Led Status Display - Siemens SINUMERIK ONE NCU 1740 Equipment Manual

Connectable components
12.2 PP 72/48D PN and PP 72/48D 2/2A PN
Example: Nameplate
The type plate and the MAC address label are on the rear of the mounting plate. It is advisable
to make a note of relevant data as it is no longer visible after installation.
①
②
③
④
⑤
⑥
Figure 12-9
12.2.1.1

LED status display

The I/O module has the following status displays that provide information on the module status:
Name
H1
H2
116
Component name
Article number
Serial number
Material number
Hardware revision level
MAC address
PP 72/48D PN type plate
Designation Color
PowerOK Green
PNSync Green
Description
Lit: Power supply OK
Not lit: As soon as one of the generated logic voltages falls below
its setpoint, a reset is triggered and the PowerOK LED goes out.
Lit: Task system has synchronized to the bus cycle clock.
Not lit: Task system is not synchronized to the bus cycle clock.
Flashes 0.5 Hz: Task system has synchronized to the bus cycle
clock and the cyclic data exchange is running.
Equipment Manual, 09/2022, A5E51087503B AC
NCU 1740