H5: Modbus Communication

H5-01

(0425)

Drive Node Address

Sets the communication slave address for drives.

1FH

(0 - FFH)

Details

H5-02

(0426)

Communication Speed Selection

Sets the communications speed for MEMOBUS/Modbus communications.

0

1200 bps

 

1

2400 bps

 

2

4800 bps

 

3

9600 bps

 

4

19.2 kbps

 

5

38.4 kbps

 

6

57.6 kbps

 

7

76.8 kbps

 

8

115.2 kbps

 

3

(0 - 8)

Details

H5-03

(0427)

Communication Parity Selection

Sets the communications parity used for MEMOBUS/Modbus communications.

0

No parity

 

1

Even parity

 

2

Odd parity

 

0

(0 - 2)

Details

H5-04

(0428)

Communication Error Stop Method

Sets the motor Stopping Method when the drive detects CE [Modbus Communication Error] issues.

0

Ramp to Stop

 

1

Coast to Stop

 

2

Fast Stop (Use C1-09)

 

3

Alarm Only

 

3

(0 - 3)

Details

H5-05

(0429)

Comm Fault Detection Selection

Sets the function that detects CE [Modbus Communication Error] issues during MEMOBUS/Modbus communications.

0

Disabled

 

1

Enabled

 

1

(0, 1)

Details

H5-06

(042A)

Drive Transmit Wait Time

Sets the time to wait to send a response message after the drive receives a command message from the master.

5 ms

(0 - 65 ms)

Details

H5-09

(0435)

CE Detection Time

Sets the detection time for CE [Modbus Communication Error] issues when communication stops.

2.0 s

(0.0 - 10.0 s)

Details

H5-10

(0436)

Modbus Register 0025H Unit Sel

Sets the unit of measure used for the MEMOBUS/Modbus communications monitor register 0025H (output voltage reference monitor).

0

0.1 V units

 

1

1 V units

 

0

(0, 1)

Details

H5-11

(043C)

Comm ENTER Command Mode

Sets the function to make the Enter command necessary to change parameters through MEMOBUS/Modbus communications.

0

ENTER Command Required

 

1

ENTER Command Not Required

 

0

(0, 1)

Details

H5-12

(043D)

Run Command Method Selection

Sets the input method for the Run command when b1-02 = 2 [Run Command Selection 1 = Memobus/Modbus Communications] or b1-16 = 2 [Run Command Selection 2 = Memobus/Modbus Communications].

0

FWD/Stop, REV/Stop

 

1

Run/Stop, FWD/REV

 

0

(0, 1)

Details

H5-17

(11A1)

Expert

ENTER command response @CPU BUSY

Sets operation when the EEPROM write command is sent without EEPROM write available. Usually it is not necessary to change this setting.

0

Ignore Command(No ROM/RAM Write)

 

1

Write to RAM Only

 

0

(0, 1)

Details

H5-18

(11A2)

Motor Speed Filter over Comms

Sets the filter time constant used when monitoring motor speed during MEMOBUS/Modbus communications or with a communication option.

0 ms

(0 - 100 ms)

Details

H5-20

(0B57)

Communication Parameters Reload

Sets the function to immediately enable updated MEMOBUS/Modbus communications parameters.

0

Reload at Next Power Cycle

 

1

Reload Now

 

0

(0, 1)

Details

H5-22

(11CF)

Speed Search from MODBUS

Enables the MEMOBUS/Modbus communication register Speed Search function (bit0 of 15DFH).

0

Disabled

 

1

Enabled

 

0

(0, 1)

Details

H5-25

(1589)

RUN

Function 5A Register 1 Selection

Returns the contents of the specified MEMOBUS/Modbus communications register when responding to the master device.

0044H (U1-05)

(0000H - FFFFH)

Details

H5-26

(158A)

RUN

Function 5A Register 2 Selection

Returns the contents of the specified MEMOBUS/Modbus communications register when responding to the master device.

0045H (U1-06)

(0000H - FFFFH)

Details

H5-27

(158B)

RUN

Function 5A Register 3 Selection

Returns the contents of the specified MEMOBUS/Modbus communications register when responding to the master device.

0042H (U1-03)

(0000H - FFFFH)

Details

H5-28

(158C)

RUN

Function 5A Register 4 Selection

Returns the contents of the specified MEMOBUS/Modbus communications register when responding to the master device.

0049H (U1-10)

(0000H - FFFFH)

Details