2.1.4 Error Codes
Error Code 00 is issued after power up or after a time out where all overridden points were released, as long as no Identify yourself
command has been issued by the master.
Error Code 01 is issued if the command is not supported or not known by the drive.
Error Code 02 is issued if the received telegram has a checksum error.
Error Code 03 is issued if the N2 telegram receive buffer exceeds 256 characters.
Error Code 05 is issued if the received N2 telegram is too long.
Error Code 10 is issued the data is out of expected range
Error Code 11 is issued when:
1. A point attributes or attribute bit is unused.
2. A point attributes or attribute bit is for JCI use only.
3. An internal data point attribute for current value can not be changed while running
Error Code 12 is issued when:
1. The N2 master tries to change attribute 2 bit 6 "Current State" on a BO and the drive is tripped.
2. The N2 master tries to change attribute 2 bit 6 "Current State" on a BO and the drive is trip locked except for BO 5
"reset"
2.1.5 VLT Parameters
The following parameters may need to be manually set for each drive in the Metasys N2 network. Refer to the VLT HVAC Drive
Design Guide, MG.11.Bx.yy, or VLT AQUA Drive Design Guide, MG.20.Nx.yy, for the frequency converter for programming.
Parameter list
VLT Parameter Description Default Desired Setting
8-01 Control Side Digital & Ctrl. Word
8-02 Control Source FC Port FC Port
8-03 Control Word Timeout 60 s 1-18000 s
8-30 Protocol FC Metasys N2
8-31 Address 1 1-255
8-32 Baud Rate 9600 Fixed to 9600
8-33 Parity Even, 1stop Fixed to No Parity, 1stop
8-37 Maximum Inter-char Delay 25 s for Metasys N2
Instructions
VLT
®
Metasys
4 MG.11.G2.02 - VLT
®
is a registered Danfoss trademark
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