Baldor Modbus Plus Installation And Operating Manual page 24

Data Exchange with the Modbus Plus Expansion Board
This section describes the register interface used for data exchange
with the Series H control. Motor drive parameters are mapped to
Modbus Plus "Data/Holding" registers (4xxxx). Parameters can be read
from or written to the Series H control by reading from or writing to the
appropriate Modbus Plus registers.
Common Area Register Mapping (All Series H Controls)
Register T#
Address
40001 –
41000 0
41001– 61
43999
44000–
46999
49012 41
Read/Write
Read/Write Watchdog polling flag (see Note 4)
Write Only Null Transaction (see Note 3)
Read/Write Baldor Control Parameters 1001–3999
(see Baldor Drive Installation & Operating Manual)
– Reserved for additions.
Read/Write Watchdog Time (0=disable) (10 ms minimum for
vector) (1 sec. minimum for inverter) (see Note 3)
Description
Software Setup 5-3