HP 30 HP30 - Manual (Page 178)

Chapter 7 - Options
7-16
7.5.3 RS485 Communication
The serial interface supports operation, configuration and monitoring of inverter functions through RS485 connection.
1) Terminal block configuration
P N G S T1 T2
2) Terminal Description
Terminal Name Description
T1,T2
Short the terminal to connect the termination resistor on
board
S SHEILD
G Power grounding terminal for RS485
P
Connect the RS485 signal - High
Signal input/output terminal for RS 485
N
Connect the RS485 signal - Low
Reference terminal for RS 485
7.5.4 Remote cable
Ordering Number Description
Remote cable - 2m
Remote cable - 3m
Remote cable - 5m