Yaskawa MP920 Communications Module - Manual (Page 212)

8.3 Connection with MELSEC
8-21
8
Mode Setting Switches
Switch Name Setting
Switch No.
Port Operation Mode Set Value
RS-232C Port RS-422/485 Port
MODE
(Rotary
Switches 0 to F) 0 Cannot be used. • With RS-232C
connection: 1
• With RS-422/485
connection: 5
If the above set-
tings are used, 1 is
set in this example.
1 Type 1 protocol
mode No-protocol mode
2 Type 2 protocol
mode No-protocol mode
3 Type 3 protocol
mode No-protocol mode
4 Type 4 protocol
mode No-protocol mode
5 No-protocol mode Type 1 protocol
mode
6 No-protocol mode Type 2 protocol
mode
7 No-protocol mode Type 3 protocol
mode
8 No-protocol mode Type 4 protocol
mode
9 No-protocol
mode ⇔ No-protocol mode
A Type 1 protocol
mode ⇔ Type 1 protocol
mode
B Type 2 protocol
mode ⇔ Type 2 protocol
mode
C Type 3 protocol
mode ⇔ Type 3 protocol
mode
D Type 4 protocol
mode ⇔ Type 4 protocol
mode
E Cannot be used.
F For unit test