Siemens Sinumerik 828D Manual page 221

Pin assignment
Table 7-89
Pin
1
2
3
Power requirement
0.7 A (at 24 V DC) for PP 72/48D 2/2A PN and digital inputs plus 3 x 4 A at X111, X222 and
X333 for supplying digital outputs.
Wiring the screw terminal block
The required 24 VDC load power supply is wired to the screw-type terminal block (X1).
Protective separation
The 24 V direct voltage must be configured as an extra-low-voltage with protective separation
- DVC A or PELV.
Power cables
Table 7-90
Features
Connection option
Current carrying capacity
Max. cable length
Use flexible cables with a cross-section of 0.25 to 2.5 mm
the power supply according to the maximum occurring current.
If you only use one wire per connection, a ferrule is not required.
You can use ferrules without an insulating collar in accordance with DIN 46228, Form A long
version.
PPU and components
Manual, 05/2015, 6FC5397-2DP40-3BA4
Pin assignment at X1 screw-type terminal block
Signal name
P24
M
PE
DANGER
Cable specification for X1
Signal type Meaning
VI 24 VDC power supply
GND Ground
GND Protective ground
Version
Up to 2.5 mm
max. 10 A
10 m
Anschließbare Komponenten
7.9 PP 72/48D 2/2A PN
2
(or AWG 23 to AWG 13) for wiring
2
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