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Name
H3
H4
H5
H6
Note
When the system is booting, LEDs H1, H2 and H3 are lit.
12.2.2
Installation
12.2.2.1
Mounting
The I/O module is fastened to the wall of the control cabinet using a mounting plate and M6
screws. The module must be installed according to EN 60204.
NOTICE
The I/O module can be damaged if there is no ground connection
A protective conductor must be connected using the grounding screw.
Note
The type plate is fitted to the rear side of the mounting plate. Note the relevant data because it
is no longer visible after installation.
Table 12-11
Portrait mounting at the lateral strap of the mount‐
ing plate
Flat mounting at the rear wall of the mounting plate (4x screw M6).
Only use copper conductors as ground wire.
NCU 1740
Equipment Manual, 09/2022, A5E51087503B AC
Designation
Color
PNFault
Red
DIAG1
Green
DIAG2
Green
OVTemp
Red
Mounting versions:
12.2 PP 72/48D PN and PP 72/48D 2/2A PN
Description
Not lit: Module is operating without errors; the data exchange
with all configured I/O modules is running.
Lit: Severe bus error
One of the following errors is present at port 1/port 2:
•
No physical connection to a subnet/switch
•
Incorrect transmission rate
•
Full duplex transmission is not activated
Reserved
Reserved
Overtemperature display
(2x screw M6).
AWG10 (2.5 mm2), the torque is 3 Nm.
Connectable components
117
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