Chapter 4: Name and Function of Each Part

4-2 JW-20FLT

1Display panel

JW-20FLT

LN TX RX 12V T PE HE

S7 S6 S5 S4 S3 S2 S1 S0

5Module No. switch

2Connector for programmer

(Factory setting: 0)

 

 

4 Connector for shield

 

switch for 10BASE-T

4

 

ON

 

S

3Connector for 10BASE-T

H

I

E

 

 

L

 

 

D

 

 

OFF

(Factory setting: ON)

6Reset switch

(Front)

1

2

34

 

90

 

 

5

8

7

6

(Rear)

 

Name

Function

 

Display panel

Displays the JW-20FLT operating status using LEDs.

 

LN

Lights when communicating normally.

 

TX

Blink at transmitting data.

 

RX

Blink at receiving data.

1

12 V

Cannot be used with the JW-20FLT.

T

Lights at test mode. (Normally, this is not used.)

 

 

PE

Lights at parameter setting error.

 

HE

Lights at this module error.

 

S0 to S7

Displays the station number when operating normally. Displays an error

 

code if an error occurs.

 

 

2Connector for programmer Connect a JW-14PG programmer or similar equipment to set the parameters on the JW-20FLT.

3Connector for 10BASE-T Connect the 10BASE-T twisted pair.

 

Connector for

ON

The shield on the twisted pair cable will be shorted to the FG (base) of

4

Shield switch

this module.

 

 

for 10BASE-T

OFF

The shield on the twisted pair cable is not shorted to the base.

5

Module No. switch

 

Specify a module number from 0 to 6.

 

- Be careful do not use the same number for another option module.

 

 

 

6

Reset switch

 

Only used by SHARP engineers. Users should not press this switch.

4-2