23 - 4
23.1 System Configuration
23.1.1 Connecting to FREQROL A500/F500
2 System equipment
(1) GOT
*1 Connect it to the RS-232 interface (built into GOT).
(2) Inverter
is a product manufactured by HACHIKO ELECTRIC CO., LTD.
For details of this product, contact HACHIKO ELECTRIC CO., LTD.
(3) Cable
Image No. Name Model name
RS-422 conversion unit
*1
• For RS-422 communication
GT15-RS2T4-9P
RS-422/485 Communication Unit
• For RS-422 communication
GT15-RS4-9S
RS-422 interface
• For RS-422 communication
(Built into GOT)
Image No. Name Model name
Computer link option FR-A5NR
Distributor BMJ-8 (Recommended)
Image No. Name Model name
RS-422 cable 1)
• Between inverter and GOT
• Between distributor and GOT
(To be prepared by the user. Section 23.2 Connection Cable)
RS-422 cable 2)
• Between FR-A5NR and GOT
RS-422 cable 3)
• Between distributor and
inverter
• Between distributors
RS-422 cable 4)
• Between FR-A5NR and FR-
A5NR
RS-422 cable 7)
• Mounting a terminating
resistor
RS-232
RS-422/485
RS-422
SDBSDA RDA RDB RDR SG
A
B
C