User`s manual

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MELSEC-A
3 SPECIFICATION
3.6.6 CH.
Digital output value (
Address RWrn to RWrn+7
)
(1) The digital value after the A/D conversion is stored in the remote register address
from RWrn to RWrn+7 for each channel.
(2) The digital output value is expressed in a 16-bit encoded binary.
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
Date section
b12 to b14 change to 1 when the sign is negative
(1 at b15) and to 0 when it is positive (0 at b15).
(
A ne
g
ative di
g
ital value is expressed in 2's complement.
)
Sign bit
1: Negative
0: Positive
3.6.7 Error code (Address RWrn+8)
If an error occurs (the RUN LED flickers) when data is written to the AJ65VBTCU-
68ADV/ADI, the corresponding error code is stored into the remote register (address
RWrn+8) of the AJ65VBTCU-68ADV/ADI.
Refer to Section 6.1 for details of the error codes.