Description - Tecno Control TS293IM Manuel D'utilisation

IST-293.IM01.01/B
"ZERO ADJUST" (Zero Code: F2, F1, F1, F2): this function is to adjust the Zero sensor and can be done only after
about 4 hours of continuous operation in clean air only ( environment without the presence of gas or other pollutants ). Consid-
er that the TS293I has a sophisticated follower of zero, that every hour will reset the sensor, if of course there is the
presence of gas. If necessary, perform this operation after installation or after changing the " Cartridge " or every 6-12
months depending on environmental conditions. After entering the " Zero Code " as confirmation of the operation,
there will be a flashing red LED and output becomes 4.0 mA.
Note: This function is not working if mA output is more than 5,6mA (10% LEL) and/or red or yellow LED is already
been switched on. In this case, it will be necessary to recalibrate the unit and/or replacing the "Cartridge".
"CALIBRATION" (Calibration Code: F2, F2, F2, F1, F2, F1): this function allows completely recalibrate the sensor
using the gas mixture indicated above.
Warning: to guarantee that no errors of elaboration happen, the possibility exists that during the Calibration the
yellow LED switch off every 8 seconds (the system cannot read the sensor cartridge data), in this case interrupt the proce-
dure, switch off and witch on the instrument and repeat the Calibration. If condition persists it will be necessary to
replacing the sensor cartridge or send the detector to the supplier for the reparation
Important note: During Calibration routine the mA output indicates 0mA.
The "Calibration" can be done only after about 4 hours of continuous operation, in clean air only (environment without
the presence of flammable gases). With the keys perform the "Calibration Code". Wait until the yellow and green LED
switch on fix and the red LED starts to flash. Insert the TC011 (or the TC014) on the sensor holder and adjust the gas
flow so that the flow meter indicates around from 0.3 to 0.5 l/mins
LED lights (and while it is ON), press the key F2 and hold it pressed until the red LED is switched off for at least 2 sec-
onds (but if the red LED continues to blink more than 6-7 minutes means that the gas flow is not constant or insuffi-
cient, or the concentration is not as required, Press F1 and F2 together to exit calibration. Then, close the gas cyl-
inder and remove TC011 (or the TC014). At this point we can have two possibilities:
Yellow and green LED illuminates: the calibration routine is correct. Wait 8 seconds, until the instrument auto-
matically restores the normal working conditions.
Yellow LED illuminates: the routine has failed. Wait 8 seconds, the device returns to read the sensor data car-
tridge with a flashing red LED, up to the stability, so it is ready for a new calibration attempt. Repeat the "Calibration"
by pressing F2. If the error condition persists, try to turn off and turn on the unit, or replace the "Cartridge Sensor".
NOTE: It is possible to exit at any time from the calibration function by pressing the F1 and F2 keys, in this way the
system returns to normal operation.
"CALIBRATION CHECK" (no Code required): using the gas mixture indicated above ( according to the model ), this al-
lows you to check the correct response to the gas and can be performed after " Calibration " or the installation.
Checks should be performed during periodic maintenance, as it is the only method to verify the effective operation
of the detector.
Insert the TC011 (or the TC014) over the sensor holder, adjust the sample gas bottle valve as the flow meter indi-
cates around from 0.3 to 0.5 l/mins
fig.2) the value reach the mV value (± tolerance) as shown in
tolerance) as indicated in
in column 5]. Note: if the result is different, is necessary to recalibrate the sensor
gas bottle; remove TC011 (or the TC014). Then, the mA output will slowly decrease up to 4mA.
Example: if you have to verify a TS293IG (PLG detector), using a cylinder with Butane at 0.7% volume (=50%
LEL) in air, the mA output will be approximately 12 mA (±0.8mA) (corresponding value from 112 to 128mV meas-
ured on "TP1 and TP2").
Example: if you have to check a TS293IX, calibrated to detect Heptane, using a cylinder with Butane at 0.7% vol-
ume (= 50% LEL) in air, the mA output should be about 192 mA (± 0.8 mA) (i.e. a value from 184 to 200 mV meas-
ured on "TP1 and TP2"). Because, the sensor response to the Heptane, has a K coefficient, related to the calibration
performed with Butane. Then, the sensor reads the value of Butane, which must be multiplied by its K = 1, 9 to ob-
tain the corresponding value in Heptane. (i.e., 50 (% LIE Butane) X 1.9 (K of heptane) = 95).
FR

DESCRIPTION

Le TS293I est une sonde à transmetteur (4÷20mA) pour gaz et vapeurs combustibles équipée d'un capteur "Infra-
rouge" (NDIR – Nondispersive Infrared Sensor), utilisée en systèmes centralisés d'alarme pour l'industrie et le tertiaire.
La sonde est constituée par un boîtier antidéflagrant contenant le circuit électronique et les borniers de raccorde-
ment. Dans la tête porte-capteur, située dans la partie inférieure du boîtier, est logée la "Cartouche-capteur échan-
geable " contenant le capteur lui-même accompagné de ses données identificatrices et de calibration.
Le TS293I est une sonde à transmetteur sur 3 fils avec un signal de sortie S 4÷20 mA avec fond d'échelle en %
de la LIE (Limite Inférieure d'Explosivité), du gaz mesuré
d'alarmes mono et multivoies Tecnocontrol. Sur la carte de circuit imprimé, se trouvent les touches de codage F1
et F2 pour les opérations de vérification et calibrage et 3 Led indiquant les conditions de fonctionnement:
Signalisations et commandes:
Led rouge "ALARM":
Led verte "ON":
Led jaune "FAULT":
Touches F1 et F2
TECNOCONTROL S.r.l. - Via Miglioli 47 SEGRATE ( MI )ITALY
Istruzione / User's Manual / Manuel d'utilisation
(see Fig.3). Verify with a voltmeter connected to the Test-Point "TP1 and TP2",
column 4. The control unit should be display about the %LEL value (± tolerance) as indicated
signal d'alarme ALARM (20%LIE).
fonctionnement normal.
capteur en panne ou déconnecté ou saturé ou échu.
pour les opérations de vérification et calibrage
(see Fig.3). Wait around 4 minutes, until the red
Table 4 on column 3 [corresponding to mA output value (±
(Tableau 3) Il s'utilise en se raccordant sur les centrales
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Pag.7/12
(see "Calibration"). Then, close the
(see