Wiring - Bell VFM60 Series User Introduction Manual

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.
On above boards, V+ and V- are for power.
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.
Date:24/04/2020
V+ V- A B
Picture 3.1 5-terminals board
V+ V- RT1 RT2
P+ P- I+ I- A
Picture 3.2 12-terminals board
is pulse output terminal. A, B are "+" and "-" for
10 / 59
VFM-60
Vortex Flowmeter
RT3
B
Rev1.3
User's Manual