Siemens SIMATIC S5-115U, User Manual

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