Vega WEIGHTRAC 31 Operating Instructions Manual page 31

Tachometer (digital)
WEIGHTRAC 31 • 4 ... 20 mA/HART - four-wire
Fig. 17: Belt speed - plant control system (PLC) or tachometer (analogue)
A Output
1 Plant control system (PLC)
2 Tachometer (analogue)
3 Diode (blocking voltage > 50 V)
Fig. 18: Digital tachometer (TACHO.A1A4M)
Not required with output "open collector"
3)
5 Connecting to power supply
3
2
3)
1
A
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