Omron SYSDRIVE 3G3JV

7-3
7-1-3 Names of Parts
Terminal block
Terminating resistance switch
H Terminal Block
1 2 3 4 5
S– S+ Shield R– R+
H Terminating Resistance Switch
Note Set the terminating resistance switch to ON to connect the terminating resistance.
7-1-4 Mounting Procedure
• Use the following procedure to mount an RS-422/485 Communications Unit (3G3JV-PSI485J) to a
3G3JV Inverter.
1. Turn OFF the Inverter’s power supply. Mounting the RS-422/485 Communications Unit without
turning OFF the Inverter’s power supply may result in electric shock or damage to equipment.
2. Loosen the Inverter’s front cover mounting screws and remove the front cover as shown on the left
below.
Communications Chapter 7