Installation guide

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)

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)