GE IC800SSI228RD2 Servo Motor Controller

System Overview

The S2K Series is a family of high performance standalone brushless servo or stepper

amplifiers with integrated motion controllers and user configurable I/O functions.

Controllers are available in models configured for either resolver or serial encoder motor

feedback. Encoder-based S2K servo models can be used only with GE Fanuc S-Series

(SLM, SDM or SGM) servo motors. S2K resolver feedback servo controllers use GE

Fanuc MTR-Series (3N, 3S or 3T) servo motors or third-party motors with appropriate

ratings and resolver specifications. Please consult the factory for assistance in controlling non-GE Fanuc motors.

Servo models support continuous stall torque from 0.84–478 in-lb (0.095–54 Nm) while

the stepper model supports holding torque from 144–3.074 oz-in (16.3–21.7 Nm). Servo

controller models include four 230 VAC ratings of 4.3. 7.2. 16. and 28 amps continuous

and two 460 VAC ratings of 7.2 and 20 amps continuous (460 VAC models are only

available with resolver feedback). Peak currents of the 230 VAC servo models are two

times the continuous ratings while the 460 VAC servo models are 1.5 times the

continuous rating. The stepper controller has a rating of 5 amps.

Models supporting DeviceNet™ or PROFIBUS communications include 14 discrete I/O

points. The 4.3 and 7.2 amp servo models and the stepper model are also available with

21 I/O points instead of the DeviceNet or PROFIBUS communications. All drives are

capable of supporting the Modbus/RTU protocol. If the optional Modbus adapter is used

(catalog number IC800MBUSADP) the standard RS-232 serial port can be used for

multidrop applications. This adaptor is an externally mounted multi-drop RS-232 to RS485 serial port converter.

The S2K Series controllers are optimized for use with the GE Fanuc S-Series or MTRseries servo and stepping motors. 

Overload and possible component damage may occur

if the motor and amplifier are not properly matched. Tables 1-1 to 1-3 show the

recommended pairing of the components.

The S2K Series stepper controller requires a single-phase 115 VAC supply. S2K Series

servo controller models rated 230 VAC and 4.3 or 7.2 amp can operate on either 115 VAC

single-phase or 230 VAC three-phase, while the all other models are rated for three-phase

input. The 230 and 460 VAC models are intended to be operated from a three-phase

supply but can be used with a single-phase power source.

The S-Series servo motors optimized for use with the S2K Series controllers range from

30 W to 5 kW and are rated for 230 VAC for full speed. Using a 115 VAC supply will result

in a reduced operating speed of approximately one half of the rated speed.

The 30 to 1.000 Watt S-Series servo motors (SLM models only), MTR-3S and MTR-3N

series and all stepping motor models are designed with standard NEMA shaft and flange

mounting configurations for easy mounting to off-the-shelf gear reducers and couplings.

The 750-Watt S-Series motor uses an oversized shaft diameter (0.625 inches) for the

NEMA 34 mounting in order to handle the peak torque rating of this model. 

S-Series motor models from 1 to 5 kW (except the SLM100 1kW motor) and all MTR-3T Series motors

have metric mounting configurations.

All servo motors are available with an optional 24 VDC holding brake. These brakes are

spring-set, electrically released models designed for holding stationary loads. The user

must supply a separate 24 VDC brake power supply. The 30-750 Watt S-Series motors

have a pigtail cable with box style connectors for motor power, encoder and brake

connections. The 1.000 to 5.000 Watt S-Series motors have MS style connectors and the

brake power (when required) is integrated with the motor power connections in a common

connector/cable. MTR-series servo motors include MS type connectors for brake power

input. The MTR-3N and MTR-3T series brake motors integrate the brake power with the

motor power in the same cable. MTR-3S brake motors require a separate brake power cable (CBL-30-BT).

S2K Series controllers are configured and programmed using the Motion Developer

software for a personal computer. This software is a standalone application that works

within the Machine Edition software environment and provides tools to simplify

programming for the novice while providing direct code entry for the advanced user.

The following sections outline what should be accomplished before operating the S2K Series controller.