© KROHNE 06/2001
Addendum to
Operating and
Instruction Manual
For Modis Converters
MFC 081/085i
KROHNE Ltd ∙ Rutherford Drive ∙ Park Farm Industrial Estate ∙ Wellingborough ∙ Northamptonshire ∙ NN8 6AE
Tel. +44 1933 408 500 ∙ Fax +44 1933 408 501∙ WWW.KROHNE.com
Page 1 of 18
Addendum to Operating and Instruction Manual for “Modis” Converters
Contents
Ex Versions
1.Description………………………………………………………………………….3
2.Output Options …………………………………………………………………….3
3.Power Supplies…………………………………………………………………….4
4.Output Wiring……………………………………………………………………… 5
Non-Ex Modis Converters
5.Description…………………………………………………………………………5
6.Available Versions…………………………………………………………………5
7.Terminal Connections……………………………………………………………..6
Communication Options
8.Supplementary Instructions for PROFIBUS PA ………………………………..7
9.Foundation Fieldbus (Pending)
KROHNE Ltd ∙ Rutherford Drive ∙ Park Farm Industrial Estate ∙ Wellingborough ∙ Northamptonshire ∙ NN8 6AE ∙ UK
Tel. +44 1933 408 500 ∙ Fax +44 1933 408 501∙ WWW.KROHNE.com
Page 2 of 18
Addendum to Operating and Instruction Manual for “Modis” Converters
Ex Versions
1. Description
These versions of the converter are suitable for installation in a hazardous area where intrinsically safe outputs are required.
This converter has passive outputs, which also has the benefit of utilizing the multi-drop feature of HART®. The outputs are galvanically separated from each other.
Please ensure that you know which converter options you have, to use the correct wiring diagram.
2. Output Options
The following output options are available:
G.1 x 4 -20mA and 1 x Pulse output
H.1 x 4 -20mA and 1 x Status output
K.1 x 4 -20mA and 1 x Control input L. 2 x 4-20 mA
M. 1 x 4-20mA and PROFIBUS PA
N. 1 x 4-20mA and Foundation Fieldbus (pending)
Note: HART® is available on the first current output in all cases except options M and N.
Wiring the Converter:
Note:
Supply compartment is separated from output terminals
KROHNE Ltd ∙ Rutherford Drive ∙ Park Farm Industrial Estate ∙ Wellingborough ∙ Northamptonshire ∙ NN8 6AE ∙ UK
Tel. +44 1933 408 500 ∙ Fax +44 1933 408 501∙ WWW.KROHNE.com
Page 3 of 18
Addendum to Operating and Instruction Manual for “Modis” Converters
Wiring the Power Supply:
Slide the cover to the left to |
Power supply terminals |
Expose the power terminals. |
covered. |
3. Power Supplies:
The converter is available in two options:
A.24 V AC/DC Switched mode supply
B.100/230 V AC
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24V AC/DC Version |
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100 – 230V AC Version |
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11 |
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11 |
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24V AC/DC |
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N |
L |
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100-230 V |
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KROHNE Ltd ∙ Rutherford Drive ∙ Park Farm Industrial Estate ∙ Wellingborough ∙ Northamptonshire ∙ NN8 6AE ∙ UK
Tel. +44 1933 408 500 ∙ Fax +44 1933 408 501∙ WWW.KROHNE.com
Page 4 of 18
Addendum to Operating and Instruction Manual for “Modis” Converters
4. Output Wiring:
Option G, H, K |
Option L |
Option M, N |
I1 |
I1 |
B |
B |
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11 |
12 |
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I1 |
I1 |
I2 |
I2 |
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12 |
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I1 |
I1 |
D |
D |
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12 |
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4 - 20 mA |
24 V AC/DC |
4 - 20 mA |
24 V AC/DC |
4 - 20 mA |
24 V AC/DC |
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or |
#1 |
or 100-230 VAC |
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P- |
P+ 100-230 VAC |
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4 - 20 mA |
Profibus PA |
100-230 VAC |
or |
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#2 |
or |
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S- |
S+ |
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Fieldbus Foundation |
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C- |
C+ |
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Depending on function programmed
Non-Ex Versions
5. Description:
This version of converter is similar to the existing Modis converter range but has no Ex approvals.
It has been introduced to provide the options of Profibus PA, Foundation Fieldbus (planned) and galvanically isolated outputs for non-Ex environments such as food and pharmaceutical applications.
6. Available Versions:
L2 x 4-20mA passive output (freely programmable). HART protocol on first output. Both outputs galvanically separated from each other and the power supply.
M1 x 4-20mA passive output (freely programmable) and 1 x Profibus PA passive output
(HART protocol not available). Both outputs galvanically separated from each other and the power supply.
NLike M, but 1x Fieldbus Foundation passive output (pending)
Supply Voltage:
These converters are available with the same two voltage options: 24V AC/DC
100 – 230 V AC
KROHNE Ltd ∙ Rutherford Drive ∙ Park Farm Industrial Estate ∙ Wellingborough ∙ Northamptonshire ∙ NN8 6AE ∙ UK
Tel. +44 1933 408 500 ∙ Fax +44 1933 408 501∙ WWW.KROHNE.com
Page 5 of 18
Addendum to Operating and Instruction Manual for “Modis” Converters
7. Terminal Connections:
Option L |
Option M, N |
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Programming:
All programming and functions remain as for standard converters as described in the main instruction manual.
Communication Options
Two options are planned for this converter. PROFIBUS PA is available with Foundation
Fieldbus to follow.
KROHNE Ltd ∙ Rutherford Drive ∙ Park Farm Industrial Estate ∙ Wellingborough ∙ Northamptonshire ∙ NN8 6AE ∙ UK
Tel. +44 1933 408 500 ∙ Fax +44 1933 408 501∙ WWW.KROHNE.com
Page 6 of 18
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