User`s manual
INP-TN5A0202-E 5-17
5.3 PLC Communication Setting
MC protocol frame types
Setting the frame depending on the type selected by MC protocol.
Refer to the parameters below.
Parameter Setting Range Unit
Factory-set
value
Attribute
MODBUS register No.
(Relative Address)
MC protocol frame types
0: QnA compatible 4C frame
1: A compatible 1C frame
None 0 R/W 40019 (0012h)
Communicatable combination of MC protocol and MC protocol frame type is as below.
Communication
object
I/F
QnA compatible 4C fram A compatible 1C frame
Type 5 Type 2 Type 4
Q series
RS-232C
ccc
RS-422
¯
RS-485
¯
c
A series
RS-232C
¯cc
RS-422
¯¯
RS-485
¯c
FX series
RS-232C
¯¯c
RS-485
¯¯c
: 1:1 connection + 1:N connection is available
c
: 1:1 connection is available
¯
: Any connections are not available
Note
When using 1:N connection, the settings of every connected programless communication modules should be the same.