Measurement-computing PointScan 200 Series rev.1.0 Manual do Utilizador descarregar pdf (Página 32)

8-2 Combination I/O Modules

9-25-01

PointScan/200 Users Manual

I/O Registers

Function IOtech Registers Modbus Registers

Discrete Inputs X0 - X3 10001 – 10004

Discrete Outputs Y0 - Y3 00001 – 00004

Counter Inputs AX0 - AX3 30001 - 30004 Unsigned values: 0 65,535

TPO Values AY0 - AY3 40001 - 40004 0 to 100% ON: 0 32767

PointScan/231

Combined Discrete Input and Analog Input Module

Overview

This module combines four discrete inputs and four analog inputs. A discrete input count feature uses

analog input registers to accumulate the positive transitions of each input. The four analog inputs accepts

signals from internally powered or loop powered devices. More information can be found in the on-line

help of the IO Toolkit.

Number of Discrete Inputs 4

Input Voltage Range 10 - 30 VDC

Number of Analog Inputs 4

Input Range 4 - 20 mA

Input Impedance 100 ohms Note: input voltage drop = 2 volts at 20 mA

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Measurement-computing PointScan 200 Series rev.1.0 Manual do Utilizador Página 32