Chapter 3

Function and Performance Specifications

 

 

 

 

 

 

 

 

 

 

 

 

3.3.4 High-Speed Counter Specifications

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Single phase

 

Two phase

 

 

 

 

Available input

 

X0, X2, X4, X6

 

X0 and X2 in pair

 

 

 

 

Input voltage

ON

15

V

 

 

 

 

 

OFF

 

5 V

 

 

 

 

Count pulse width

 

100 ∝s

 

 

 

 

Maximum count frequency

10 kHz each channel

 

 

 

 

Count register

 

16 bits

 

 

 

 

Coincidence output

 

Allowed

 

 

 

 

On/Off-preset

 

Allowed

 

 

 

 

Upper/lower limit setting

Not allowed

 

 

 

 

Preload/strobe

 

Allowed

 

Since 10 points type does not have input X6, counter channel is up to 3 ch.

3.3.5 PWM Output/Pulse Train Output Specifications

 

23-point and 28-point type

 

10/14/28-point

 

Relay Output

 

 

Transistor Output

Available outputs

Y100 (optional)

 

Y100-Y103 (optional)

Load voltage

5/12/24 V

 

 

12/24 V

Minimum load current

 

1

mA

 

PWM max. output frequency *1

 

2 kHz total channels

 

Pulse train max. output frequency *1

 

5 kHz total channels

 

Pulse acceleration/deceleration

 

By FUN 151.

 

*1: Relay outputs cannot keep up with high frequencies; these outputs should be used at the operating frequency upon confirmation.

3.3.6 Analogue Input Specifications

Module type

23 points module

 

 

Analog exp. unit

Input channel

WX30, WX31

 

 

WX u01 - WX u04

 

 

 

 

(u : unit number)

Input range

0-10 V (10.24V max.)

 

 

0-10V (10.24V max.)

 

 

 

 

-10 to +10V (±10.24V max.)

 

0-20 mA (20.48 mA max.)

 

 

0-20 mA (20.48 mA max.)

 

-

 

 

4-20 mA (20.38 mA max.)

Resolution

 

12

 

bits

Accuracy

±1 % of full scale

Linearity

Max. +/-3 units

Current input impedance

Approx. 249 Ω

Voltage input impedance

Approx. 100 kΩ

 

 

Approx. 200 kΩ

Input delay time

 

20

ms

Channel to internal circuit insulation

Not insulated

 

 

Insulated

Channel-to-channel insulation

Not

insulated

3-12

Page 28
Image 28
Hitachi NJI-350B manual High-Speed Counter Specifications, PWM Output/Pulse Train Output Specifications