INT69 YF Motorschutzrelais

INT69 YF Diagnose EXTENDED

The solid all-round protective relay with a large number of sensor inputs for monitoring motor temperature, bearing temperature, leakage, vibration and voltage. The INT69 YF Diagnose EXTENDED differs from the STANDARD version because it provides an additional input for vibration measurement and a warning relay. Protective functions and behavior can be flexibly adjusted to the application through parameterization. The pump protection relays are particularly suitable for monitoring pumps, pump systems and submersible mixers in the water and wastewater industry.

Article number Power supply
20 A 701 P081 AC/DC 50/60 Hz 24 V
22 A 701 P081 AC 50/60 Hz 100 - 240 V

 

Product information

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The INT69 YF Diagnose is a universal and versatile protection relay. The following inputs and outputs are available for monitoring electrical components:

Terminals Inputs and outputs
L/L+, N/L- Supply voltage
T1, T2 Motor temperature (PTC, Pt100, Pt1000, bimetal)
T3, T4 Temperature 1 (PTC, Pt100, Pt1000)
T5, T6 Temperature 2 (PTC, Pt100, Pt1000)
E1+, E1- Leakage 1 (resistance measurement, switching input)
E2+, E2- Leakage 2 (resistance measurement, switching input)
I+, I- Analog input 0/4-20 mA
FE Functional ground
L1, L2, L3 Phase monitoring with phase sequence, phase failure, phase asymmetry, undervoltage and overvoltage
11, 14, 12 Alarm relay
21, 24, 22 Warning relay

Parametrization enables protection functions and response settings to be adapted flexibly to suit the application. The INT69 YF Diagnose saves operating and fault data in a nonvolatile memory. This data can be read out and evaluated for diagnostic purposes. Parameterization and diagnostics are possible via the built-in diagnostic port (DP) using the INTspector app and with separately available accessories. This protection relay device is used primarily for the protection of pumps and agitators.

 

Supply voltage

22 A 701 P081

20 A 701 P081 

 

100-240 V ~ 50/60 Hz 9 VA

24 V ~/⎓ 50/60 Hz 9 VA

Permissible ambient temperature T -30 °C ≤ Ta ≤ +70°C
Maximum usage height 2000 m

Temperature measuring circuit, bimetal

– Type 

– Contact suitable for

– Max. line length  

 

for an NC contact

24 V ⎓ 20 mA

30 m

PTC temperature measuring circuit

– Type 

– R25, total 

– RTriggering, static 

– RReset 

– Short circuit monitoring 

– Break monitoring

– Applied voltage

    – Motor temperature 

    – Temperature 1 

    – Temperature 2 

– Max. line length 

 

1-9 PTC sensors according to DIN VDE V 0898-1-401 in series

<1.8 kΩ

4.5 kΩ ±20%

2.75 kΩ ±20%

<20 Ω

>20 kΩ

 

24 V ⎓

5 V ⎓

5 V ⎓

30 m

Pt100 temperature measuring circuit

– Measuring range - 50… +300 °C

– Resolution 

– Accuracy

– Short circuit monitoring 

– Break monitoring

– Applied voltage

    – Motor temperature 

    – Temperature 1 

    – Temperature 2 

– Max. line length 

 

- 50… +300 °C

1 K

5% of measuring range final value

<20 Ω

>400 Ω

 

24 V ⎓

5 V ⎓

5 V ⎓

30 m

Pt1000 temperature measuring circuit

– Measuring range 

– Resolution 

– Accuracy

– Short circuit monitoring 

– Break monitoring

– Applied voltage

    – Motor temperature 

    – Temperature 1 

    – Temperature 2 

– Max. line length 

 

- 50… +300 °C

1 K

5% of measuring range final value

<20 Ω

>2.3 kΩ

 

24 V ⎓

5 V ⎓

5 V ⎓

30 m

Leakage measuring circuit

– Type 

– Measuring range 

– Resolution 

– Accuracy 

 

– Applied voltage 

– Max. line length 

 

Resistance measurement between electrode pairs

10 kΩ - 1 MΩ

1 kΩ

±10 % of full scale in measuring range 10 k - 100 kΩ

±25% of full scale in measuring range 101 k - 1 MΩ

Approx. 24 V ~

30 m

Switching input

– Type 

– Contact suitable for 

– Max. line length 

 

For a floating NC or NO contact (e.g., reset button)

24 V ⎓ 20 mA

30 m

Analog input

– Type 

– Applied voltage 

– Measuring range 

– Resolution 

– Accuracy 

– Current limitation 

– Max. line length 

 

0…20 mA / 4…20 mA current signal

24 V ⎓ +5 % / -25 %

0…20 mA

0.1 mA

2.5% of measuring range final value

30 mA, short-circuit-proof

30 m

Phase measurement

– Measuring range, phase-phase 

– Max. line length 

 

