1
Electromagnetic Flowmeter Converter
1.
Functional Description
The converter processes the flowrate proportional signals
from the electromagnetic flowmeter primary into frequency
proportional pulse signals (scaled or unscaled output) and
into a current output (See “Block Diagram” on page37)..
2.
Assembly and Installation
2.1
Inspecting the Converter
Before installation check the converter for damage due to
possible mishandling during shipping. All claims for damage
are to be made promptly to the shipper before installation.
2.2
Converter Installation
The installation site for the converter must be essentially free of
vibration. The specified temperature limits of -20 °C and +60 °C
must be observed. Consideration must be given to assure that
the max. cable length specifications between the converter and
the flowmeter primary are not exceed; 50 m for the standard
design and 200 m for designs which include a preamplifier.
In addition, the installation site of the converter should not be
exposed to direct sunlight. If the ambient temperature limit of
+60 °C is exceeded the readability of the LC-Display is affected.
It will no longer be possible to read the process information. If it
in not possible to avoid direct sunlight, a sun shield should be
installed.
Field Mount Housing
The converter housing is designed for Protection Class IP 65
(EN 60529). The lower housing section is to be mounted using
4 screws, see “Dimension Drawings” on Page 2.
19”-Converter Insert
The insert cassette, 167 mm long, is designed for Protection
Class IP 00. The inserts are mounted in a 19“-Card Frame. Up
to four converters can be mounted in one 19“-Card Frame. The
19“-Card Frames per DIN 41494 will fit in any 19“-Cabinet or
Rack, see “Dimension Drawings” on Page 2.
19”-Stainless Steel Protective Housing
When mounting the 19”-stainless steel protective housing - see
“Dimension Drawings” on Page 2 - in 3 HE or 6 HE and larger,
a heavy duty anchor (Hilti HSA-Anchor) is recommended for
mounting to a wall.
Rear Panel Mount Housing for 19”-Converter
After the panel cutout has been competed - see “Dimension
Drawings” on Page 2 - insert the panel mount housing and
tighten the 4 holding brackets against the front plate . The
mounting of the panel mount housing is complete.
Interchangeability of Converters
Although the functions of the converter inserts are the identical
for all flowmeter sizes, it is important to check that the supply
power specifications and the output functions are the same for
both converters before any replacement is made. After the
converters are exchanged the meter location parameters can
be uploaded into the replacement converter by calling the
parameter „Load data from ext. EEPROM“ with ENTER. See
also Page 26.
!
Note:
It is important to assure that only a flowmeter primary
designed for AC magnetic field excitation is connected
to the converter Model 50SM1000.
Flowmeter Primary Model Numbers:
DS21...., DS41...., DS41....>12”(DN300),
10DS2110,10DS3110, 10DS3111 E >12”(DN300),
10DS3112, 10DS3121, 10DI1425 <20”(DN500),
10DI1425 >16”(DN400”, 10D1422
!
Note:
When the contact in- and output for a 19”-Converter
are configured as optocouplers (available as an
option) the control card (7TE) is not required. In this
arrangement up to four converters can be installed in a
single 19”-Card Frame.
Instruction Bulletin
Converter
Flowmeter Primary
50SM1000 D184B085U01 Rev. 01
MAG-SM D184B064U01 Rev. 02
Specification Sheet
MAG-SM D184S034U01 Rev. 01
Flowmeter Primary Simulator
55XC4000 D184B049U01
Содержание MAG-SM
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