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Condition Monitoring Device - K6CM

Mã sản phẩm: K6CM
Tình trạng: Có hàng

Quantifying the status of a three-phase induction motor and pump. The alarm output threshold default is set. You can customize the value according to the site. As for comprehensive current diagnosis, the degradation can be detected comprehensively by combining each motor part and the load side. The insulation resistance of the three-phase induction motor and pump can be measured with current flowing (the secondary side leakage current of the inverter can also be detected).

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No need for time-consuming patrol inspection or expertise.

K6CM informs you of the motor's maintenance timing.

[Problems]

It's difficult to prevent motor issues caused by degradation.

 

The conventional motor condition check had several check items. Therefore a skilled maintenance engineer was required to judge the motor's maintenance timing. Additionally, inspection was time-consuming because there were many motors.

Example of patrol inspection items

 

K6CM Features 5

Motor failure mode

 

K6CM Features 6

[Solution from OMRON]

Motors can be maintained in advance of failure due to degradation.

 

K6CM (comprehensive current diagnosis type) can consistently monitor motor conditions by observing the current waveform of the motor. 
Additionally, you can understand the motor's maintenance timing without depending on an engineer, because K6CM provides threshold value setting.

What is comprehensive current diagnosis?

 

K6CM Features 9

When an abnormality occurs in the load such as bearing, rotary shaft, or reducer, the motor does not rotate smoothly and a distortion occurs in its current waveform. 
K6CM measures its distortion as a degradation level.

With a factory floor signal light

 

K6CM Features 10

With an office PC

 

With the accessory software "Motor Condition Monitoring Tool", you can monitor motor conditions remotely. 
* The screen is a sample image.

K6CM Features 11
K6CM Features 12

Monitors the 3-phase induction motor which is the driving force of every facility.

 


Ratings

 

Power 
Supply
Power supply voltage K6CM-[][]MA: 100 to 240 VAC, 50/60 Hz 
K6CM-[][]MD: 24 VAC, 50/60 Hz, 24 VDC
Allowable operating voltage range 85% to 110% of power supply voltage
Power supply frequency range 45 to 65 Hz
Power consumption K6CM-VBM[] 
24 VAC/24 VDC: 3.8 VA/2.1 W max. 
100 to 240 VAC: 7.1 VA max. 
K6CM-ISM[] 
24 VAC/24 VDC: 3.7 VA/2.0 W max. 
100 to 240 VAC: 6.2 VA max. 
K6CM-CIM[] 
24 VAC/24 VDC: 3.1 VA/1.6 W max. 
100 to 240 VAC: 6.0 VA max.
Input Vibrations 
(vibration sensor)
Detection 
frequency
10 Hz to 10 kHz
Max. operating 
acceleration
10 G
Insulation 
resistance 
(ZCT (IRT))
Rated input 
voltage
(Line voltage) 200 to 480 VAC, 50 Hz/60 Hz
Rated path 
current
300 AAC
Current, 
comprehensive 
current diagnosis 
(CT)
Rated input 
current
5 A, 25 A, 100 A, 200 A, 400 A, 600 A
Applicable motor type Three-phase induction motor (Rated voltage 480 V or less)
Outputs Output relays Transistor output (N.C. contact)
Output relays 3-point
Output rating Rated voltage: 24 VDC 
Max. current: 50 mA, DC
Ambient operating temperature -10 to +55°C (with no condensation or icing)
Storage temperature -20 to +65°C (with no condensation or icing)
Ambient operating humidity 25% to 85% RH (with no condensation)
Storage humidity 25% to 85% RH (with no condensation)
Case color Black
Case material Polycarbonate UL94-V0
Altitude 2,000 m max.
Applicable wires Stranded wires, solid wires, or ferrules
Applicable wire size 0.25 to 1.5 mm2 (AWG24 to 16)
Wire insertion force 8 N max. (AWG20)
Screwdriver insertion force 15 N max.
Wire stripping length 8 mm
Recommended flat-blade screwdriver XW4Z-00B (Omron)
Current capacity 10 A (per pole)
Number of insertions 50 times
Weight Approx. 200 g
Mounting Mounts to DIN Track 
screw mounting
Dimensions 45 (W) × 90 (H) × 90 (D) mm
Setting method Communication settings from a dedicated tool via EtherNet/IP
Other functions Display value selection, self-diagnosis error output, setting value 
initialization, operation integration
Accessories Operation manual, CD-ROM (Motor condition monitoring Tool)

