IAI America PCON-CFA - Manual (Page 208)

4. SCON-CA
200
z Network type (No. 87 NTYP)
Specify the network module in parameter No. 87. Do not change the default value.
z Fieldbus I/O format (No. 90 FMIO)
PLC addresses are assigned in units of 16 points (2 bytes) including a node address set in the controller and an
occupied byte in each operation mode.
By changing the setting of parameter No. 90, data of up to 2 words can be swapped in units of bytes before
transmission within the range of communication with the PLC’s I/O areas.
Set value of
parameter No. 90
Description
0 Data is not swapped and sent as is to the PLC. (Refer to Example i.)
1
The upper byte and lower byte of the upper word are swapped, while the upper byte and
lower byte of the lower word are also swapped. (Refer to Example ii.)
2
In the case of a double-word register, the upper word and lower word are swapped. (Refer
to Example iii.)
3 (factory setting)
The upper byte and lower byte of the upper word are swapped, while the upper byte and
lower byte of the lower word are also swapped.
In the case of a double-word register, the upper word and lower word are also swapped.
(Refer to Example iv.)
(Example i) Set value = “0”
z indicates ON, while O indicates OFF.
SCON
input
register
Hexadecimal
data
Hexadecimal
data
Hexadecimal
data
Hexadecimal
data
PLC:
Output
SCON
output
register
PLC:
Input