ZIGOR ZGR SOLAR STR 250 Manual De Operación página 82

ZGR SOLAR STR 250
There are four RS485 communication terminals COM1, COM2, COM3 on the bottom of the inverter. Please
choose according to the actual situation.
1) Strip the protection layer and insulation layer by appropriate length (Fig. 4-45).
2) Loosen the swivel nut of the communication terminal and select an appropriate seal according to cable
outer diameter (5 - 8 mm). Lead the cable through the swivel nut and seal successively (Fig. 4-46).
3) Secure the cable to the terminal base (Fig. 4-47).
4) Insert the terminal base into the corresponding terminal (Table 4-12).
5) Pull the cable gently to make sure it is secured, tighten the swivel nut clockwise (Fig. 4-48).
Operation manual
Fig. 4-45 Strip the protection layer
Fig. 4-46 Lead the cable through the swivel nut
Fig. 4-47 Secure the cable
No DEFINITION
1 RS485 A IN, RS485A differential signal +
2 RS485 B IN, RS485B differential signal +
3 RS485 A OUT, RS485A communication signal -
4 RS485 B OUT, RS485B communication signal -
Table 4-12 Terminal definition
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