 

Characteristics

 

Measurement 
range
K6CM-VB Acceleration: Up to 9.99 G, Velocity: Up to 45 mm/s, 
Motor temperature: 0 to 80°C, Differential temperature: 0 to 80°C
K6CM-IS Insulation resistance: 0.000 M to 1.000 MΩ, 
Leakage current: 0.00 mA to 200.0 mA
K6CM-CI Current 
Rating 5 A: 1.00 to 5.00 A 
Rating 25 A: 5.0 to 25.0 A 
Rating 100 A: 20.0 to 100.0 A 
Rating 200 A: 40.0 to 200.0 A 
Rating 400 A: 80.0 to 400.0 A 
Rating 600 A: 120.0 to 600.0 A 
Rated frequency: 20 to 80 Hz 

Degradation level: 0 to 999 
Recommended frequency: 20 to 80 Hz *3
Measurement 
absolute 
accuracy
K6CM-VB Acceleration ±3 dB±2 digit (at 25°C)
Temperature Motor temperature: ±3°C±2 digit (±6°F±2 digit) 
Temperature Gap: ±6°C±2 digit (±12°F±2 digit)
K6CM-IS Insulation 
resistance
±35% rdg±2 digit (when the insulation resistance is 0.2 MΩ max.), when 
a 200-V/7.5-kW max. motor is used *1 
±35% rdg±2 digit (when the insulation resistance is 0.4 MΩ max.), when 
a 400-V/7.5-kW max. motor is used *1
K6CM-CI Current ±1.0% FS±1 digit (at 10 to 30°C, CT variation is not included) *4
Sampling cycle K6CM-VB Acceleration: 50 ms, Velocity: 0.5 s, Temperature: 0.5 s
K6CM-IS Normal mode: 10 s, Inverter special measurement mode: 60 s
K6CM-CI Comprehensive current diagnosis: 5 s, Current: 5 s
Moving average frequency 1, 2, 4, 8, 16, 32 times
External trigger 
(Excluding 
K6CM-IS)
External contact input 
specification
Short-circuit: Residual voltage 1.5 V max. 
Open: Leakage current 0.1 mA max.
Current during short- 
circuiting
Approx. 7 mA
Transistor output Contact configuration: NPN open collector (normal close) 
Rated voltage: 24 VDC (maximum voltage: 26.4 VDC) 
Max. current: 50 mA, DC
Alarm Parameters that can be 
output
K6CM-VB: Acceleration, Velocity, motor temperature, Temperature Gap 
K6CM-IS: Insulation resistance 
K6CM-CI: Degradation level, current
Expression method Transistor output, alarm bar
Setting value Same as the measurement range
Hysteresis 10% width of setting value
Reset method Manual reset/automatic reset (switchable) 
* Manual return method: Press the ALMRST button
LCD display 7-Segment digital display and single-shot display 
Font height 14 mm
Applicable 
standards
Conforming standards EN61010-2-030 
Installation environment: Pollution degree 2, overvoltage category II, 
measurement category II
EMC EN61326-1(EMI: Class A EMS: Industrial Location) 
Acceleration ± 0.1G, Velocity ±2.25mm/s, Temperature ± 6°C, 
insulation resistance ± 35% rdg, current ± 10% F.S.
Safety standards UL61010-2-030 (listing) 
Korean Radio Waves Act (Act 10564) 
RCM 
EAC
Insulation resistance 20 MΩ min. 
Between all external terminals and the case 
Between all power supply terminals and all other terminals 
Between all sensor connection terminals and trigger input terminal + 
output terminal + all EtherNet/IP ports
Dielectric strength 2,000 VAC for 1 minute 
Between all external terminals and the case 
Between all power supply terminals and all other terminals 
Between all sensor connection terminals and trigger input terminal + 
output terminal + all EtherNet/IP ports
Vibration resistance Vibration frequency 10 to 55 Hz, slice amplitude 0.35 mm in each of X, Y, 
Z directions 5 minute × 10
Shock resistance 100 m/s2, 3 times each in 6 directions along 3 axes
Degree of protection IP20
LED display Alarm bar Red/Yellow/Green
MS, NS *2 Red/Green
Ethernet 
communication
Number of ports 1
Physical layer Ethernet: Connector RJ45
Type 100BASE-TX
Transmission distance 
(Maximum cable length)
100 m (Between hub and node)
Topology Star type

