Table of Contents
Advertisement
S5-115U Manual
Address assignment when operating the module with alarm processing
•
4 input bytes are assigned from the base address x.
2 input bytes are stored in the process image; input bytes x + 2 and x + 3 must be
addressed direct.
7
x
7
x +1
7
4 3
x+2
7
4 3
x +3
•
4 output bytes are assigned in the process I/O image from the base address x.
7
x
7
x +1
7
4 3
x+2
x +3
Figure 9-3. Address Assignments when Operating with "Alarm Processing"
EWA 4NEB 811 6130-02b
0
0
0
Alarm inputs
0
ALARM REGISTER
Process alarms (flagging of the
channels initiating the alarm)
Signal status of the inputs x.0 to x.3 at
the time of an alarm at the input (x + 2).4
0
2 output bytes for 16
0
digital output channels
0
Enabling the process alarm
Alarm enable for the alarm inputs
This output byte can be written to but
this has no effect on the outputs (byte
not significant).
Interrupt Processing
3 input bytes for
24 digital input
channels
Process I/O
image
(L IW, L IB,
A I, ...)
Direct
addressing
(L PY)
Process I/O
image
9-13
Advertisement
Table of Contents
