ABB ACH550-01 User Manual page 296

Group 52: PANEL COMM
This group defines the communication settings for the control
panel port on the drive. Normally, when using the supplied
control panel (operator keypad), there is no need to change
settings in this group.
In this group, parameter modifications take effect on the next
power-up.
Code Description
5201 STATION ID
Defines the address of the drive.
• Two units with the same address are not allowed on-line.
• Range: 1...247.
5202 BAUDRATE
Defines the communication speed of
the drive in kbits per second (kb/s).
9.6 kb/s
19.2 kb/s
38.4 kb/s
57.6 kb/s
115.2 kb/s
5203 PARITY
Sets the character format to be used with the panel communication.
0 = 8 1 – No parity, one stop bit.
N
1 = 8 2 – No parity, two stop bits.
N
2 = 8 1 – Even parity, one stop bit.
E
3 = 8 1 – Odd parity, one stop bit.
O
5204 OK MESSAGES
Contains a count of valid Modbus messages received by the drive.
• During normal operation, this counter is increasing constantly.
5205 PARITY ERRORS
Contains a count of the characters with a parity error that is received
from the bus. For high counts, check:
• Parity settings of devices connected on the bus – they must not differ.
• Ambient electro-magnetic noise levels – high noise levels generate
errors.
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ACH550 User's Manual
Range
1...247
9.6, 19.2, 38.4, 57.6,
115.2 kb/s
0...3
0...65535
0...65535
Parameter listing and descriptions