Siemens SIMATIC ET 200SP Manual page 18

Displays and interrupts
5.1 Status and error displays of the I/O module DQ 16x24VDC/0.5A HA
DIAG LED
Table 5-1
DIAG LED
MT LED
Table 5-2
Channel status/channel error LED
The green LED channel status shows the signal level at the input terminal.
The red channel fault LED is lit when channel diagnostics for an enabled channel are pending.
Table 5-3
LED channel
18
Diagnostics display of the DIAG LED
Meaning
The supply voltage of the ET 200SP HA is disrupted or switched off.
Off
Module is not configured.
Flashes
Module is configured, a diagnostics message is not pending.
On
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.
On
Status and error display of the LEDs channel status and channel error
LED channel er‐
status ror
Off Off
On Off
Off On
On On
Meaning
● Channel disabled or module switched off
● Process signal = 0, channel enabled and no channel
diagnostics pending
● Module diagnostics pending
Process signal = 1, channel enabled and no channel diagnostics /
module diagnostics pending
Process signal = 0, channel enabled and channel diagnostics
pending
Process signal = 1, channel enabled and channel diagnostics
pending
Digital output module DQ 16x24VDC/0.5A (6DL1132-6BH00-0PH1)
Manual, 05/2017, A5E39265993-AA