Software Setup 5-3
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
Address
T#
Read/Write
Description
40001
–
Read/Write
Watchdog polling flag (see Note 4)
41000
0
Write Only
Null Transaction (see Note 3)
41001–
43999
61
Read/Write
Baldor Control Parameters 1001–3999
(see Baldor Drive Installation & Operating Manual)
44000–
46999
–
Reserved for additions.
49012
41
Read/Write
Watchdog Time (0=disable) (10 ms minimum for
vector) (1 sec. minimum for inverter) (see Note 3)
Summary of Contents for Modbus Plus
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