TILLQUIST P20 Manuel utilisateur
1
TRANSDUCER
of TEMPERATURE
and STANDARD
SIGNALS
P20 type
USER’S MANUAL
2
3
Contents
1. APPLICATION .......................................................................................... 5
2. TRANSDUCER SET .................................................................................. 5
3. OPERATIONAL SAFETY ........................................................................... 6
4. INSTALLATION ........................................................................................ 7
4.1. Fitting way .............................................................................7
4.2. External electrical connection diagrams ..............................8
5. TRANSDUCER CONFIGURATION BY MEANS
OF THE LPCon PROGRAM ....................................................................... 9
5.1. Configuration of the transducer input type .........................10
5.2. Configuration of the individual analog
output characteristic ...........................................................11
5.3. Configuration of the analog output at overflows .................12
5.4. Readout of the measured value ..........................................13
6. TECHNICAL DATA .................................................................................. 15
7. EXECUTION CODES ............................................................................... 17
8. MAINTENANCE AND GUARANTEE ......................................................... 19
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1. APPLICATION
The P20 programmable transducer is designed to convert temperature,
resistance, voltage from a shunt and standard signals into a constant-
current or constant-voltage standard signal.
The output signal is galvanicaly isolated from the input signal and
supply.
The transducer compensates automatically the resistance of wires in
case of resistance value measurements in a three-wire system and au-
tomatically compensates the temperature of terminals in case of mea-
surements from thermocouples.
The transducer is fully configurable through the PD14 programmer. By
means of this programmer, one can change the input type, the measu-
rement averaging time and rescale the analog output acc. to the indivi-
dual output characteristic, and also read out the measured value.
2. TRANSDUCER SET
The set of the P20 transducer is composed of:
- P20 transducer 1 pc.
- User’s manual 1 pc.
- Guarantee card 1 pc
- Plug with screw terminals 2 pcs.
- Hole plug of the programmer socket 1 pc
When unpacking the transducer, please check whether the type and
execution code on the data plate correspond to the order.
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3. OPERATIONAL SAFETY
In the safety service scope, the transducer meets to requirements of the
EN 61010-1 standard.
Observations concerning the operational safety
lAll operations concerning transport, installation, and commissioning
as well as maintenance, must be carried out by qualified, skilled
personnel, and national regulations for the prevention of accidents
must be observed.
lBefore switching transducer on, one must check the correctness
of connections to the network.
lWhen connecting the supply, one must remember that a switch or
a circuit-breaker should be installed in the building. This switch
should be located near the device, easy accessible by the
operator, and suitably marked as an element switching the
transducer off.
lDo not connect the transducer to the network through
an autotransformer.
lBefore removing the transducer housing, one must switch the
supply off and disconnect measuring circuits.
lThe removal of the transducer housing during the guarantee
contract period may cause its cancellation.
lThe programmer socket is only use to connect the PD14
programmer. After the transducer programming, one must
insert the hole plug.
lNon-authorized removal of the housing, inappropriate use, incorrect
installation or operation, creates the risk of injury to personnel
or a transducer damage.
For more detailed information, please study the User’s Manual.
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4. INSTALLATION
4.1. Fitting way
P20 transducers are designed to be mounted on a 35 mm rail accor-
ding to EN 60715.
The transducer housing is made of a self-extinguishing plastic.
Housing dimensions are: 22.5 x 120 x 100 mm.
On the transducer outside, there are screw or self-locking terminal strips,
which make possible the connection of external wires with a 2.5 mm2
cross-section (supply and output) and up to 1.5 mm2(input).
Connector
of the PD14
programmer
Fig. 1. Overall dimensions and fitting way of the transducer
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RTD in a three-wire
system
RTD in a two-wire
system or resistance
measurement
TC or voltage
- 60... 60 mV
0... 60 mV
-150... 150 mV
0... 150 mV
Current
-20... 20 mA
0... 20 mA
4... 20 mA
Voltage
- 10... 10 V
0... 10 V
0... 5 V
4.2. External electrical connection diagrams
The transducer has two sockets of terminal strips, which two plugs with
terminal screws are connected to. The way to connect external signals
is shown on the fig.1
The electrical connection diagram is also situated on the transducer
housing. In case of the transducer work in an environment with high
interferences, one must apply shielded wires in the transducer input.
Fig.2. Electrical connection diagrams of the P20 transducer.
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5. Transducer conguration by means of the
LPCon program
The LPCon program is destined for the P20 transducer configuration.
One must connect the PC computer through the PD14 programmer and
configure the connection choosing Option -> Connection configura-
tion from the menu (for the P20 transducer, we choose the address 1,
baud rate 9600 kb/s, the mode RTU 8N2 and the appropriate port COM
under which the controller of the PD14 programmer has been installed).
Fig. 3. Configuration of the connection with the P20 transducer.
After the connection configuration, one must choose Device -> Trans-
ducers P -> P20 from the menu, and next click the Readout icon in
order to read out all parameters. One can also read out parameters
individually in each group clicking the Refresh push-button.
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5.1. Configuration of the transducer input type
Three developable lists are accessible in the parameter group “Input
configuration”, by means of which, one can choose the input type, the
measuring range and the measurement averaging time. One must con-
firm changes, clicking the Apply push-button.
Fig. 4. View of the LPCon program window “Input configuration”
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