1-184 ACH550-UH User’s Manual
Parameters
Group 98: OPTIONS
This group configures for options, in particular, enabling serial communication with
the drive.
Group 98: Options
Code Description Range Resolution Default S
9802 COMM PROT SEL 0…5 1 0 (
NOT SEL)
Selects the communication protocol.
0 = NOT SEL – No communication protocol selected.
1 =
STD MODBUS – The drive communicates with Modbus via the RS485 channel (X1-communications, terminal).
• See also Group 53: EFB PROTOCOL.
2 = N2 – Enables fieldbus communication with the drive using Metasys N2 protocol via the RS485 serial link (X1-
communications terminal).
3 = FLN – Enables fieldbus communication with the drive using FLN protocol via the RS485 serial link (X1-
communications terminal).
4 =
EXT FBA – The drive communicates via a fieldbus adapter module in option slot 2 of the drive.
• See also Group 51: EXT COMM MODULE.
5 = BACNET – Enables fieldbus communication with the drive using BACnet protocol via the RS485 serial link (X1-
communications terminal).
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