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Siemens SINUMERIK 840D User Manual

Siemens SINUMERIK 840D
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03.06
4.5 Technical data
4-60
© Siemens AG, 2006. All rights reserved
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition
MEPUS 0/1 measuring pulse signal 0/1
MEPUC 0/1 measuring pulse common (reference ground) 0/1
INPUT [0...3] binary NC input 0...3
2)
MEXT external ground (reference ground for binary NC inputs)
OUTPUT [0...3] binary NC output 0...3
3)
M24EXT external 24 V infeed (–) for binary NC outputs
P24EXT external 24 V infeed (+) for binary NC outputs
1)
Max. 500 mA per handwheel, i.e. a total of max. 1 A
2)
High level: rated value 24 V, limits 15 ..30 V / 2 mA...15 mA
Low level: rated vale 0 V or open, limits –3...5 V
3)
The binary outputs are short-circuit proof.
Max. switching current per output: 500 mA (coincidence factor 100%).
For an inductive load, an external protective circuit is required for unloading
the inductivity
4.5 Technical data
Table 4-16 General technical data
Security
Protection class I (protective conductor) as per EN 61800–5–1
Degree of protection per
EN 60529
IP20 (with NCU box)
or IPXXB
IP00 (without NCU box)
Approvals CE / cULus
Degree of contamination 2
Cooling Open circuit ventilation
Mechanical ambient conditions
Transport
(in transport packaging)
2M2 according to EN 60721–3–2
Bearings 1M2 according to EN 60721–3–1
4 Descri
p
tion of the NCU

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Siemens SINUMERIK 840D Specifications

General IconGeneral
SeriesSINUMERIK 840D
AxesUp to 31
ChannelsUp to 10
Operating SystemWindows-based
Power Supply24 V DC
Control Unit TypeCNC
InterfaceEthernet, PROFIBUS
DisplayTFT color display
InterpolationSpline
PLCIntegrated PLC
Data StorageCompactFlash, USB

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