User Manual 40 / 43 CPS Mini Central series
10.3
RS485 cable connection
RS485 cable connection
Pin 1
TR-(B)
Pin 2
Shielding layer or no connection
Pin 3
TR+(A)
Definitions of RS485 PLUG (standard) as follows:
Pin 1
TR-(B)
Pin 2
Shielding layer or no connection
Pin 3
TR+(A)
Step 1 : Please loosen four screws, take down the RS485 waterproof cover from inverter. If
you don’t choose RS485 as communication method, keep it on the inverter.
Fig 10.6
Step 2: Slightly loosen the swivel nut, remove the filler-plug from the M16 cable gland.
Fig 10.6
Step 3
：
Make the cable through the hole of cable gland and put the cable into the Rs485
terminals, fix all cables with screwdriver (‘1’to’ T/R-(B)’, ‘3’to’ T/R+(A)’, ‘2’ to the shielding
layer or no connection). The type of cable is recommended as STP, FTP,AST
Step 4
：
Plug in two terminals. Cover the fix board.
Fig 10.7
Step 5
：
Tighten 4pcs screws and cable gland.
