Siemens Simatic S7-1500/ET 200MP Manuel - Sayfa 25

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Interrupts/diagnostics alarms

5.2 Interrupts

Reaction when reaching limits 1 and 2 at the same time

If the two high limits 1 and 2 are reached at the same time, the module always signals the

hardware interrupt for high limit 1 first. The configured value for high limit 2 is irrelevant.

After processing the hardware interrupt for high limit 1, the module triggers the hardware

interrupt for high limit 2.

The module has the same reaction when the low limits are reached at the same time. If the

two low limits 1 and 2 are reached at the same time, the module always signals the hardware

interrupt for low limit 1 first. After processing the hardware interrupt for low limit 1, the

module triggers the hardware interrupt for low limit 2.

Structure of the additional interrupt information

Table 5- 3

Structure of USI = W#16#0001

Data block name

USI

(User Structure Identifier)

The channel that triggered the hardware interrupt follows.

Channel

The event that triggered the hardware interrupt follows.

Event

Contents

W#16#0001

B#16#00 to B#16#n

B#16#03

B#16#04

B#16#05

B#16#06

Remark

Additional interrupt info for hardware inter-

rupts of the I/O module

Number of the event-triggering channel (n =

number of module channels -1)

Low limit violated 1

High limit violated 1

Low limit violated 2

Violation of high limit 2

Analog input module AI 16xU BA (6ES7531-7LH00-0AB0)

Equipment Manual, 09/2020, A5E47052556-AA

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