Inovance H3U Series - Page 366

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5
5 High-speed Input 5.4.4 HSZ Range Comparison
[D] is the head address of three consecutive storage units for the comparison result: when it is Y0 to Y17
port, the result is immediately output; when it is a port with the number greater than Y20, the result is output
after the user program is scanned; for M, S, or SM variable, the result is immediately refreshed.
1
)
Note:
●
Like common instructions,
DHSC
S, DHSCR, and DHSZ can be executed repeatedly, but there should be less
than eight simultaneously active instructions. Only one DHSZ instruction in special mode (high-speed table
comparison mode or frequency control mode) can be active.
●
Comparison objects of DHSCS, DHSCR, DHSZ, DHSOS, and DHSOR instructions (see the description of
comparison objects below) include high-speed counters, position values of high-speed outputs, and position
values of electronic cams. Comparison objects of high-speed interrupt comparison instructions driven by one axis
must be consistent; otherwise, errors will be reported. The following describes comparison objects:
Interrupt Comparison Object 1
Interrupt Comparison Object
2
Interrupt Comparison
Object 3
Remarks
C252
(DHSCS, DHSCR, and DHSZ
instructions are driven)
K0
(DHSOS and DHSOR
instructions are driven)
K11
(DHSOS and DHSOR
instructions are driven)
The instructions cannot be
driven simultaneously but at
different time.
C253
(DHSCS, DHSCR, and DHSZ
instructions are driven)
K1
(DHSOS and DHSOR
instructions are driven)
K12
(DHSOS and DHSOR
instructions are driven)
The instructions cannot be
driven simultaneously but at
different time.
C254
(DHSCS, DHSCR, and DHSZ
instructions are driven)
K2
(DHSOS and DHSOR
instructions are driven)
K13
(DHSOS and DHSOR
instructions are driven)
The instructions cannot be
driven simultaneously but at
different time.
For example, if the DHSOS instruction is used by X axis to compare the output value of X axis (K0), the
comparison object of the other simultaneously active instruction must be the output value of X axis (K0)
and can be neither the position value of the electronic cam (K11) nor the high-speed counter comparison
instruction (for C252).
2
)
Note:
• The action principle of this instruction is similar to that of HSCS and HSCR instructions. The difference lies in
that two comparison values are used and the comparison output uses three consecutive address units. See the
instruction for use of HSCR.
• The HSZ instruction operates in interrupt mode. Only when corresponding inputs of the counter have count pulses,
comparison is carried out and corresponding outputs are refreshed.
• When [D] is set to special auxiliary relay M8130, the instruction is in high-speed table comparison mode, and
variables of the instruction will be resolved in table mode.
• When [D] is set to the special auxiliary relay M8132, the instruction is in frequency control mode. In combination
with DPLSY instruction, it can control the output frequency of DPLSY by the present value of high-speed counter.