Spirax Sarco UTM20 Series - Wiring the Transmitter; Digital Outputs Wiring

IM-P505-02-US Issue 1
34
UTM20 Series Ultrasonic Transit-time Flowmeters
8.11 Digital Outputs Wiring
Fig. 37 Typical control out 1, 2 and 3 interface with internal pullups active
Note: Control Output 3 available with Energy model only.
Control Output #1
Control Output #2
Control Output #3
ISO_GND
ISO_GND
R12
10 Ohms
ISO 24V
10 k
TB700
5
6
7
8
9
10
If required
If required
Control Output #1
Control Output #2
Control Output #3
External Equipment
(Acceptable wire sizes: 28 to 12 AWG)