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Section 5
Register Map for Modbus Plus
Configure Control Software for Modbus Plus Mode
The Series H control operating mode must be set to Serial to use the
Modbus Plus expansion board. There is no selection for Modbus Plus
on the Level 1 Input block Operating mode parameter list. However,
selecting Serial with the Modbus Plus expansion board installed will
allow operation of the Modbus Plus board.
Many commands in the Command Language can be used regardless of
the setting of the control's Operating Mode parameter (such as
changing and viewing parameters). However, commands intended to
control the motor shaft require the control be in the Serial (Modbus Plus)
Mode.
Note: The firmware version of the Series H control must support the
Baldor Binary Protocol (BBP). To confirm that BBP is supported,
perform the following:
Scroll to the Level 2 Communications block, and view the
selections. If RS485BBP is available, the software version is
compatible with the Modbus Plus expansion board. Otherwise,
contact Baldor to obtain a software update.
During power up, the control checks if the communication board
is installed. If an RS485 board is installed, the RS485BBP
protocol is automatically selected during power up.
Action
Apply
Display illuminates
Power
If no fault is found and
control is programmed for
local mode,OR,
If no fault is found and
control is programmed for
remote mode
Press
Access programming mode.
PROG key
Press Y
Scroll to Level 1 Input block
or B key
Press
First selection choice
Enter key
Press
Flashing cursor indicates
Enter key
mode can be changed
Description
Display
BALDOR
MOTORS & DRIVES
STP MOTOR SPEED
LOCAL
0RPM
STP MOTOR SPEED
REMOTE
0RPM
PRESS ENTER FOR
PRESET SPEEDS
PRESS ENTER FOR
INPUT
OPERATING MODE
P:
KEYPAD
OPERATING MODE
KEYPAD
Software Setup 5-1
Comments
Logo is
displayed for 5
seconds.
Display mode.
Display mode.
First screen in
programming
mode
Input Block.
Now in keypad
mode.
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