IAI America PCON-CFA - Manual (Page 83)

2. ACON-C/CG,
PCON-C/CG
77
z Network type (No. 87, NTYP)
The network module type is specified in parameter No. 87. Do not change the default setting.
z Fieldbus I/O format (No. 90, FMIO)
Addresses in the PLC are assigned in units of 16 points (1 channel) based on the node address set in the
controller and number of occupied channels in each operation mode.
By changing the setting of parameter No. 90, data elements can be swapped within a boundary of two words or
less in units of bytes during communication using the I/O areas of the PLC.
Value set in
parameter No. 90
Description
0 Data is not swapped. The data is sent directly to the PLC. (Refer to Example i.)
1
The upper byte and lower byte comprising the upper word are swapped, and the
upper byte and lower byte comprising the lower word are also swapped. (Refer to
Example ii.)
2
The upper word and lower word are swapped for word registers. (Refer to Example
iii.)
3 (factory setting)
The upper byte and lower byte comprising the upper word are swapped, and the
upper byte and lower byte comprising the lower word are also swapped. In addition,
the upper word and lower word are swapped for word registers. (Refer to Example
iv.)
(Example i) Set value = “0”
z indicates ON, while O indicates OFF.
Input
register
Hexa
decimal data
Output
channel
Hexa
decimal data
Output
register
Input
channel
Hexa
decimal data
Hexa
decimal data