 

*1. For details, refer to the technical data on Data Sheet. 
*2.MS: Product status display, NS: Network status display. 
*3. When used at a frequency higher than 80 Hz, the tendency toward motor degradation is less noticeable. 
*4. For the frequency characteristics of the CT, refer to the technical data on Data Sheet.

Input part

Vibration & temperature sensor

Ratings

 

Model K6CM-VBS1
Power supply voltage Supplied from K6CM-VBM
Sensor head Max. acceleration 10 G
Ambient operating temperature Pre-amplifier: -10 to +55°C (with no condensation or icing) 
Sensor head: -10 to +80°C (with no condensation or icing)
Storage temperature Pre-amplifier: -20 to +65°C (with no condensation or icing) 
Sensor head: -20 to +90°C (with no condensation or icing)
Ambient operating humidity 25% to 85% RH (with no condensation)
Storage humidity 25% to 85% RH (with no condensation)
Altitude 2,000 m max.
Case color Pre-amplifier: Black 
Sensor head: Silver
Case material Pre-amplifier: Polycarbonate UL94-V0 
Sensor head: Aluminum alloy (ADC12) / Zinc die casting (ZDC2) (the threaded part 
is Steel (S45C))
Weight Pre-amplifier: Approx. 210 g (including cables) 
Sensor head: Approx. 40 g (including cables)
Mounting Pre-amplifier: DIN rail mounting, screw mounting 
Sensor head: Screw mounting 
Between pre-amplifier and sensor head: Connector connection (smart click 
connector)
Wire length Between pre-amplifier and sensor head: 2.6 m+0.3 m (cannot be extended) 
Between pre-amplifier and main unit: 1 m Can be extended up to a maximum length 
of 100 m

 

Characteristics

 

Model K6CM-VBS1
Measurement range Specified in main unit “Characteristics”
Applicable 
standards
Conforming 
standards
EN 61010-2-030 
Installation environment: Pollution degree 2, overvoltage category II, measurement 
category II
EMC EN 61326-1 (EMI: Class A EMS: Industrial Location)
Safety standards UL 61010-2-030 (listing) 
RCM 
EAC
Insulation resistance 20 MΩ min.
Dielectric strength 500 VAC for one minute
Vibration 
resistance
Pre-amplifier Vibration frequency 10 to 55 Hz, slice amplitude 0.35 mm in each of X, Y, Z directions 
5 minute × 10
Sensor head Vibration frequency 10 to 55 Hz, slice amplitude 0.35 mm in each of X, Y, Z directions 
5 minute × 10
Shock 
resistance
Pre-amplifier 100 m/s2, 3 times each in 6 directions along 3 axes
Sensor head 100 m/s2, 3 times each in 6 directions along 3 axes
Degree of 
protection
Pre-amplifier IP20 (excluding the sensor-side cable)
Sensor head Conforming to IP67G (JIS C 0920: 2003, Appendix 1)
LED display Pre-amplifier PWR: Green, ERR: Red, COM: Orange

 

ZCT (IRT)

Ratings and Specifications

 

