Delta RMC101 User Manual download pdf (Page 30)

RMC100 Modules RMC100 Startup Guide

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drive for servo valves. The full-scale output of the VC2100 is adjustable from ±10

to ±200mA in 10mA steps.

A short description of each communication module follows. The RMC part number

designation of each module is in parentheses.

MDT Input with Analog Output (-Mn)

Magnetostrictive displacement transducers are designed for use in rugged industrial

environments. They are non-contact, wear-free, highly reliable, and offer accurate

and repeatable linear position measurement. In the motion control industry

magnetostrictive displacement transducers are typically inserted into hydraulic

cylinders for measurement of the cylinders’ extension/retraction position.

An MDT transducer communicates the position measurement via Start/Stop pulse or

Pulse Width Modulation.

SSI Input with Analog Output (-Sn)

Synchronous Serial Interface (SSI) is a widely accepted controller interface.

Position data from the sensor is encoded in a binary or Gray Code format and

transmitted over a high-speed synchronous interface.

SSI transducers and absolute encoders offer the following advantages:

• Linear or Rotary

• High resolution. Up to 2 µm (approx. 0.00008")

• Noise immunity

• Cost effective data transfer (only one 6-wire cable is needed)

• Transmission rate independent of data length and resolution

• Transmission over long distances

• Direct connection to the RMC’s SSI interface module

Quadrature Input with Analog Output (-Sn)

The QUAD interface allows the RMC100 control a wide range of motors and linear

actuators with quadrature encoder feedback.

• Features of the Quadrature Encoder Interface:

− 4,000,000 counts/second

− A and B Inputs

− Index Input with High-speed 125ns Position Latch

• Drive Amplifier Interface:

− Isolated ±10V, 12-bit Analog Drive Output

− Amplifier Enable Output

− Amplifier Fault Input

Index/MDT/Overview

Index/SSI/Overview

Index/quadrature/Overview

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Delta RMC101 User Manual Page 30