YASKAWA MP920 User Manual page 211

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