User manual

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3.6.3 RS485 bus

The inverter communicates with other devices via an RS485 bus. The following applies: The fol-

lowing applies:

n The inverter has two RS485 interfaces (RJ45 sockets) on the lower side of the casing.

n The beginning and end of the RS485 bus must be terminated; see

Chapter 3.6.5 „RS485 ter-

mination“ on page 31.

n Standard RJ45 cables can be used as bus cables (Cat-5 patch cables, not supplied). Use an alter-

native data connection cable for longer connections; see

Chapter 3.6.4 „Alternative RS485

data connection cable“ on page 30.

n The inverters connected to the RS485 bus operate as slaves.

Notice

The following inverters have compatible data interfaces and can be connected to the RS485

bus as slaves:

– StecaGrid 2020

– StecaGrid 1500, 1800, 2000, 2300, 2500, 3010, 3000, 3600, 4200 and StecaGrid 1500,

1800x, 2000x, 2300x, 2500x, 3010x, 3000x, 3600x, 4200x

– StecaGrid 8000 3ph, StecaGrid 10000 3ph

– StecaGrid 8000+ 3ph, StecaGrid 10000+ 3ph

Comply with the instructions in the manuals of these devices relative to addressing, termina-

tion, and approved data cables.

747.431 | Z09.3 | 2017-09-05