K7DD – Advanced Motor Condition Monitoring Device

  • NG # 057880009-HW-OMRON-009

OMRON K7DD is an advanced motor condition monitoring device designed for real-time monitoring and predictive maintenance of variable-speed motors. It analyses motor current, voltage and power characteristics to identify abnormal operating conditions and potential equipment failures, helping reduce unexpected downtime and improve industrial equipment reliability.

 

Manufactured By :
OMRON
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Overview

The K7DD monitors electrical characteristics of motors and other equipment to identify potential faults and abnormal operating patterns. It supports single-phase and three-phase measurement configurations, providing detailed information on current, voltage, power, frequency and harmonic distortion. Dual RS-485 communication interfaces with Modbus RTU enable integration into industrial monitoring systems. Combined with OMRON's Condition Monitoring Configuration Tool, it helps maintenance teams analyse equipment conditions, identify developing problems and plan maintenance activities more effectively.

Specification

Device type: Advanced motor condition monitoring device

Power supply: 100–240 V AC, 50/60 Hz or 24 V DC

Measurement targets: Single-phase and three-phase motor systems

Current measurement ranges: 5 A, 25 A, 100 A, 200 A and 400 A (with compatible CTs)

Voltage measurement ranges: 150 V, 300 V and 600 V

Measurement frequency: 40–250 Hz display range

Current and voltage accuracy: ±0.5% FS ±1 digit

Active/reactive power accuracy: ±2% FS ±1 digit

Communication: 2 × RS-485, Modbus RTU

Maximum communication distance: 500 m at baud rates up to 115.2 kbps

Alarm output: NPN open collector

Mounting: DIN rail

Protection rating: IP20

Operating temperature: −10 … +55 °C

Compatible current transformers: K6CM-CICB005, K6CM-CICB025, K6CM-CICB100, K6CM-CICB200 and K6CM-CICB400

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5. E2K-F – Flat Capacitive Proximity Sensor Qty: 1
6. M22N – 22 mm LED Indicator Light Qty: 1
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