AuCom Modbus RTU Card Instructions Manual page 5

4.4 Parameter Management
Parameters can be read from and written to the starter. The Modbus RTU Card can
read or write a maximum of 125 registers in one operation.
CAUTION
Do not change the default values of the Advanced parameters (parameter
group 20). Changing these values may cause unpredictable behaviour in the soft
starter.
4.5 Standard Mode
Command and Configuration Registers (Read/Write)
Register Description
40001 Command
(single write)
Reserved
40002
Reserved
40003
Reserved
40004
Reserved
40005
Reserved
40006
Reserved
40007
Reserved
40008
40009 ~ Parameter
40xxx management
(single or
multiple
read/write)
Modbus RTU Card (710-16499-00B)
Bits Details
0 to 7 To send a command to the starter, write the
required value:
00000000 = Stop
00000001 = Start
00000010 = Reset
00000100 = Quick stop (coast to stop)
00001000 = Forced communication trip
00010000 = Start using Parameter Set 1
00100000 = Start using Parameter Set 2
01000000 =
10000000 =
Reserved
8 to 14
15 Must = 1
0 to 15 Manage soft starter programmable
parameters. Refer to the relevant soft starter
literature for a complete parameter list.
Reserved
Reserved
INSTRUCTIONS
5