4 fieldbus type address map – IAI America MSCON User Manual
Page 107
3.4 Fieldbus
Type
Address Map
99
(2) Input and Output Signal Assignment for each Axis
The I/O signals for each axis consists of 4 words for each I/O bit register.
Ɣ The control signals and status signals are ON/OFF signals in units of bit.
Ɣ For the current position, 2-word (32-bit) binary data is available and values from -999999 to
+999999 (unit: 0.01mm) can be used. Negative numbers are to be dealt with two’s
complement.
Ɣ For the indicated position number and complete position number, 1-word (16-bit) binary data
is available and values from 0 to 255 can be used.
PLC Output (m is PLC output top word address for each axis number)
Address m
b15 b14 b13 b12 b11 b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
Unavailable
Address m+1
b15 b14 b13 b12 b11 b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
Unavailable
䎃
䎃
Address m+2
b15 b14 b13 b12 b11 b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
Specified
Position No.
–
–
–
–
–
–
–
–
PC128
PC64
PC32
PC16
P
C
8
P
C
4
P
C
2
P
C
1
䎃
䎃
Address m+3
b15 b14 b13 b12 b11 b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
Control Signal
B
K
R
L
–
–
–
–
MODE
P
W
R
T
JO
G
+
JO
G
-
JV
E
L
JI
S
L
SON
R
E
S
S
TP
HOME
CSTR
䎃
Caution : Set the operational condition in advance with using a teaching tool such as PC
software in the position number to be used. Selecting a position number with no
setting conducted will generate the alarm code 0A2 “Position Data Error”.
1 word=16 bit