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noAt
Auto-tuning not finished
within 12 hours
Loop control interrupted
LbA
(Loop break alarm)
Possible anomaly of the
ErEP
EEPROM memory
In error conditions, the instrument provides an output power as
programmed on par. "OPE" and activates the desired alarms, if the
relative parameters "ALni" have been programmed = yES.
6.2 - CLEANING
We recommend cleaning of the instrument with a slightly wet cloth
using water and not abrasive cleaners or solvents which may
damage the instrument.
6.3 - GUARANTEE AND REPAIRS
The instrument is under warranty against manufacturing flaws or
faulty material, that are found within 12 months from delivery date.
The guarantee is limited to repairs or to the replacement of the
instrument. The eventual opening of the housing, the violation of
the instrument or the improper use and installation of the product
will bring about the immediate withdrawal of the warranty's effects.
In the event of a faulty instrument, either within the period of
warranty, or further to its expiry, please contact our sales
department to obtain authorisation for sending the instrument to
our
company.
The
faulty
TECNOLOGIC with a detailed description of the faults found,
without any fees or charge for Tecnologic, except in the event of
alternative agreements.
7 - TECHNICAL DATA
7.1 - ELECTRICAL DATA
Power supply: 12 VAC/VDC +/- 10%
Frequency AC: 50/60 Hz
Power consumption: 4 VA approx.
Input/s: 2 inputs for temperature probes PTC KTY 81-121 (990 Ω
@ 25 °C); NTC 103AT-2 (10KΩ @ 25 °C); 2 digital inputs for free
voltage contacts.
Output/s: Up to 4 outputs.
2 SPDT and 2 SPST-NO (8 A-AC1, 3 A-AC3 / 250 VAC) ; or in
tension to drive SSR (10mA/ 10VDC).
Electrical life for relay outputs: 100000 operat.
Installation category: II
Measurement category: I
Protection class against electric shock: Class II for Front panel
Insulation: Reinforced insulation between the low voltage section
(relay outputs) and the front panel; Reinforced insulation between
the low voltage section (relay outputs) and the extra low voltage
section (inputs,
SSR outputs); No insulation between supply,
inputs and SSR outputs; 50 V insulation between RS485 and extra
low voltage section.
.2 – MECHANICAL DATA
Housing: Self-extinguishing plastic, UL 94 V0
Dimensions: 78 x 35 mm, depth 64 mm
Weight: 150 g approx.
Mounting: Flush in panel in 71 x 29 mm hole
Connections: 2,5 mm
2
screw terminals block
Degree of front panel protection : IP 65 mounted in panel with
gasket
Pollution situation: 2
Operating temperature: 0 ... 50 °C
Operating humidity: 30 ... 95 RH% without condensation
Storage temperature: -10 ... +60 °C
TECNOLOGIC spa - TLK 31 D - OPERATING INSTRUCTIONS - Vr. 02 - ISTR-MTLK31DENG2 - PAG. 13
Check the functioning of
probe and actuator and
try
to
repeat
auto-tuning.
Check the working of
probe and actuator and
swap the instrument to
(rEG) control
Push key "P"
product
must
be
shipped
7.3 – MECHANICAL DIMENSIONS, PANEL CUT-OUT AND
MOUNTING [mm]
the
78
TLK 31 D
AT
ST
Out1 Out2
-
=
+
Out3
Out4
71
to
7.4 - FUNCTIONAL FEATURES
Control: ON/OFF, Neutral zon, single and double action PID
Measurement range: according to the used probe (see range table)
Display resolution: according to the probe used 1/0,1/0,01/0,001
Overall accuracy: +/- (0,5 % fs + 1 digit)
Sampling rate: 130 ms.
Serial Interface : RS485 insulated
Communication protocol: MODBUS RTU (JBUS)
Baud rate: Programmable from 1200 ... 38400 baud
Display: 4 Digit Red h 12 mm
Compliance: ECC directive EMC 2004/108/CE (EN 61326), ECC
directive LV 2006/95/CE (EN 61010-1)
7.5 - MEASURING RANGE TABLE
INPUT
PTC (KTY81-121)
"SEnS" = Ptc
NTC (103-AT2)
"SEnS" = ntc
7.6 - INSTRUMENT ORDERING CODE
TLK31 a b c d e f g hh D
a : INPUTS
T = thermistors (PTC, NTC)
5,5
64
min. 15 mm
RECOMMENDED
PANEL CUTOUT
BRACKETS
"dP" = 0
-55 ... 150 °C
-55.0 ... 150.0 °C
-67 ... 302 °F
-67.0 ...302.0 °F
-50 ... 110 °C
-50.0 ... 110.0 °C
-58 ... 230 °F
-58.0 ... 230.0 °F
11,5
34
"dP"= 1
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