unit
(Note 1) To [S1], the following specification should be applied. The specification method differs depending on
word transfer and bit transfer.
[S1]：
Transfer in
word units
[S1]：
Transfer in
bit units
(Note 2) To [S1+1], the following specification should be applied.
COM port selection (upper four bits)
Port no.
(Note 3) Depending on the transfer method specified for operand [S1] and the device type specified for
operand [D], the function code of MODBUS command to be sent varies.
Device type specified in
[D]
16-Bit device:
WX, WY, WR, WL, DT, LD
1-bit device
X, Y, R, L
(Note 4) The area of the destination unit is specified by the combination of operands [S2] and [n].
When [S2] = DT0 and [n] = K100, the memory area of the destination unit starts with DT100.
■
Flag operations
Name
R9007
R9008
8-14
Specify the device starting address of the receive data
storage area in the master unit.
H0
Specify the number of send words
H001 to H07F (1 to 127 words)
H8
Master unit bit No.
(H0 to HF)
Transfer method
specified in [S1]
Register transmission
Bit transmission
Description
Turns ON when the [S1] / [S1+1] control data value is outside the specified range.
H0 (fixed)
Destination bit No.
(H0 to HF)
HF H1
COM0 COM1
MODBUS function code to be sent
H1: Read coil state (01)
H2: Read input state (02)
H3: Read hold register (03)
H4: Read input register (04)
H1: Read coil state (01)
H2: Read input state (02)
Remarks
(Note 3)
H2 H3
COM2 COM3
WUME-FPXHCOMG-02