Modbus Parameters; Modbus Parameters In The M-Max - Eaton M-Max Series User Manual

Serial Interface (Modbus RTU)

Modbus Parameters

The following table shows the Modbus parameters in the M-Max.
RUN Indicates the access during operation (FWD or REV)
X = No parameter change possible,
= Parameter change possible.

Modbus Parameters in the M-Max

Access
PNU ID RUN ro/rw
S2.1 808 X ro
S2.2 809 rw
S2.3 810 rw
S2.4 811 rw
S2.6 813 rw
S2.7 814 rw
S2.8 815 rw
Drives Control
P6.1 125 rw
P6.2 117 rw
Note
When the fieldbus is connected (option, for example, CANopen, PROFIBUS DP, and so on) modified ID numbers and different factory settings are stored here.
Detailed information is provided in the specific manuals of the relevant fieldbus interface module.
132 M-Max Series Adjustable Frequency Drive MN04020003E—October 2013 www.eaton.com
Designation
Communication status
Fieldbus protocol
Slave address
Baud rate
Parity type
Timeout up to fieldbus
error (error 53) if no
master messages are
received although
Modbus is still active.
Reset communication
status
xx and yyy are reset to 0
Control place 1
Setpoint Source
ro/rw Indicates the access via the fieldbus
ro = Read only possible,
rw = Read and write possible.
Value Range
Format xx.yyy
xx = Number of received faulty messages (0–64)
yyy = Number of received correct messages (0–999)
0 = Fieldbus deactivated
1 = Modbus
1–255
0 = 300
1 = 600
2 = 1200 (1.2k Baud)
3 = 2400 (2.4k Baud)
4 = 4800 (4.8k Baud)
5 = 9600 (9.6k Baud)
6 = 19200 (19.2k Baud)
7 = 38400 (38.4k Baud)
8 = 57600 (57.6k Baud)
0 = None l 2 Stop bits
1 = Even 1 Stop bit
2 = Odd 1 Stop bit
0 = Not used
1 = 1s
2 = 2s
...255 = up to 255s
0 = Not used
1 = resets parameter S2.1
1 = Control signal terminals (I/O)
2 = Control unit (KEYPAD)
3 = Interface (BUS)
0 = Fixed frequency (FF0)
1 = Control unit (KEYPAD)
2 = Interface (BUS)
3 = AI1 (analog setpoint 1)
4 = AI2 (analog setpoint 2)
FS
(P1.3)
0.000
0
1
5
0
0
0
1
3