3 - 6
MELSEC-Q
3 SPECIFICATIONS AND FUNCTIONS
3.2.2 QD75 main functions
The outline of the main functions for positioning control with the QD75 is described
below. (Refer to "Section 2" for details on each function.)
Main functions
Details
Reference
section
Machine OPR control
Mechanically establishes the positioning start point using
a near-point dog or stopper. (Positioning start No. 9001)
8.2
O
P
R
control
Fast OPR control
Positions a target to the OP address (
Md.21
Machine
feed value) stored in the QD75 using machine OPR.
(Positioning start No. 9002)
8.3
Linear control
(1-axis linear control)
(2-axis linear interpolation control)
(3-axis linear interpolation control)
(4-axis linear interpolation control)
Positions a target using a linear path to the address set in
the positioning data or to the position designated with the
movement amount.
9.2.2
9.2.3
9.2.4
9.2.5
Fixed-feed control
(1-axis fixed-feed control)
(2-axis fixed-feed control)
(3-axis fixed-feed control)
(4-axis fixed-feed control)
Positions a target by the movement amount designated
with the amount set in the positioning data.
(With fixed-feed control, the"
Md.20
Current feed value"
is set to "0" when the control is started. With
2-, 3-, or 4-axis fixed-feed control, the fixed-feed is fed
along a linear path obtained by interpolation.)
9.2.6
9.2.7
9.2.8
9.2.9
Position
control
2-axis circular interpolation control
Positions a target using an arc path to the address set in
the positioning data, or to the position designated with the
movement amount, sub point or center point.
9.2.10
9.2.11
Speed
control
Linear control
(1-axis linear control)
(2-axis linear interpolation control)
(3-axis linear interpolation control)
(4-axis linear interpolation control)
Continuously outputs the command corresponding to the
command speed set in the positioning data.
9.2.12
9.2.13
9.2.14
9.2.15
Speed-position switching control
First, carries out speed control, and then carries out
position control (positioning with designated address or
movement amount) by turning the "speed-position
switching signal" ON.
9.2.16
9.2.17
Position-speed switching control
First, carries out position control, and then carries out
speed control (continuous output of the command
corresponding to the designated command speed) by
turning the "position-speed switching signal" ON.
9.2.18
Current value changing
Changes the Current feed value (
Md.20
) to the address
set in the positioning data.
The following two methods can be used.
(The machine feed value cannot be changed.)
• Current value changing using positioning data
• Current value changing using current value changing
start No. (No. 9003)
9.2.19
NOP instruction
No execution control system. When NOP instruction is
set, this instruction is not executed and the operation of
the next data is started.
9.2.20
JUMP instruction
Unconditionally or conditionally jumps to designated
positioning data No.
9.2.21
LOOP
Carries out loop control with repeated LOOP to LEND.
9.2.22
M
a
jor positioning control
Other
control
LEND
Returns to the beginning of the loop control with repeated
LOOP to LEND.
9.2.23
Summary of Contents for MELSEC-Q QD75M
Page 1: ...MELSEC Q QD75M Positioning Module User s Manual Details QD75M1 QD75M2 QD75M4 ...
Page 17: ...MEMO ...
Page 64: ...3 11 MELSEC Q 3 SPECIFICATIONS AND FUNCTIONS MEMO ...
Page 91: ...4 16 MELSEC Q 4 INSTALLATION WIRING AND MAINTENANCE OF THE PRODUCT MEMO ...
Page 108: ...5 17 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 112: ...5 21 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 116: ...5 25 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 138: ...5 47 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 182: ...5 91 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 188: ...5 97 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 194: ...5 103 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 253: ...5 162 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 274: ...6 21 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 275: ...6 22 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
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Page 305: ...6 52 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 332: ...7 7 MELSEC Q 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO ...
Page 336: ...7 11 MELSEC Q 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO ...
Page 347: ...MEMO ...
Page 477: ...9 116 MELSEC Q 9 MAJOR POSITIONING CONTROL MEMO ...
Page 539: ...11 36 MELSEC Q 11 MANUAL CONTROL MEMO ...
Page 663: ...14 18 MELSEC Q 14 DEDICATED INSTRUCTIONS MEMO ...
Page 771: ...Appendix 2 MELSEC Q APPENDICES MEMO ...
Page 845: ...Appendix 76 MELSEC Q APPENDICES MEMO ...
Page 855: ...Index 10 X X0 QD75 READY 3 15 X1 Synchronization flag 3 15 Z Zero speed Pr 130 5 74 ...