Trio-Wirl Vr/Sr4000 Remote; Figure 5-2 Connection Box Trio-Wirl; Figure 5-3 Trio-Wirl Vr/Sr; Figure 5-4 Connection Box Trio-Wirl Vr/Sr Flowmeter Primary - ABB TRIO-WIRL ST4000 Instruction Manual

Power Supply/
Current Output
Terminals
Contact Output
Terminals

FIGURE 5-2 CONNECTION BOX TRIO-WIRL

5.2.2 TRIO-WIRL VR/SR4000 Remote

The TRIO WIRL VR/SR (Figure 5-3) is based on the
VT/ST technology and includes all the options avail-
able in the VT/ST models. The converter is mounted
remotely from the flowmeter primary when it is installed
in a location difficult to access. This design also offers
advantages when the ambient conditions at the flow-
meter primary are extreme. The meter should be con-
nected using Figures 5-4
maximum distance between the converter and the flow-
meter primary is 33 ft. (10 m). A special cable is utilized
to interconnect the flowmeter primary and the con-
verter (this cable is permanently attached to the con-
verter).

FIGURE 5-3 TRIO-WIRL VR/SR

Start-Up & Operation 5 - 2
TRIO-WIRL INSTRUCTION MANUAL
Ground
& 5-5 as guidelines. The
.
After the installation has been completed, the cable
may be cut to the length required to reach the flowme-
ter primary. Because the signals between the flowme-
ter primary and converter are not amplified, all
connections must be made with care and the leads
positioned in the connection box so that they are not
affected by vibrations.
Conn. Terminals
Flowrate Sensor
FIGURE 5-4 CONNECTION BOX TRIO-WIRL
VR/SR FLOWMETER PRIMARY
Cable Termination Details
To Converter
Conn. Terminals
Pt100
PN25080