Product: EWD Part No.: 244
Country: Bulgaria
Description: EOC EVALUATION INSTRUMENT
Techical specification: Material no.: 1205294
Technical data speed monitor
Type designation EWD/20...250VUC
Operating voltage 20 to 250 VAC/DC
Net frequency 40 to 70 Hz
Power requirement 4.5 VA
Monitoring range 0.01Hz to 1660 Hz or 0.6 to 100 000 1/min
Input frequency 150 000 1/min
Pulse time 0.2 ms
Pulse pause 0.2 ms
Hysteresis approx. 10 %
Delayed timing/start monitoring 0.5 to 30 s (in 10 steps)
Reproducibility 0.1 %
Temperature drift 0.005 %/K
Air and surface leakage paths
Input circuit to output circuit 4 mm
Input circuit to supply 4 mm (for 230 VAC)
Test voltage 2 kV (for 24 VDC 500 V)
Input circuits NAMUR/three-wire, pulse-switching
NAMUR input terminal: 9/10 to EN 60947-5-6 (NAMUR)
Working values U0 = 8.2 V; Ik = 8.2 mA
Switching threshold 1.4 mA Ie 1.8 mA
Wire breakage threshold 0.15 mA
Short circuit threshold 6 mA
Three-wire input pulse-switching, terminals 9 to 11
Working values U 15 V; I 30 mA
0-signal 0 to 5 VDC
1-signal 10 to 30 VDC
Condition: New (Unused)
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