50/60 Hz ~, 100-690 V~ ±10 %

30 m

Interface Diagnostic port (DP)
Reset of lock or restart delay Network reset >5 s only possible once any errors have been rectified

Alarm/warning relay

– Contact 

– Mechanical service life 

 

240 V ~, 2.5 A C300 Min. 24 V ~/⎓ 20 mA

Approx. 1 million cycles

Degree of protection as per EN 60529 IP20

Connection type

– General 

 

Tension spring connection (push-in) 0.2-2.5 mm2

Housing material PA 66 GF 30
Fixing Control cabinet housing (basic grid 45 mm), clippable on to 35 mm standard rail as per EN 60715
Dimensions  See dimensions in mm

Weight

– 22 A 701 P081 

– 20 A 701 P081 

 

Ca. 300 g

Ca. 300 g

Test regulations 

EN 61000-6-2, EN 61000-6-3, EN 61010-1

Overvoltage category III (pay attention to temperature sensor insulation)

Degree of pollution 2

Approval  UL File No. E473026 cURus

 

Compare our products and find the right protection relay for pumps.

  INT69 PYF Diagnose
Premium
INT69 YF Diagnose
EXTENDED
INT69 YF Diagnose
STANDARD
INT69 F Diagnose BASIC INT69 EXF2 Diagnose BASIC EX
Motor temperature PTC, Pt100, Pt1000, bimetal PTC, Pt100, Pt1000, bimetal PTC, Pt100, Pt1000, bimetal PTC, Pt100, Pt1000, bimetal -
Temperature 1 PTC, Pt100, Pt1000 PTC, Pt100, Pt1000 PTC, Pt100, Pt1000 PTC, Pt100, Pt1000, bimetal PTC
Temperature 2 PTC, Pt100, Pt1000 PTC, Pt100, Pt1000 PTC, Pt100, Pt1000 - Bimetal
Leakage 1 Conductance measurement Conductance measurement,
switching input
Conductance measurement,
switching input
Conductance measurement Conductance measurement
Leakage 2 Switching input Conductance measurement,
switching input
Conductance measurement,
switching input
- -
Analog input 4-20mA 4-20mA - - -
Phase
monitoring
Phase failure, phase sequence,
phase asymmetry, undervoltage and overvoltage
Phase failure, phase sequence,
phase asymmetry, undervoltage and overvoltage
Phase failure, phase sequence,
phase asymmetry, undervoltage and overvoltage
Run detection Run detection
Current monitoring Current transformer - - - -
Power measurement Apparent, active and reactive power, Cosφ - - - -
Relay 1 Alarm Alarm Alarm Temperature Temperature
Relay2 Warning Warning Warning Leakage Leakage
Interface Diagnostic Port (DP)
Modbus RTU (RS485)
Diagnostic Port (DP) Diagnostic Port (DP) Diagnostic Port (DP) Diagnostic Port (DP)
Housing width 45mm 45mm 45mm 22.5mm 22.5mm
Reset function Network reset Network reset Network reset Reset button Reset button
Supply voltage
230V
22 A 721 P081 22 A  701 P081 22 A 700 P081 22 A 712 P081 22 A 713 P081
Supply voltage
24V
20 A 721 P081 20 A 701 P081 20 A 700 P081 20 A 712 P081 20 A 713 P081

Look at the monitoring modules, the options and examples of use of our pump protection relay.

Monitoring module Options Example of use
1x Motor temperature PTC, Pt100, Pt1000, Bimetal Motor temperature sensor
1x Temperature 1 PTC, Pt100, Pt1000 Bearing temperature, winding temperature, mechanical seal, etc.
1x Temperature 2 PTC, Pt100, Pt1000 Bearing temperature, winding temperature, mechanical seal, etc.
1x Leakage 1 Resistance below, exceed resistance Resistance measurement between leakage electrodes, resistance measurement from leakage electrode to pump housing
Switching input NO, switching input NC Float switch
1x Leakage 2 Resistance below, exceed resistance Resistance measurement between leakage electrodes, resistance measurement from leakage electrode to pump housing
Switching input NO, switching input NC Float switch
1x Analogue input 0 - 20 mA, 4 - 20 mA 2-wire sensors without own power supply: vibration sensor, pressure sensor, etc.
1x Phase monitoring Phase sequence, phase failure, phase asymmetry, undervoltage, overvoltage, run detection Measuring range phase-phase
1x Relays 1 Alarm Shutdown when exceeding limit value or when falling below limit value (e.g. motor temperature, temperature 1, temperature 2, leakage 1, etc.)
1x Relays 2 Warning Warning when exceeding limit value or when falling below limit value (e.g. motor temperature, temperature 1, temperature 2, leakage, etc.)
1x Interfaces Diagnostic Port (DP) Connection of a USB gateway (INT600 DU Gateway) or a Bluetooth gateway (INT600 DB Gateway) to use the INTspector App, 
Connection of Modbus gateway (INT600 DM Gateway) for retrieval of parameters and integration into the system control
1x Reset function Mains reset Resetting the interlocked shutdown as soon as there is no longer an error

The most frequently asked questions about the
INT69 YF Diagnose EXTENDED

Which functions does the INT69 YF Diagnose Standard offer?

