Lenze SIMPLABELT Compact Units - Manual (Page 18)

Installation
18
L
BA S’belt KE EN 1.0
Fig. 5 Output voltage of the three-phase AC tacho with rectification as a function of the speed and the input resistance of the
display unit
Pulse recorder
The contactless speed measuring works with a rotating punched disk and a fixed pulse recorder.
In connection with a NAMUR input the pulse recorder generates a digital signal.
Suitable Lenze display units:
Analog voltmeter VSC 96 (approx. 5000
Ω
) with digital-to-analog converter
Digital display unit ELTA 2000 A
1 Pulse recorder
2 Punched disk
3 Fixing screw
4 Cover
K11.0249/1
Fig. 6 Pulse recorder
Technical data:
Housing Stainless steel
Connection cable 2.5 m PVC cable 2 x 0.14mm max. 300 m should be connected
Control circuit DIN 19234 or NAMUR
Auxiliary power/rated value 8.2 V ” 0.5 V / R
i
= 1 k Ω ” 50 Ω
Signal voltage > 1,2 V
ss
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