Omron E5AF, Operation Manual

Page: 55 / 82

'0
4--6--2 Reading
DSL1 set
(0)
DSL2 set
(1)
DSL3 set
(3)
DSL4 set
(5)
20 ms min.
(A)I (A)II (A)III (A)IV
(4) (2)
10
0
read 10
1
read
(6) (8)
10
2
read 10
3
read
(C)I (C)II (C)III (C)IV
(B) (B) (B)
(D)I (D)II (D)III
DSL
I
DSL
II
DSL
III
DSL
IV
DSL: Data select
code
RD: Read data
RD
I
RD
II
RD
III
RD
IV
1) (A)I, (A)II, (A)III, (A)IV
……
30 to 50 ms
2) (B)
……………………………
MIN. 30 ms
3) (C)I, (C)II, (C)III, (C)IV
……
MAX. 80 ms
VAL
BUSY
DSL
1 to 6
RD
1 to 4
Note If the scanning speed of the PC is too slow to read the low level BUSY signal
(part (A) of the above timing chart), change the DSL setting as follows:
(D)I > (C)I, or, (D)II > (C)II, (D)III > (C)III
4--7 E5AF-A20: Application Example #1
The following example describes the I/O configuration and programming re-
quired to send set values and process values between the E5AF-A20 and
the C1000H SYSMAC C-series PC.
4--7--1 I/O Configuration
The following illustration and table show the system configuration and I/O
allocations used in this example.
Signal direction
designations are from the
view of the E5AF; I/O allocations and PC Unit designations are from the view
of the PC.
C1000H SYSMAC
C-series PC
Input Units
Output Units
IR 004
IR 003
IR002
IR 001
IR 000
E5AF
Thumbwheel
switches
Display
Control
inputs
)*$+,- & ./
Section 4--7