VFM-60
Vortex Flowmeter
Rev1.3
Date:24/04/2020 User’s Manual
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3 Wiring
VFM60 vortex flowmeter has 2 different terminal boards, the 5-terminals board and the 12
terminals board, please reference to picture 3.1 and 3.2 below.
V+ V-
A B
Picture 3.1 5-terminals board
V+
V-
RT3
RT2
RT1
I-
I+
A
B
P-
P+
Picture 3.2 12-terminals board
On above boards, V+ and V- are for power.
is pulse output terminal. A, B are “+” and “-” for
RS485Modbus communication, I+ and I- are + and – for 3-wire or 4-wire 4~20 mA.RT1, RT2, RT3 are
for separate RTD. P+,P- are for pressure transmitter . VFM60 multi –variable version has built in RTD
and pressure sensor, so clients are not required to wire for temperature or pressure compensation.