Delta ASDA-A3 Series User Manual page 641

Absolute System
You can read the pulse number or PUU number with DI/DO and P2.070. See the following timing
diagram.
10
ABSE (DIx)
Communication enabled
(Changeable DI)
ABSQ (DI4)
Signal request
(Fixed to DI4)
ABSR (DO2)
Signal ready
(Fixed to DO2)
ABSD (DO3)
Data content
(Fixed to DO3)
ABSW (DOx)
Communication error (DOx)
ABSE (DIx)
Communication enabled
(Changeable DI)
ABSQ (DI4)
Signal request
(Fixed to DI4)
ABSR (DO2)
Signal ready
(Fixed to DO2)
ABSD (DO3)
Data content
(Fixed to DO3)
ABSW (DOx)
Communication error (DOx)
The following table describes the delay time when reading the absolute position with DI/DO.
Min
Max
10-18
(1) (2)
(3)
T
S
T
Q
(4)
DI/DO function prior to handshake communication
Continued from (14)
Continued from (15)
in above figure
in above figure
(14) (15)
T
B
T
S
(13)
Continued from (13) in above figure
Figure 10.3.5.1.1 Timing diagram for reading the absolute position with DI/DO
T
R(ms)
-
200
(5) (7) (9)
T
N
T
N
T T
Q Q
(6) (8)
b0 b1
(16)
b0 b1
T T
S(ms) Q(ms)
P2.009 + 2
P2.009 + 10
Continue to (14) Continue to (15)
in below figure in below figure
(14) (15)
T
B
(12)
T
S
T
R
(10)
b2
(11) (13)
Continue to (13)
in below figure
b79
b2
T T
Nms)
ASDA-A3
B(ms)