FX Series Programmable Controller Diagnostic Devices 6
6-19
6.13 Miscellaneous Devices (M8160 to M8199)
For symbol key see page 6-1.
Diagnostic
Device
Operation
Diagnostic
Device
Operation
M8160 (-)
(Not FX1S,FX1N)
Selection of XCH operation
to swap bytes in a single
data word
M8176 -M8199 Reserved
M8161 (-)
Selection of 8 bit operations
for applied instructions
ASC, RS, ASCI, HEX, CCD
M8162 (-)
High speed mode for
Parallel link, 2 data words
Read/write only
M8164 (-)
(Not FX1S,FX1N)
When ON, a value in D8164
is used as the number of
FROM/TO exchange points.
(FX2N/2NC CPU Version 2.00
and above)
M8167 (-)
(Not FX1S,FX1N)
Selection of hexadecimal
input mode for the HKY
instruction
M8168 (-)
(Not FX1S,FX1N)
Selection of BCD mode for
use with the SMOV
instruction
M8169 Reserved
M8170 (-R)
X0 pulse catch
When the leading edge of a
pulse is received at an input
from the range X0 to X5 the
associated M device
detailed here is set ON. By
resetting the same device
within the user program the
next pulse occurrence will
again set the M coil ON.
Hence, fast input pulses are
‘caught’ and stored. This
operation requires the EI
(FNC04) instruction to be
active. For details see page
6-12
M8171 (-R)
X1 pulse catch
M8172 (-R)
X2 pulse catch
M8173 (-R)
X3 pulse catch
M8174 (-R)
X4 pulse catch
M8175 (-R)
X5 pulse catch
FX
1S
FX1N FX2N
FX2NC
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