Model K6CM-ISZBI52
Construction Indoor split type
Rated path current 300 A
Through hole dia. 52 mm dia.
Rated voltage 200 to 480 VAC, 50 Hz/60 Hz three phase
Measurement range Specified in main unit “Characteristics”
Measurement accuracy Specified in main unit “Characteristics”
Voltage input terminal 3-terminal lead wire, Length: 1m (pre-wired cable)
Output terminal 4-terminal lead wire, Length: 1m (pre-wired cable) Available wire length 100 m max.
Applicable 
standards
Conforming 
standards
EN 61010-2-030 
Installation environment: Pollution degree 2, overvoltage category II, measurement 
category II
EMC EN 61326-1 (EMI: Class A EMS: Industrial Location)
Safety standards UL 61010-2-030 (Recognition) + CSA C22.2 No. 61010-2-030 
RCM 
EAC
Insulation resistance Between Mounting bracket - Secondary winding: 100 MΩ min.
Dielectric strength Between Mounting bracket - Secondary winding: 2000 VAC, 1 minute
Ambient operating temperature -10 to +55°C (with no condensation or icing)
Ambient operating humidity 25 to 85% (with no condensation)
Weight Approx. 2.3 kg (including cables)

 

CT

Ratings and Specifications

 

Model K6CM- 
CICB005
K6CM- 
CICB025
K6CM- 
CICB100
K6CM- 
CICB200
K6CM- 
CICB400
K6CM- 
CICB600
Construction Indoor split type
Primary-side rated current 5 A 25 A 100 A 200 A 400 A 600 A
Measurement range *1 1 to 5 A 5 to 25 A 20 to 100 A 40 to 200 A 80 to 400 A 120 to 600 A
Secondary-side rated current Dedicated current
Secondary winding 3000 turns 6000 turns 9000 turns
Insulation resistance Between output terminal and case: 50 MΩ min.
Dielectric strength Between output terminal and case: 2,000 VAC, 1 minute
Protective element 7.5 V clamp element
Permissible attachment/removal 
frequency
100 times
Attachable wire diameter *2 7.9 mm dia.
max.
9.5 mm dia.
max.
14.5 mm dia.
max.
24.0 mm dia.
max.
35.5 mm dia. max.
Operating temperature/humidity
range
-20 to +60°C, 25 to 85% (with no condensation or icing)
Storage temperature/humidity 
range
-30 to +65°C, 25 to 85% (with no condensation or icing)
Supplied cable length 2.9 m (pre-wired cable)
Supplied cable 
terminal
Main unit side Ferrule terminal
CT side Round terminal

 

 

*1. Select a CT that brings the current of the applicable motor into the measurement range. 
      To calculate the current, refer to the technical data on Data Sheet. 
*2. When using a flat wire, be sure to refer to the external dimensions drawing of the CT before selection on Data Sheet.

 

Motor condition monitoring Tool (Software included with main unit)

Operating Environment

 

Element Specification
Supported OS Windows 7, Windows 8.1, Windows 10 (32 bit/64 bit) (Japanese/English)
.NET .NET Framework 4 and .NET Framework 3.5
CPU 1 GHz or more, 32 bit or 64 bit processor
Memory 1 GB or more, or 2 GB or more (for 64 bit)
HDD Available space of 16 GB or more, or 20 GB or more (for 64 bit)
Others Since this software is provided on a CD-ROM, a CD-ROM reading device must be available. 
If data is to be collected, a LAN I/F must be available.

 

Functions/Specifications

(For more details, refer to the catalog of each product.)

 

Item Specification
Project Number of files that can be created No limit
Import Supported format CSV data format
Measurement interval that can be imported 1 second to 99999 second (one-second step)
Number that can 
be registered in 
one project
Number of motors (device groups) 10
Number of devices per motor (device group) 3 *
Graphic display Type of graph Line graph
Display period 1 hour, 1 day, 1 month, 3 months, 6 months, 
1 year, 2 years, 5 years, 10 years, 20 years

 

 

* One vibration and temperature type, one insulation resistance type, and one current comprehensive diagnosis type can be 
   set for one motor.

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