RHE26/27 Installation & Startup Guide – Doc. No. 8.2.1.06 – Ver. 1.40
6
The housings are supplied fitted with spring clip retainers. To install, push the housing into the
cut-out from the front of the panel.
The RHE26 can optionally be DIN rail mounted for in-panel installation.
To remove transmitter from the panel, depress the retaining springs in towards the housing sides
and gently push the housing out of the panel from the back.
Technical data and mechanical drawings can be found in Appendix B.
3.2
Electrical Installation
Caution, the surface of the connection box may be hot if a hot fluid is running through
the RHM sensor.
Electrical connections to the transmitter are made onto multi-conductor plug headers. The
connectors are color coded for ease of identification:
Black
: power supply
Blue
: connection to RHM and 4-20mA pressure sensor (if present)
Green
: I/O signals
The standard plugs are a push-in wire connection type. Solid wires and stranded wires with end
sleeves can be connected by simply pushing the wire into the opening. For connecting stranded
wires without prepared ends (crimp ferrules, etc.), it may be necessary to press down and hold
the cable release operator while inserting the wire.
To disconnect a wire, simply press down the cable release operator and withdraw the wire while
it is held down.
Other types of connector, such as those with screw terminals may be available and can also be
used.
Interconnecting RHE/RHM
Only interconnecting cable
(ARHE-Cx cable)
supplied by Rheonik should be used to connect an
RHE to an RHM.
Cable not supplied by Rheonik may lead to a poor performance of the Coriolis
mass flow meter.
Table 2: Overview RHM electrical connection types
RHM electrical
connection type
Junction box / terminals
Section
JM, SM
aluminium, stainless steel / 11
3.2.1.1
TM
- / PTFE cable with 9 wires + shield
3.2.1.2
JO
aluminium / 12
3.2.1.3
legacy type
aluminium, stainless steel / 9
3.2.1.4
