YOKOGAWA ROTAMASS Total Insight - 7.4.6 Input signals

Wiring
Quick Reference Instruction Manual for Spare
Transmitter replacement
IM01U10A01-00EN-R, 1
st
edition, 2019-12-09
61 / 76
Active pulse
output P/Sout
Connection of an electronic counter
Maximum voltage and correct polarity must be observed for wiring.
Value
Load resistance > 1 kΩ
Internal power supply 24 V
DC
±20 %
Maximum pulse rate 10000 pulses/s
Frequency range 0 – 12.5 kHz
P/Sout+
P/Sout-
24 V
0 V
ROTAMASS
2
1
Fig.35: Active pulse output connection P/Sout
① Load resistance
② Electronic counter
Connection of an electromechanical counter
Value
Maximum current 150 mA
Average current ≤ 30 mA
Internal power supply 24 V
DC
±20 %
Maximum pulse rate 2 pulses/s
Pulse width 20, 33, 50, 100 ms
P/Sout+
P/Sout-
24 V
0 V
1
ROTAMASS
2
Fig.36: Active pulse output P/Sout connection with electromechanical counter
① Protective diode
② Electromechanical counter