Siemens SIMATIC ET 200AL Handbuch Ausrüstung - Seite 26

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7.2

Behavior of the digital input module

Display

The channel status LEDs are directly influenced by the signal level at the socket.

If the encoder supply is switched off, this causes the channel status LEDs to also switch off.

Response to error detection

All channels that are in pause mode on "PE_MODE_PROCEED" report their diagnostic status as

in productive mode.

The following applies for all channels which switch to a different pause mode:

• Encoder supply switch-off upon the start of "pause" does not result in the "Short-circuit"

alarms.

• During the "pause", error detection of "Short circuit" is not possible:

– Alarms for errors already pending before the "pause" are retained.

– After the "pause" is over, the error status is updated and incoming/outgoing errors are

Mode parameter

The following table shows the "Mode" parameter.

Table 7- 1

Element Code

Mode

As there is only one encoder supply U

"pause" if no channel is configured in PE_MODE_PROCEED.

DI 8x24VDC 4xM12 (6ES7141-5AF00-0BA0)

Equipment Manual, 08/2021, A5E36680963-AB

reported correspondingly.

Mode parameter

: PE_MODE_PROCEED

: PE_MODE_SHUTDOWN

: PE_MODE_LAST_VALUE

: PE_MODE_SUBST_VALUE

7.2 Behavior of the digital input module

Explanation

Proceed at "pause"

•

Value status "GOOD"

Switch off at "pause"

•

Encoder supply U

•

Pause substitute value: 0

•

Value status "BAD"

Last value at "pause"

•

Encoder supply U

•

Pause substitute value: Last input value

•

Value status "BAD"

Substitute value at "pause"

•

Encoder supply U

•

Pause substitute value: Configured pause substi-

tute value

•

Value status "BAD"

for all channels, the supply can only be switched off at

PROFIenergy

switched off