Johnson Controls York AYK550 - Page 144

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This group configures for options, in particular, enabling serial communication with
the drive.
2,8 YORK Drives include the following embedded protocols:
1. Standard MODBUS
2. Johnson N2
3. Siemens FLN
Options:
4. Ext FBA requires external communication card
5. BACnet

requires flash download done at factory.
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Selects the communication protocol.
0 =
NOT SEL – No communication protocol selected.
1 =
STD MODBUS – Enables fieldbus communication with the drive using Modbus protocol via the RS485 serial link
(X1-communications terminal).
• See also parameter 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 parameter Group 51
EXT COMM MODULE.
5 =
BACNET – Enables fieldbus communication with the drive using BACnet protocol via the RS485 serial link (X1-
communications terminal).