The protection relay monitors temperatures (3x inputs for PTC, Pt100, Pt1000 or bimetal), leakage (2x inputs for conductivity measurement or switching input) and voltage. An alarm relay provides the necessary operational safety.

Which functions does the INT69 YF Diagnose Extended offer?

The INT69® YF Diagnose EXTENDED differs from the STANDARD version by an additional analog input (0/4-20mA) and a second relay for warnings.  

What do I need to parameterize and read out the diagnostic data?

You need an end device, such as a laptop, cell phone or tablet with the KRIWAN INTspector App installed and a KRIWAN USB or Bluetooth gateway to establish the connection between INT69 YF Diagnose and end device.

How do you recognize the current status (operating status)?

For quick and easy status indication and troubleshooting, a blink code is output via an LED on the front of the protective relay housing. This consists of a cyclic flashing sequence which can be looked up in the data sheet. 
For a more detailed view, the KRWIAN INTspector App is available. The diagnostic data provides an overview of the operating behaviour of your pump. Events, operating times, switching cycles and current measured values are displayed and help with detailed analysis on site. 

Which data is stored in the protection relay and for how long?

All events such as warnings, errors or messages are stored in a non-volatile internal memory and can be viewed via the INTspector App. The event memory contains the 20 most recent events with time and date. There are also counters for all events.

Is it possible to monitor AC motors (single-phase)?

No, the INT69 YF Diagnose is designed for monitoring three-phase motors.

What is the leakage input used for?

Submersible pumps and agitators, for example, are often already equipped by the manufacturer with moisture electrodes that can be monitored with the INT69 YF Diagnose at E-, E+. These have the function of monitoring against penetrating medium or dry running. For this purpose, the resistance (conductance) between the two electrodes is measured. Depending on the application, the operating mode must be set to resistance exceeding or resistance falling below.

Which options are available to do a reset?

There are several options, such as disconnecting the supply voltage >5s of the INT69 YF Diagnose (mains reset). Or by connecting an external reset button (normally open contact) to the switching input SC1, SC2.  The protection relay can only be switched back on after an interlocked switch-off after a reset has been done and if there is no longer an error.      

What are the functions of relays of the INT69 YF Diagnose?

The INT69 YF Diagnose has an alarm and a warning relay. If an error or warning is detected, the alarm or warning relay drops out. For each input, it is possible to parameterize the warning, set point and switch-off values, tripping and restarting delays or an interlocked switch-off. Both relays are always active as soon as an input is actively monitored. The two relays operate according to the closed-circuit current principle.                                                               

How is the KRIWAN protection relay integrated into the higher-level system control?

To integrate the KRIWAN protection relay into your control system, you need an INT600 DM Gateway that converts the pump operating data into a Modbus protocol (Modbus RTU).

What is included in the scope of delivery?

The packaging contains the respective protection relay (depending on the voltage variant AC/DC 24V or AC 100-240V) and the brief instructions. In addition, terminating resistors for Modbus communication are included in the scope of delivery. The INT185 Current Transformer with a measuring range of up to 100A and up to 250A is not included in the scope of delivery and must be ordered separately.

What is the factory setting (default) of the KRIWAN protection relay?

All KRIWAN pump protection relays are delivered with a factory setting. The one for the INT69 YF Diagnose can be found on the product page in the download area as a parameter list. The parameterization can be individually adapted to your application during installation and commissioning using the KRIWAN INTspector App.

Who can I contact if I have any questions?

We are happy to help you with your questions. Simply use the contact form on our homepage and send us a request. Our customer support will get in touch with you.

Accessories

Find the right accessories for our products.

Modbus-Gateways

Connect your KRIWAN diagnostic devices via Modbus gateway

Learn more

USB-Gateway

Connect your KRIWAN diagnostic devices to the INTspector app via USB gateway

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Bluetooth-Gateway

Connect your KRIWAN diagnostic devices to the INTspector app via Bluetooth gateway

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DP cable

For the right connection between your protection device and the gateway

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INTspector App

For parameterizing your device and reading out all important data

Learn more

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INT69 F Diagnose BASIC

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You have further questions? Our experts will be pleased to advise you!

Mathias Stratyla

Market Manager

+49 (0) 79 47 - 8 22 - 0
sales@kriwan.de