Page 382 - Electronic Mechanic - TP - Volume - 2

ELECTRONICS MECHANIC - CITS

EXERCISE 241: Connect servo motor with computer
through servo drive and perform speed

control and Torque control of motor

Objectives

At the end of this exercise you shall be able to:
• to connect servo motor with Servo Drive using Siemens SINAMICS V90 software and perform speed control
and Torque control of motor.

Requirements

Tools/Equipments/Instruments
• Combination plier 200mm - 1 No. • Servo Drive- SINAMICS V90)
• Screw Driver set with neon tester Compatible to 10 HP motor - 1 No.
10mm- max - 1 Set. • Connecting wires as required - as reqd.
• Spanner set 6mm to 32mm - 1 Set. • V-Assistant software /

Materials/Components commissioning tool - 1 No.
• TIA portal software through
• Servo Motor 1phase/ 3phase, Sinamics S7 controller - 1 No.
415V, 20A, 50Hz - 1 No.

Procedure

Servo Drive with Servo Motor:
The SINAMICS V90 servo drive is integrated with digital input/output interface, pulse train interface and analog
interface. It can be connected either to a Siemens controller like S7- 200, S7-1200 or S7-200 SMART, or to a
third-party controller. Absolute position information can be read from the servo drive by the PLC via RS485 port.
A configuration software tool, SINAMICS V-ASSISTANT, can be installed on a PC. The PC can communicate
with SINAMICS V90 servo drive with a USB cable for performing parameter settings, trial run, status display
monitoring, gain adjustments, and so on.
• Parts of servo drive- refer exercise 238 .
• Commissioning –refer 239

Illustration shows an example of the SINAMICS V90 servo Commissioning purpose when the servo drive
is powered on for the first time, you can perform a test run with the BOP or the engineering tool SINAMICS
V-ASSISTANT to check:
• Whether the mains supply has been connected correctly.
• Whether the 24 V power supply has been connected correctly.
• Whether the cables (power cable, encoder cable, and brake cable) between the servo drive and the servo
motor have been connected correctly.
• Whether the motor speed and direction of rotation are correct.
Prerequisite:
• The servo drive is connected to the servo motor without load.
• No PLC is connected to the drive system.

The SINAMICS V90 servo drive is designed with a Basic Operator Panel (BOP) on the front panel of the servo
drive:

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CITS : E & H - Electronics Mechanic - Exercise 240