FM-3 Programming Module Installation Manual

Press down on the latch located on the top of the FM.

Grip the FM

1

on each side

 

of the LCD.

 

2

Gently pull the FM away from the drive. A slight rocking motion may be used to loosen the FM's connector.

3

4

Continue pulling the top of the FM away from the drive until the connector clears the drive. Lift the FM out of the aligning tab slot and away from the drive.

Figure 4: Detaching the FM-3 from the Drive Connections

Caution

Do not attach or detach the FM-3 when power is applied to the drive It could cause drive instability.

Modbus Communications

The drive’s serial communication protocol is Modbus RTU slave with a 32 bit data extension. The Modbus protocol is available on most operator interface panels and PLC’s.

Serial Communications Specifications

Max baud rate

Start bit

Stop bit

Parity

Data

19.2k (default)

1

2

none

8

EMERSON Motion Control’s Motion Interface panels are supplied with a Modbus master communications driver.

4

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Emerson 400508-02 installation manual Modbus Communications, Grip the FM On each side LCD

400508-02 specifications

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