Mitsubishi Electric MELSEC-A User Manual page 126

14. AJ71 UC24 MASTER STATION
MELSEC-A
(2) Data received from AOJ2C25 by AJ71 UC24
Bits received by the AJ71 UC24 buffer memory correspond to AOJ2C25
inputs (X) as shown below:
(a) When the previous station uses higher
8
bits
Received
data area
p z i E q
p E i r
Buffer memory Device number
nth point nth point
(n+7)th point
1
(n+7)th point
I
I
Higher 8 bits
I
Lower 8 bits
B: Head address of the receive data area
corresponding to the appropriate
AOJ2C25 remote station
(b) When the previous station uses only the lower 8 bits
XO(X0 to x7)
XS(X8 to XF)
x1qx1otox17)
Xts(Xl8 to XtF)
x4qx40 to x47)
X48(X48 to X4F)
X5O(X50 to x57)
X58(X58 to X5F)
Received
data area
p z i G - q r-xGEz-
Buffer memory Device number
nth point nth point
(n+7)th point
1
(?+7)th point)
I
Higher 8 bits
I I
Lower8 bits
1
0 : Head address of the receive data area
corresponding to the appropriate
AOJ2C25 remote station
XO(X0 to x7)
XS(X8 to XF)
X10(X10 to X17)
X18(X18 to XIF)
X40(X40 to X47)
X48(X48 to X4F)
XSO(X50 to X57)
XSs(X58 to X5F)
X8qX80 to X87)