IL485

4

NVE Corporation

11409 Valley View Road, Eden Prairie, MN 55344-3617

Phone: (952) 829-9217

www.nve.com

youtube.com/NveCorporation

iso-apps@nve.com

IL485 Pin Connections

1

VDD1

Input Power Supply

2

GND1

Input Power Supply Ground*

3

R

Output Data from Bus

4

RE

Read Data Enable

(if RE is high, R = high impedance)

5

DE

Drive Enable

6

D

Data Input to Bus

7

NC

No Internal Connection

8

GND1

Input Power Supply Ground*

9

GND2

Output Power Supply Ground*

10

ISODE

Isolated DE Output for use in Profibus

applications where the state of the isolated

drive enable node needs to be monitored

11

NC

No Internal Connection

12

A

Non-inverting Bus Line

13

B

Inverting Bus Line

14

NC

No Internal Connection

15

GND2

Output Power Supply Ground*

16

VDD2

Output Power Supply

RE

VDD

2

GND

1

D

GND

2

R

NC

B

DE

A

NC

ISODE

GND

1

VDD

1

GND

2

NC

*NOTE: Pins 2 and 8 are internally connected, as are pins 9 and 15.