3-27
3 Data Exchange with the CPU Unit
CJ-series PROFIBUS Slave Unit Operation Manual for NJ-series CPU Unit (W510)
3-
7 Device V
ariable
s for C
J-series U
n
it
(Co
n
fig
u
rat
ion)
3
3-
7-3 Slave Input Settings (*_SlvInS
ta)
Name of Device Variable for CJ-
series Unit
Type
R/W
Description
Function
*_SlvInStartAdr UINT
R
Input
start
address
Indicates the start address in the area indicated
in
*_SlvInSta
, from which the PROFIBUS input
data will be read (data from Slave CPU to Mas-
ter).
The value is provided by the PROFIBUS mas-
ter's Set_Prm
telegram, and indicated in
*_SlvInStartAd
r after
both the Set_Prm and Chk_Cfg telegrams have
been accepted.
The indication is only valid in case the input
area code is unequal to 00.
The start address is indicated as a value in the
range 0 to 32767.
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
*_SlvInDatLen
*_SlvInDatLen
Name of Device Variable for CJ-
series Unit
Type
R/W
Description
Function
*_SlvInDatLen
UINT
R
Input data
length
The value indicates the size of the area from
which the PROFIBUS input data will be read
(data from Slave CPU to Master).
The value is provided by the PROFIBUS mas-
ter's Chk_Cfg telegram, and indicated in
*_SlvInDatLen
after both the Set_Prm and
Chk_Cfg telegrams have been accepted.
The indication is only valid in case the input
area code is unequal to 00.
The length (in words) is indicated as a value in
the range 0 to 100.
