YASKAWA MP920 - Page 211

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