"Only when using ZW model I/O module"① Select "number of I/O byte checking" function [OCT (Octal), bytes]

(Applied to item ① on pages 8·20 to 22)

·Select whether to check or not number of bytes of I/O module used for the remote I/O slave module. Set selection in parameter address 003750(8). If "check" is selected, the I/O module can detect when number of I/O modules is changed by fault or disconnection of the I/O modules.

Set value

Contents

 

 

00(H)Do not check

Initial value: 00(H) (Do not check)

45(H)Check

(To select "check" using JW-13PG)

Screen display of JW-13PG

 

 

 

 

 

 

 

 

03746

HEX

00

 

 

 

03747

HEX

00

 

 

 

I PARAM.

 

 

 

D i s p l a y c o n t e n t s o f

Write 45(H)

>03750

HEX

45

 

address 003750(8)

 

 

 

 

 

 

 

 

 

 

 

 

 

"Only when using ZW model I/O module"

②

Set number of I/O bytes[DCM (decimal), word]

(Applied to item ② on pages 8·20 to 22)

 

· Set total number of bytes of installed modules when "yes" is selected (address 003750(8) = 45(H)).

 

· If the set number of I/O bytes mismatch with the actual number of bytes of the installed module,

 

the JW-20RS detects as error (error code 92(H)).

8

· Set between 000 to 128 in decimal notation.

 

 

Address

Contents

 

 

 

 

 

 

 

 

 

003752(8)

Lower bytes

Initial value: 00(D) for both upper and lower bytes.

 

 

 

 

 

 

003753(8)

Upper bytes

 

 

 

 

 

 

 

 

Ex.:

If one ZW-16N1 (16 points/2 bytes) and one ZW-16S1 (16 points/2 bytes) are installed,

(Set 2 bytes + 2 bytes = 4 bytes using the JW-13PG)

Screen display of JW-13PG

Display the contents of

 

03746

D

00000

Write data

03750

D

00037

address 003752(8) in decimal

4

I PARAM.

D

00004

notation and words.

 

>03752

 

 

 

 

8·24