MAXA i-32V5C MIDI 0121, Manual

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Controllo per i-32V5 MIDI
Air/water inverter chillers and heat pumps with axial fans
Alarm code DESCRIPTION Block
E042
Insufficient heat exchange alarm Macchine/Sanitary
E050
High DHW tank temperature alarm -
E611
Water inlet probe failure Machine
E621
Water outlet probe failure Machine
E631
Compressor suction probe failure Machine
E641
Compressor discharge probe failure / high pressure switch intervention Machine
E651
External air / fan thermal probe failure Machine
E661
DHW probe failure (ST6) Machine
E671
Fault in remote plant probe (ST7) Machine
E691
Low pressure transducer failure Machine
E701
High pressure transducer failure Machine
E711
Fault in voltage input 0-10V DC Machine
E801
Inverter communication timeout Compressor
E851
Inverter hardware problem Compressor
E861
Motor current too high Compressor
E871
High inverter heatsink temperature Compressor
E881
Supply voltage out of limits (DC bus) Compressor
E891
Compressor not connected Compressor
E901
Wrong compressor model Compressor
E911
Overload protection Compressor
E921
PFC/POE overcurrent Compressor
E931
Internal communication error Compressor
E941
PFC fault Compressor
E951
Heatsink and/or ambient temperature sensor fault Compressor
E961
Abnormal condition Compressor
E971
EEPROM error Compressor
24. MODBUS VARIABLES
The control has the following modbus configuration by default:
• Baud rate: 9600
• Parità: EVEN
• Data bit: 8
• Stop bit: 1
• Device ID: 1
To configure the Modbus communication according to your requirements, you must modify the following parameters:
Parameter VALUE Function
H124
0 Baud rate 4800 bit/s
1 Baud rate 9600 bit/s
2 Baud rate 19200 bit/s
3 Baud rate 38400 bit/s
H125
0 Parity NONE e stop bit 2
1 Parity ODD e stop bit 1
2 Parity EVEN e stop bit 1
3 Parity NONE e stop bit 1
H126
1 ÷ 120 Serial address (Device ID)
The following table lists the Modbus registers of the control:
Register Format Bit R/W Range Name Description Note
1 INT - R -
Data version
Firmaware version
2 INT - R - Firmware release
3
BYTE (H) - R - Firmware sub-release
BYTE (L) - R - Firmware creation day
4
BYTE (H) - R - Firmaware creation month
BYTE (L) - R - Firmware creation year
10 BOOL
0 R -
Digital inputs
ID1 (flow swich)
1 ID 2 If active
2 ID 3 (on/off) Active by default