Mitsubishi GOT1000 Series Connection Manual page 392

3 Switch setting on C500HLK201-V1
Set the switches accordingly.
(1) Setting host link/local
(2) RS-232C/RS-422 switch
(3) Internal/external clock switch
(4) Terminating resistor connection switch
(5) CTS switch
9 - 48
9.4 PLC Side Setting
9.4.5 Connecting rack type host link unit
Front
In operation
Receiving
Transmitting
Transmission error
Mode selection
Host link
Local
(1)
RS-232 communication
Rear
8
7
(2)
6
5
4
(3)
3
2
1
8
7
(4)
6
5
4
3
(5)
2
1
Setting
Host link
Setting
RS-232 (down)
Setting
Internal (up)
Setting
Attached (down)
Setting
0V (up)
(6)
(7)
RS-422 communication
RS-422 (up)