Seneca K109UI Manual de usuario
ENGLISH - 1/8MI00096 -E3
EN
K109UI V - mA CONVERTER
WITH 3-POINT GALVANIC INSULATION
General Description
The K109UI instrument is a V - mA converter with 3-point galvanic insulation designed
for industrial standard voltage or current signals with passive input and active output.
Analogue/digital conversion takes place at 14 bit on every input range.
The instrument also provides the following functions:
Rejection programmable for 50 or 60 Hz mains frequency.
Additional reading stabilisation filter.
Inversion of the input and inverted output scales
Input Out-of-Range programmable to 2.5% or 5.0%
SQRT function.
Linearisation for horizontal cylindrical tanks.
The module is also characterised by its extremely compact size, coupling to 35 mm DIN
driver, power supply available by bus, quick fit couplings by spring-type terminals, 3-
point insulation, onsite configuration by DIP-switch.
Technical Features
Power supply :
Consumption :
19,2 - 30 Vdc
Max 22 mA at 24 Vdc ( 20 mA output )
Voltage input (max. 50 V) :
Voltage input (max. 30 V) :
Current input (max. 24 V) :
Permissible max. Input Out-of-
Range :
0 - 15 V, 0 - 30 V, Input Impedance: 325 kΩ
0 - 10 V, 2 - 10 V, 0 - 5 V, 1 - 5 V,
Input Impedance: 110 kΩ
0 - 20 mA, 4 - 20 mA, Input Impedance: 35 Ω
± 2,5 or ± 5% depending on setting (see section on
Input Out-of-Range Limits)
Digital, 32 bit floating-point calculation
14 bit on every input range
Processing :
ADC :
0 - 5 Vdc, 1 - 5 Vdc, 0 - 10 Vdc and 10 - 0 Vdc
Minima load resistance: 2 KΩ
0 - 20 mA, 4 - 20 mA, 20 - 0 mA e 20 - 4 mA
Maximum load resistance: 500 Ω
± 30 V
Fixed (see section on Output Out-of-Range Limits)
approximately 25 mA
Voltage output :
Current output :
Maximum applied Voltage :
Permissible max. Output Out-of-
Range:
Current output protection :
10-90% response :
Transmission :
Max. transmission error :
(1)
Resolution :
(1)
Thermal drift :
SQRT error :
(2) (3)
Linearisation error Cylindrical
tank :
(2)
50 Hz : max 41 ms without filter and 88 ms with filter;
60 Hz : max 35 ms without filter and 74 ms with filter.
Digital Optical
0.08% of the f.s. value for mA or 5 V output
0.07% of the f.s. value for 10 V output
1 mV for voltage output, 2 uA for current output
Lower than 120 ppm/K
in the range 1 - 100%: floating point 32 bit
0,05%
MI00096 -E3 ENGLISH - 2/8
Insulation Voltage :
Protection Index :
Operating Conditions :
Storage Temperature :
LED Signalling :
Connections :
Conductor Section :
Wire stripping :
Standards :
Dimensions, Weight :
1,5 KV (50 Hz for 1 min )
IP20
Temperature -20 - +65 °C
Humidity 30 - 90 % at 40°C (non-condensing)
Altitudine 2000 slm
-40 - +85 °C
Input or output out-of-range limiter device triggered or
input saturation Internal fault..
Spring terminals
0,2 - 2,5 mm2
8 mm
EN50081-2 (electromagnetic emission, industrial surroundings)
EN50082-2 (electromagnetic immunity, industrial surroundings)
EN61010-1 (safety)
Notes:
- Use with copper conductor.
- Use in Pollution Degree 2 Environment .
- Power Supply must be Class 2.
- When supplied by an Isolated Limited Voltage/Limited
Current power supply a fuse rated max 2.5Ashall be
installed in the field.
6,2 x 93,1 x 102,5 mm, 50 g.
Box : PBT (black colour)
(1) No linearisation function connected
(2) Linearisation functions operate only in the 0..100% rated range, whereas for the
under-range and the over-range, the input signal is transferred without any alteration
(G=1). Continuity and monotonic quality of transfer guaranteed throughout the entire
range of measurement
(3) In the 0..1% section, the curve is linear with gain G=10 in order to avoid over-
amplification of the noise in the initial section of the measurement range.
MI00096 -E3 ENGLISH - 3/8
Installation rules
This module has been designed for assembly on a DIN 46277 rail. Assembly in vertical
position is recommended in order to increase the module's ventilation, and no raceways or
other objects that compromise aeration must be positioned in the vicinity.
