I9-90-1-26

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The I9-90-1-26 is a servo drive designed to operate with a main circuit input voltage of 180 to 220 V (rms) and a frequency of 49 to 62 Hz. Manufactured by Okuma as part of the BL Servo Drives series, it offers robust protection features, including overvoltage detection. Additionally, it supports motor speed monitoring.

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Product Description:

The I9-90-1-26 servo drives are structured to be operative efficiently in terms of industrial use with a sure performance. The motor is of 49-62 Hz in frequency and has the ability to take in an input voltage from 90 V to 121 V (rms) and can therefore best fit into variable power configurations. It can be approximated by using formula like motor output × 0.32, i.e., it is easy to make rough energy calculations on system design.

It comes in various unit capacities from 15 to 150, and therefore it accommodates a variety of motor sizes and capabilities for a wide variety of applications. The motor incorporates essential motor speed and torque monitoring functions in special check terminals such as VEL and TO for in-process diagnostics and system status verification. Its inherent protection features offer overcurrent, overvoltage, undervoltage, and thermal monitoring states protection to secure operations and prolong equipment life. Protection functions such as this are essential in preventing unnecessary failure and system malfunction. I9-90-1-26 is also compatible with standard connector sizes like MRP-20F01 and Dynamic series model numbers, providing effortless integration with Okuma components and existing automation systems. Its compact, durable design and robust internal circuitry are specifically developed to support high performance demands inherent to precision drives systems. It provides continuous communication with motors and motor controls and provides system stability with changing electrical conditions.

With its variable voltage input and series capacity options, combined with inbuilt protection devices and monitoring terminals, the I9-90-1-26 is a general-purpose servo control solution. It is appropriate for applications requiring high control, protection, and lifespan, and hence becomes an efficient solution to guarantee productivity where consistency of performance matters.

3-phase input voltage
180-240 V, 50/60 Hz
Connector types
MRP-20F01; Dynamic series 178288-5
Control circuit input voltage
90-121 V (rms)
Main circuit input voltage
180-220 V (rms), 49-62 Hz
Monitoring function
Speed & torque via VEL, TO check terminals
Protection features
Overcurrent, overvoltage, undervoltage & overheat detection
Required power estimation
Rated motor output × 0.32
Status indication
LED indicators: PON, OP, OCM, PCS, OV, UV, ROH, BOH, LOSS
Unit capacity range
15-150 (model dependent)

Frequently Asked Questions about I9-90-1-26:

Q: What is the input voltage range for the I9-90-1-26?

A: The main circuit input voltage for the I9-90-1-26 is 180 to 220 V (rms) with a frequency range of 49 to 62 Hz.

Q: What is the required power estimation for the I9-90-1-26?

A: The required power estimation for the I9-90-1-26 is calculated as (Rated motor output) × 0.32.

Q: What are the monitoring functions for the I9-90-1-26?

A: The I9-90-1-26 can monitor motor speed and torque via dedicated check terminals (e.g., VEL and TO signals).

Q: What protection features are included in the I9-90-1-26?

A: The I9-90-1-26 includes protection for overcurrent, overvoltage, low voltage, and overheating.

Q: What status indicators are present in the I9-90-1-26?

A: The I9-90-1-26 uses LED indicators such as PON, OP*, OCM*, PCS*, OV, UV, ROH, BOH, and LOSS.


Internal Product Review

  • ‘‘The I9-90-1-26 drive from Okuma offers great functionality and ensures precise control over motors. Its protection features and motor monitoring make it a reliable and secure choice for high-precision tasks. The LED status indicators help users easily monitor operational status, enhancing the overall user experience.’’

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