Omron K6CM User Manual page 225

K6CM-IS Insulation Resistance Type
Insulation Insulation
resistance resistance
Leak current
(Both Ior and
Ioc)
Accuracy
Wiring length of power line to ZCT (IRT) and motor
Sampling period
Applicable circuits
Line penetrable to ZCT (IRT)
Rated input voltage
Operating Input Voltage
Applicable motor
Applicable motor capacities
K6CM-CI Comprehensive Current Diagnosis Type
Comprehen- Rated input voltage
sive current
Rated input current
diagnosis
Degree of
degradation
Overcurrent
Applicable motor type
Applicable motor capacities (*2)
*1. The degradation tendency of the motor hardly appears when the inverter is used at frequencies higher than 80 Hz.
*2. Current value can be calculated from the motor capacity. Refer to A-5 Individual Specifications of the Dedicated Sensor
on page A-10.
K6CM Motor Condition Monitoring Device User's Manual (N219)
Item
Display numerical unit
Measurement range
Display resolution
Display numerical unit
Measurement range
Display resolution
Item
Recommended frequency (*1)
Display numerical unit
Measurement range
Resolution
Sampling period
Rated frequency
Display numerical unit
Measurement range
Resolution
Sampling period
Accuracy
Specifications
MΩ
0.000 to 1.000 MΩ
0.001 MΩ
mA
0.0 to 200.0 mA
0.1 mA
±35% rdg ± 2 digits (when insulation resistance is 0.2 MΩ or
less), when using a motor of 200 V/7.5 kW or less
±35% rdg ± 2 digits (when insulation resistance is 0.4 MΩ or
less), when using a motor of 400 V/7.5 kW or less
40m max.
Normal mode: 10 s
Inverter special measurement mode: 60 s
1) Three-phase 3 wire, S-phase: ground
2) Three-phase four-wire, N-phase: grounding, load side:
delta connection
Power lines
200 to 480 VAC (50/60 Hz)
170 to 528 VAC (45 to 65 Hz)
Three-phase induction motor (Rated voltage: 480 V max.)
0.75 to 7.5 kW
Specifications
480 VAC (dedicated CT)
5, 25, 100, 200, 400, and 600 A (primary current of the dedi-
cated CT)
20 to 80 Hz
None (degree of degradation)
0 to 999
1
5 s
20 to 80 Hz
A
1.00 to 5.00 A (at 5 A rating)
5.0 to 25.0 A (at 25 A rating)
20.0 to 100.0 A (at 100 A rating)
40.0 to 200.0 A (at 200 A rating)
80.0 to 400.0 A (at 400 A rating)
120.0 to 600.0 A (at 600 A rating)
0.01 A (at 5 A rated)
0.1 A (at 25, 100, 200 and 400 A rated)
0.2 A (at 600 A rated)
5 s
±0.5% FS ±1 digit (at 10 to 30 ° C, not including CT variation)
Three-phase induction motor (Rated voltage: 480 V max.)
0.75 to 300 kW (400 V)
0.75 to 150 kW (200 V)
Appendices
A
A - 9