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Industrial Automation

Industrial Automation

Discontinued On Mar. 2015

K7L-UP-FLK

Liquid Leakage Position Sensor

K7L-UP-FLK

Pinpoint Liquid Leakage Detection at Up to 600 m. Easy Setup and Installation.

* Information in this page is a reference that you created on the basis of information in the product catalog before the end of production, may be different from the current situation, such as goods for / supported standards options / price / features of the product. Before using, please check the compatibility and safety system.

Ratings

Model K7L-UP-FLK
Power supply voltage 100 to 240 VAC 50/60 Hz
Allowable voltage fluctuation range Rated voltage 85 to 110 % (85 to 264 VAC)
Power consumption 10 VA max. (at maximum load)
Detection method Inductive method
Operate resistance 50 k, 100 kΩ (selectable) Must operate below each sensitivity setting. *
Release resistance 350 kΩ min.
Current when electrodes
are shorted
2 mA/AC max.
Wiring length 600 m max. (total of Sensing Cable, Connecting Cable, Junction Cable, Area
Separator and general-purpose cable)
This value is for completely insulated 600-V 3-conductor VCT cable of with a
thickness of 0.75 mm2. No more than 10 Junction Cables can be used.
Area Separators are calculated as 10 m each.
Disconnection
detection
function
Detection signal 10 VDC
Detection time 45 s max.
Recovery After normal wiring
Output Relay output NO contacts × 2 outputs (leakage, disconnection, error output, and alarm
output)
Rated load: 3A 250 VAC/30 VDC
Resistive load: 3A 250 VAC/30 VDC
Inductive load: 1A 250 VAC/30 VDC
Service life: Mechanical: 20 million outputs, Electrical: 80,000 outputs
Failure rate P value: 24 VDC at 5 mA (reference value)
Contact resistance: 100 mΩ max. (default)
4 to 20-mA output Allowable load resistance: 500 Ω max.
Resolution: Approx. 10,000
Error: ± 1 %FS
Steady state: 4 mA
At error detection: 5 mA
At disconnection detection: 20 mA
At leakage detection: 6 + 12 × Leakage locations (m)/L (m) mA, L: Set
distance (default: 600 m)
Other functions Shift, compensation, Area setting, Output setting, Output reset, Output test,
Event log, Key protection, and Backlight ON-time setting
Ambient
temperature
Operating -10 to 55 °C (no icing or condensation)
Storage -25 to 65 °C (no icing or condensation)
Ambient
humidity
Operating 25 to 85 %RH (no condensation)
Storage 25 to 85 %RH (no condensation)
Altitude 2000 m max.
External color Controller: Ivory
Mounting method Surface mounting, DIN track mounting
Terminal block Single-line terminal block (Use ferrules.)
Terminal block tightening torque 0.5 to 0.6 Nm
Degree of protection IP20 (Panel-mounted)
Accessories Connecting Cable, Terminator, Instruction manual

* This product may not meet the performance that is described in catalog depending on liquid type that is detected.
   Please make sure to check and test before to buy it.

Detectable chemical

Type Name Another Name Chemical formula
Alcohol Methanol Methyl Alcohol CH3OH
Acid Hydrochloric Acid --- HCI
Sulfuric Acid H2SO4
Nitric Acid HNO3
Acetic Acid 98% CH3COOH
Phosphoric Acid H3PO4
Hydrofluoric Acid HF
Alkali Ammonia Solution 28% Ammonia Solution NH3
Sodium Hydroxide Caustic Soda NaOH
Potassium Hydroxide Caustic Potash KOH
Other Sodium Hypochlorite --- NaClO
Sodium Hydrogen Sulfite Sodium Bisulfite NaHSO3
Hydrogen Peroxide Hydrogen Peroxide 30% H2O2

Performance

Model K7L-UP-FLK
Leakage location accuracy *
(at an ambient temperature
of 25 °C)
Total length
100 m max. ± 1 m
101 to 600 m ± 1 %
Response time 45 s max.
Startup time after power is turned ON: approx. 30 s
Display LCD, 12 columns × 4 lines (characters) with backlight
Normal: Lit green
Error: Flashing green
Leakage detected: Lit red
Disconnection detected: Flashing red
Insulation resistance 20 MΩ max. (at 500 MVDC)
Measured locations: Between all pairs of (1), (2), and (3), below.
(1) Power supply terminals, (2) Relay output terminals, (3) All terminals together
excluding (1) and (2)
Dielectric strength 2,000 VAC 50/60 Hz 1 min.
Measured locations: Same as for insulation resistance.
Vibration resistance Frequency: 10 to 55 Hz, Acceleration: 50 m/s2, Single amplitude: 0.35 mm, 10
sweeps of 5 min each in X, Y, and Z directions
Shock resistance 130 m/s2, 3 times each for 3 axes in six directions
Weight (Sensor only) Approx. 185 g
Memory protection EEPROM (non-volatile memory)
Installation environment Installation Category II, Pollution Degree 2
Safety standards UL508, CAN/CSA-C22.2 No.14
EN61010-1 (IEC61010-1)
EMC EMI
EN61326-1
(Industrial applications)
Electromagnetic radiation interference: CISPR11 classA
Noise terminal voltage: CISPR11 classA
EMS
EN61326-1
(Industrial applications)
Electrostatic discharge immunity: EN61000-4-2: 4 kV (contact), 8 kV (in air)
Radiated electromagnetic field immunity: EN61000-4-3: 10 V/m (80 MHz to 1 GHz),
3 V/m (1.4 to 2 GHz), 1 V/m (2.0 to 2.7 GHz)
Fast transient/burst immunity: EN61000-4-4: 2 kV (power line), 1 kV (I/O signal
lines)
Surge immunity: EN61000-4-5: 1 kV between lines (power line), 2 kV between
grounds (power line), 1 kV between grounds (sensor line)
Conducted noise immunity: EN61000-4-6: 3V (0.15 to 80 MHz)
Power frequency magnetic immunity: EN61000-4-8: 30A/m
Voltage dip and interruption immunity: EN61000-4-11: 1 cycle 0% (rated voltage),
10/12 cycle 40% (rated voltage), 25/30 cycle 70% (rated voltage)

* This leakage position accuracy is for main unit (K7L-UP). Sensing cable also has errors separate from the accuracy
    described.

Communications Performance

Communications protocol CompoWay/F Modbus (RTU mode)
Transmission path connections Multi-point (32 nodes max. including Master)
Communications method RS-485 (two-wire method, half-duplex)
Synchronization method Start-stop synchronization
Baud rate * 4800/9600/19200/38400 bps
Transmission code ASCII Binary
Data length * 7/8 bits 8 bits
Stop bit length * 1/2 bits Set automatically (no setting) depending on the
vertical parity setting.
Without vertical parity: 2 bit
With vertical parity: 1 bit
Error detection Vertical parity (none, even odd)
BCC (Block Check Character)
Vertical parity (none, even odd)
CRC-16 (Cyclical Redundancy Check)
Wait time 00 to 99 ms (Default: 20 ms)

* Baud rate, data length, stop bit length and vertical parity can be separately set.