Siemens SIMATIC ET 200SP HA Manual - Halaman 18

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Displays and interrupts

5.1 Status and error displays of the I/O module DI 8x24...125VDC HA

DIAG LED

Table 5-1

DIAG LED

MT LED

Table 5-2

Channel status/channel error LED

Regardless of the parameter assignment, the green LED channel status shows the signal level

at the input terminal. It lights up starting at approximately 10 V of terminal current.

The red channel fault LED lights up when a channel diagnostics is active for an enabled

channel.

Table 5-3

Channel status

Diagnostics display of the DIAG LED

Meaning

The power supply of the ET 200SP HA is faulty or switched off.

Off

Module is not configured.

Flashes

Parameters have been assigned for module, no module diagnostics pending

Module is configured, at least one diagnostic message is pending.

Flashes

Status display of the LED MT

MT LED

Meaning

No maintenance required

Off

Maintenance is required, i.e. at least one maintenance event has occurred.

Status and error display of the LEDs channel status and channel error

Channel fault

LED

Off

Meaning

Process signal = 0 and

● Channel disabled or module switched off

● Channel enabled and no channel diagnostics pending

● Module diagnostics pending

Process signal = 1 and

● Channel disabled or module switched off

● Channel enabled and no channel diagnostics pending

● Module diagnostics pending

Digital input module DI 8x24...125VDC HA (6DL1131-6DF00-0PK0)

Manual, 11/2017, A5E39288633-AB