Sharp JW-20CM Computer Hardware User Manual


 
8·24
"Only when using ZW model I/O module"
Select "number of I/O byte checking" function [OCT (Octal), bytes]
(Applied to item 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.
Initial value: 00
(H)
(Do not check)
(To select "check" using JW-13PG)
"Only when using ZW model I/O module"
Set number of I/O bytes [DCM (decimal), word]
(Applied to item 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)
).
· Set between 000 to 128 in decimal notation.
Initial value: 00
(D)
for both upper and lower 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)
eulavteS stnetnoC
00
)H(
kcehctonoD
54
)H(
kcehC
Write 45(H)
Display contents of
address 003750(8)
Screen display of JW-13PG
03746 HEX 00
03747 HEX 00
I PARAM.
>03750 HEX 45
sserddA stnetnoC
257300
)8(
setybrewoL
357300
)8(
setybreppU
Write data
4
Display the contents of
address 003752(8) in decimal
notation and words.
Screen display of JW-13PG
03746 D 00000
03750 D 00037
I PARAM.
>03752 D 00004