Zero Return (Zrn Instruction; Instruction Format - Mitsubishi Electric FX3S Series User Manual

FX /FX /FX
3S 3G 3GC
Built-in Positioning Functions
6.3

Zero Return (ZRN Instruction)

Use this instruction to change the CLEAR signal output destination with an FX
FX /FX
3S
6.3.1

Instruction Format

1. Instruction Format
FNC 156
D
ZERO RETURN
Command
input
2. Data setting
Operand type
*1.
3. Devices
Operand
type
S
1
S
2
S
3
D
1 : D.b is available only in
2 : Specify Y000, Y001, or Y002
*2.
*3.
*4.
3 : Only available for FX
4 : Only available for FX
Note:
• To use an FX
special adapter.
• Differential line drive type outputs will be used for the outputs of the high-speed output special adapter.
B - 110
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/FX /FX PLC User's Manual - Positioning Control Edition
3U 3UC
/FX /FX PLC.
3G 3GC 3U
16-bit
instruction
ZRN
ZRN
9 steps
FNC156
• •
S S
1 2
ZRN
Specifies the zero return speed.
S
1
Specifies the creep speed. (Setting range: 10 to 32,767 Hz)
S
2
Specifies an input number for the near-point signal(DOG).
S
3
Specifies the pulse output number.
D
Setting range : 10 to 32,767 Hz for 16-bit operation
For 32-bit operation, however, the setting range should be as shown in the following
table.
FX PLC
3U
FX /FX
3S 3G
Bit device
System user
X Y M T C S D .b KnX KnY KnM KnS T C D

1
   
2
FX
*4
Y003 from a high-speed output special adapter
Y002 is not available in FX
High-speed output special adapters can be connected only to the
To use Y002 and Y003 of a high-speed output special adapter, connect a second high-speed output
special adapter.
/FX
3G
and FX
3U
PLC of relay output type or triac output type, be sure to connect a high-speed output
3U
search engine
Instruction
Execution condition
symbol
Continuous
execution
-
type
•
S D•
3
Description
*1
Pulse output destination
High-speed output special adapter 10 to 200,000(Hz)
/FX /FX /FX PLC Main unit (transistor output)
3GC 3U 3UC
Word device
Digit designation System user
      
      
and FX PLCs. However, index modifiers (V and Z) are not available.
3U 3UC
*2
transistor output from the main unit, or specify Y000, Y001, Y002
*3
.
PLC (14-point and 24-point type) and FX
3G
/FX /FX PLCs.
3GC 3U 3UC
PLCs.
3UC
6 Mechanical Zero Return - DSZR/ZRN Instruction
6.3 Zero Return (ZRN Instruction)
PLC Ver. 2.20 or later and
3UC
32-bit
Instruction
instruction
symbol
DZRN
17 steps
-
Con-
Special
Index
unit
stant
U \G

R V Z Modify K H

3 4
    
3 4
    


/FX PLC.
3S 3GC
FX PLC.
3U
Execution condition
Continuous
execution
type
Data type
BIN16/32-bit
Bit
Setting range
10 to 100,000(Hz)
Others
Real Char-
num- acter Pointer
ber string
E " " P

*4
, or