Mitsubishi Electric FX3U SERIES - DOG Search Zero Return (DSZR Instruction; Instruction Format

FX 3S /FX 3G /FX 3GC /FX 3U /FX 3UC PLC User's Manual - Positioning Control Edition
Built-in Positioning Functions
6 Mechanical Zero Return - DSZR/ZRN Instruction
6.2 DOG Search Zero Return (DSZR Instruction)
B - 99
A
Common Items
B
Built-in Positioning Functions
Apx.
Example Connection
6.2 DOG Search Zero Return (DSZR Instruction)
Use this instruction to change the CLEAR signal output destination with an FX3UC PLC Ver. 2.20 or later and
FX
3S/FX3G/FX3GC/FX3U PLC.
6.2.1 Instruction Format
1. Instruction format
2. Data setting
3. Devices
1:D.b is available only in FX3U and FX3UC PLCs. However, index modifiers (V and Z) are not available.
2 : Specify X000 to X007 for FX
3G/FX3GC/FX3U/FX3UC PLC.
Specify X000 to X005 for FX
3S PLC.
3 : Specify Y000, Y001, or Y002
*1
transistor output from the main unit, or specify Y000, Y001, Y002
*3
, or
Y003
*3
from a high-speed output special adapter
*2
.
*1. Y002 is not available in FX
3G PLC (14-point and 24-point type) and FX3S/FX3GC PLC.
*2. High-speed output special adapters can be connected only to the FX
3U PLC.
*3. To use Y002 and Y003 of a high-speed output special adapter, connect a second high-speed output
special adapter.
Note:
• To use an FX
3U PLC of relay output type or triac output type, be sure to connect a high-speed output
special adapter.
• Differential line drive type outputs will be used for the outputs of the high-speed output special adapter.
Operand type Description Data type
Specifies the near-point signal (DOG) input device number.
Bit
Specifies the zero-phase signal input number.
Specifies the pulse output number.
Specifies the rotation direction signal output destination number.
Operand
type
Bit device Word device Others
System user Digit designation System user
Spe-
cial unit
Index
Con-
stant
Real
num-
ber
Char-
acter
string
Pointer
XYMTCSD
.b KnX KnY KnM KnS T C D R U\G V Z Modify K H E ""P
  1 

2


3


4
1 
FNC 150
DSZR
ZERO RETURN
WITH DOG
SEARCH
16-bit
instruction
9 steps
DSZR
-
Continuous
execution
type
Instruction
symbol
Execution condition
32-bit
instruction
-
-
Instruction
symbol
Execution condition
Command
input
FNC150
DSZR
S
2
•S
1
• D
1
• D
2
•
S 1
S 2
D 1
D 2
S 1
S 2
D 1
D 2
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