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4.3 Wiring ST 3000 Transmitter, Continued
Existing meter
connections
Existing analog meters and SM 3000 Smart Meters can be connected to
Release 300 transmitters. Examples of each meter type are shown
below.
Analog Meter
8
0
1
0
0
6
0
4
0
2
0
0
%
10
2
4
6
8
1
0
Analog Meter Connections —You can connect the
analog meter (2-wires) integrally to Release 300
transmitter’s terminal block inside the electronics
housing. However, there are alternate wiring
methods for connecting an analog meter remotely
with the loop wiring. Section 13 in this manual
illustrates alternate wiring methods for connecting
an analog meter to Release 300 transmitters.
Smart Meter
0
100
%
SM 3000 Smart Meter Connections —The smart
meter (3-wires) can be connected remotely to a
Release 300 transmitter. Section 13 in this manual
illustrates alternate wiring methods for connecting
this smart meter to Release 300 transmitters.
New Smart Meter with
Local Zero and Span
UPPER
VALUE
UNITS
LOWER
VALUE
SET
VAR
SEL.
0
-
SPAN
ZERO
%
1000
New Smart Meter Connections – The new integral
smart meter (8-wires) is connected directly to the
transmitter’s PWA and is mounted to the
electronics module assembly inside the electronics
housing. The new integral smart meter is designed
for the ST 3000 Release 300 transmitter and
provides functionality not available with other
smart meter designs.
NOTE: Only one smart meter should be installed
integrally to the transmitter.
ATTENTION
Be aware that the RMA 300 remote meter does not have custom and
flow units capability like the new smart meter. Therefore, if you use a
local smart meter that is configured to display readings in custom or
flow units in conjunction with an RMA 300 remote meter, the readings
of the two meters will be in different units.
44 ST 3000 Release 300 Installation Guide 2/05