Chapter 8 High-speed counter, PWM / Pulse train output and Analogue I/O

8.11 Analogue Expansion unit

Analogue expansion module has 4 ch. of analog input and 2 ch. of analog output, which is configured by dip switches.

„Range setting

Analogue input range setting (Common for all input channels.)

Sw1

Sw2

 

Range

Remarks

off

off

0

- 10V

Default setting

off

ON

0

- ±10V

 

ON

off

0

- 20mA

 

ON

ON

4

- 20mA

 

Analogue output range setting (Common for all output channels.)

 

Sw3

Sw4

 

 

Range

 

Remarks

 

off

off

 

0

- 10V

 

Default setting

 

off

ON

 

 

 

 

 

 

 

 

 

 

 

ON

off

 

0

- 20mA

 

 

 

ON

ON

 

4

- 20mA

 

 

Conversino mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sw6

Conversion mode

 

 

Remarks

 

off

4,096 (H0FFF)

 

 

 

 

 

 

ON

4,000 (H0FA0)

 

 

 

Default setting

Sw5,7,8 : Set off always.

 

Dip switch

 

(Default setting)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW1

1

 

 

 

O

 

 

 

SW2

2

 

 

 

 

N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW3

3

 

 

 

 

 

 

 

 

 

SW4

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW5

5

 

 

 

 

 

 

 

 

 

SW6

6

 

 

 

 

 

 

 

 

 

SW7

7

 

 

 

 

 

 

 

 

 

 

 

 

 

SW8

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFFON

Caution : Set dip switch while power off.

„I/O assignment, data table

I/O assignment = "FUN 0"

WX u00

System area

 

Do not use this area.

WX u01

Ch.1 Input data

 

Data in lower 12 bits.

WX u02

Ch.2 Input data

 

Always 0 in higher 4 bits.

WX u03

Ch.3 Input data

 

0000H - 0FFFH

WX u04

Ch.4 Input data

 

 

WY u05

System area

 

Do not use this area.

WY u06

Ch.6 Output data

 

Data to be written in lower 12 bits.

WY u07

Ch.7 Output data

 

0000H -0FFFH

u : Unit number (1 - 4)

 

Example : Unit 1, Input ch.2 → WX102

Unit 4, Output ch.7 → WY407

„ In/output data table

0 - 10V / 0 - 20mA / 4 - 20mA

 

 

Mode 4000

Mode 4096

0V

/ 0mA / 4mA

0

0

5V

/ 10mA / 12mA

H07D0 (2000)

H07FF (2047)

10V / 20mA / 20mA

H0FA0 (4000)

H0FFF (4095)

-10 - +10V (only for analog input)

 

 

 

Mode 4000

Mode 4096

-10V

H0830 (-2000) *

H0800 (-2048) *

0V

 

0

0

+10V

H07D0 (2000)

H07FF (2047)

* 2's complement

 

 

8-24

Page 233
Image 233
Hitachi NJI-350B manual Analogue Expansion unit, Sw1 Sw2 Range Remarks, Sw3 Sw4 Range Remarks, Sw6 Conversion mode Remarks