IDEC High Performance Series - Manual (Page 534)

Chapter 2
516
External Device Setup Manual
21.2.4 VB0, VB1, VB2, VH (VB-232)
21.2.5 VB0, VB1, VB2, VH (VB-485)
VB0, VB1, VB2, VH
VB-232 MICRO/I
RS232C
Connection Diagram 5
VB0, VB1, VB2, VH
VB-485 MICRO/I
RS485
Connection Diagram 6