Do not position the module above equipment that generates heat; we recommend
positioning the module in the lower part of the control panel or container compartment.
We recommend rail-type assembly using the corresponding bus connector (Code K-BUS)
that eliminates the need to connect the power supply to each module.
K109UI
0
1
15
6
7
8
2
3
4
SW1 SW2
POWER
SUPPLY
OUTPUT
INPUT
19.2..30 Vdc
P < 500 mW
V / I
+
+
-
-
Range : -150..650 °C
Load : R 500 / R 2 k< >
Test Voltage : 1.5 kV, 50 Hz, 1 min
Amb. Temp. : -20..+65 °C
m
WW VI
K109UI
0
1
1
5
6
7
8
2
3
4
SW1 SW2
POWER
SUPPLY
OUTPUT
INPUT
19.2..30 Vdc
P < 500 mW
V / I
+
+
-
-
Range : -150..650 °C
Load : R 500 / R 2 k< >
Test Voltage : 1.5 kV, 50 Hz, 1 min
Amb. Temp. : -20..+65 °C
m
W
WV
I
1 -Attach the module in the upper part of
the rail.
2 - Press the module downwards.
1 -Apply leverage using a screwdriver (as
shown in the figure).
2 - Rotate the module upwards.
Inserting the module in the rail Removing the module from the rail
Using the K-BUS connector
1 - Compose the K-BUS connectors as required in order to obtain the number of positions
necessary (each K-BUS permits the insertion of no. 2 modules).
2 - Insert the K-BUS connectors in the rail by positioning them on the upper side of the rail
and then rotating them downwards.
sIMPORTANT: Pay particular attention to the po ition of the protrudent terminals of the
K-BUS. The K-bus must be inserted in the guide with the protrudent terminals on the left
(as shown in the figure) otherwise the modules are turned upside downs.
-Never connect the power supply directly to the bus connector on the DIN
rail.
-Never tap power supply from the bus connector either directly or by using
the module's terminals.
!
MI00096 -E3 ENGLISH - 4/8
All the module DIP switches are at pos. 0 as defaut configuration.
This set correspond to the following configuration :
It is understood that this configuration is valid only with all the DIP switches at position 0.
If also one Dip is moved, it is necessary to set all the other parameter as indicated on
the following tables.
Input signal
50-60 Hz mains frequency rejection
Input filter
Inversion
Linearisation
Output signal
Input Out-of-range
0 - 20 mA
50 Hz
Present
No
None
0 - 20 mA
±5% limit
SETTING OF THE DIP-SWITCHES
Factory setting
Note: for all following tables
The indication indicates that the DIP-switch is set in Position 1 (ON).
No indication is provided when the DIP-switch is set in Position 0 (OFF).
INPUT SIGNAL
1SW1 2 3
4 - 20 mA
2 - 10 Vdc
0 - 20 mA
0 - 10 Vdc
1 - 5 Vdc
0 - 5 Vdc
0 - 30 Vdc
0 - 15 Vdc
50-60 Hz MAINS FREQUENCY REJECTION
4SW1
50 Hz
60 Hz
INPUT FILTER (*)
5SW1
Absent
Present
INVERSION
6SW1
Absent
Present
(*) The filter increases the rejection of the disturbance to the mains frequency, and
stabilizes the reading reducing the measure noise. It is advised to hold it always
inserted, but that the maximum speed of answer is not demanded.
MI00096 -E3 ENGLISH - 5/8
OUTPUT SIGNAL
1SW2 2 3
Rated value Input Out-of-Range Limit 2,5 %±Input Out-of-Range Limit 5 %±
20 mA 20,5 mA 21 mA
4 mA 3,5 mA 3 mA
0 mA 0 mA 0 mA
30 Vdc 30,75 Vdc 31,5 Vdc
15 Vdc 15,375 Vdc 15,75 Vdc
10 Vdc 10,25 Vdc 10,5 Vdc
5 Vdc
1 Vdc
2 Vdc
0 Vdc
5,125 Vdc
0,875 Vdc
1,75 Vdc
0 Vdc
5,25 Vdc
0,75 Vdc
1,5 Vdc
0 Vdc
0 - 20 mA
4 - 20 mA
20 - 0 mA (5)
20 - 4 mA (5)
0 - 10 Vdc
0 - 5 Vdc
1 - 5 Vdc
2 - 10 Vdc
(5) These are inverse output ranges that are useful whenever the linearisation applied is
incompatible with the inversion of the input.
