Fail-safe standstill monitors
AZR 31 S1
Features:
Sensor-free detection of standstill by monitoring e.m.f.
Direct connection to three-phase motors
Suitable for connection to a frequency converter with the following interface date:
rotary hysteresis 0 ... 1000 Hz;
switching frequency of the end level up to 16 kHz;
engine voltage range 0 ... 400 V
3 enabling paths, Stop 0
1 indication contact (NC)
No reference value setting required
Wire-breakage monitoring of measuring inputs
Self-test with fault memory
Cyclic self-testing
5 LEDs to show operating conditions
Control Category 4 to EN 954-1
Plug-in terminals
