Yaskawa MP900 Series Ladder Programming Manual - Manual (Page 49)

4.3 User Functions
4.3.1 What Is a User Function?
4-8
( 2 ) Relationship between I/O Data for a Function and Registers in the Function
The X, Y, Z, and D registers are initialized to different values when a function is called.
Refer to 4.4.2 ( 3 ) Precautions When Using Local Registers within a User Function for details.
The S, M, I, O, and C registers can also be accessed from within a function.
XB000000 to XB00000F
XW00001
XW00002
XW00003
XW00015
XW00016
YB000000 to YB00000F
YW00001
YW00002
YW00003
YW00015
YW00016
X Registers
(Function Input Registers)
Y Registers
(Function Output Registers)
Z Registers # Registers D Registers
AW00000
AW00001
AW00002
AW00003
A Registers
(Function External Registers)
MW00100
MW00101
MW00102
MW00103
Address Inputs
MA00100
Registers within a User Function
Bit data inputs
(16 bits max.)
Data inputs
• Word data
• Long data
• Float data
(16 words max.)
Bit data outputs
(16 bits max.)
Data outputs
• Word data
• Long data
• Float data
(16 words max.)
IMPORTANT
INFO