INPUT OUT-OF-RANGE
4SW2
2.5%
5%
The Out-of-Range Limits provided in the following table are applied to the input signal,
whereas the fixed limits are applied to the output signal: 0 - 21 mA, 0 - 5,25 Vdc, 0 -
10,5 Vdc.
Input Out-of-Range Limits
FUNCTION
7SW1 8
Default
None
SQRT
Tank
MI00096 -E3 ENGLISH - 6/8
8 mm
0,2..2,5 mm2
Electrical Connections
The module has been designed for spring-type terminal
electrical connections.
Proceed as follows to make the connections:
1 - Strip the cables by 0.8 mm
2 - Insert a screwdriver in the square hole and press it
until the cable lock spring opens.
3 - Insert the cable in the round hole.
4 - Remove the screwdriver and make sure that the cable
is tightly fastened in the terminal.
Power supply
There are various ways to provide the K Series
modules with power.
1 - Direct power supply to the modules by
connecting 24 Vdc power supply directly to
Terminals 7 ( + ) and 8 ( - ) of each module.
15
6
7
8
2
3
4
POWER
SUPPLY
OUTPUT
INPUT
19.2 - 30 Vdc
+
-
2 - Using the K-BUS connector accessory for the distribution of the power supply to the
modules via bus connector, in this way eliminating the need to connect power supply to
each module.
The bus can be supplied from any of the modules; the total absorption of the bus must be
less than 400 mA. Higher absorption values can damage the module. An appropriately
sized fuse must be connected in series to the power supply.
3 - Using the K-BUS connector accessory for the distribution of the power supply to the
modules via bus connector and the K-SUPPLY accessory for the connection of the power
supply.
The K-SUPPLY accessory is a 6.2 mm wide module that contains a set of protections
designed to protect the modules connected via bus against over-voltage loads.
The bus connector can be provided with power using the K-SUPPLY module if the total
absorption of the bus is less than 1.5 A. Higher absorption values can damage both the
module and the bus. An appropriately sized fuse must be connected in series to the power
supply.
MI00096 -E3 ENGLISH - 7/8
Input
The module accepts a current or voltage input signal.
The use of shield cables is recommended for the electronic connections.
Voltage input
Terminal 1: Voltage input up to 30 VDC (current carrying capacity 0 - 15 VDC and 0 -
30 VDC).
Terminal 2: Voltage input up to 10 V.
Terminal 4: Return
Current input
Terminal 3: Current input.
Terminal 4: Return
Output
Voltage connection - Current connection (applied current)
The use of shield cables is recommended for the electronic connections.
15
6
7
8
2
3
4
POWER
SUPPLY
OUTPUT
INPUT
V / I
+
-
15
6
7
8
2
3
4
POWER
SUPPLY
OUTPUT
INPUT
Voltage
max 30 Vdc
1
4
Voltage
max 10 Vdc
2
4
Current
3
4
V
V
++
mA
Note: in order to reduce the instrument's dissipation, we recommend either using the
output for voltage or guaranteeing a load of > 250 n
Ωto the curre t output.
MI00096 -E3 ENGLISH - 8/8
LED indications on the front
LED (Red) Meaning
Flashing
Steady light
Internal fault.
Note: in case of internal fault, the output will stay at null value.
Input or output out-of-range limiter device triggered or input
saturation.
Disposal of Electrical & Electronic Equipment (Applicable throughout the European Union and other
European countries with separate collection programs)
This symbol, found on your product or on its packaging, indicates that this product should not be treated as
household waste when you wish to dispose of it. Instead, it should be handed over to an applicable
collection point for the recycling of electrical and electronic equipment. By ensuring this product is
disposed of correctly, you will help prevent potential negative consequences to the environment and
human health, which could otherwise be caused by inappropriate disposal of this product. The recycling of
materials will help to conserve natural resources. For more detailed information about the recycling of this
product, please contact your local city office, waste disposal service or thè retail store where you
purchased this product.
SENECA s.r.l.
Via Austria, 26 - 35127 - PADOVA - ITALY
Tel. +39.049.8705355 - 8705359 - Fax +39.049.8706287
This document is property of SENECA srl. Duplication and reprodution are forbidden, if not authorized. Contents of the
present documentation refers to products and technologies described in it. All technical data contained in the document
may be modified without prior notice Content of this documentation is subject to periodical revision.
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