Parameter Group 8: Communication - Danfoss FC 51 Series Programming Manual

Parameter Descriptions

4.9 Parameter Group 8: Communication

4.9.1 8-** Communication
Parameter group for configuring communication.
4.9.2 8-0* General Settings
Use this parameter group for configuring the general
settings for communication.
8-01 Control Site
Option: Function:
[0] Digital and Use both digital input and control word
*
Control Word as control.
[1] Digital Only Use digital input as control.
[2] Control Word Use control word only as control.
NOTE
Only
The setting in this parameter
overrules settings in 8-50 Coasting
Select to 8-56 Preset Reference Select.
8-02 Control Word Source
Option: Function:
[0] None Function is inactive
[1] FC RS-485 Monitoring control word source is done via
*
serial communication port RS-485.
8-03 Control Word Timeout Time
Range: Function:
1.0 s [0.1-6500 s] Enter time to pass before control word
*
timeout function (8-04 Control Word Timeout
Function) must be carried out.
8-04 Control Word Timeout Function
Option: Function:
Select the action to be taken in case of a
timeout.
[0] Off No function.
*
[1] Freeze Output Freeze output until communication
resumes.
[2] Stop Stop with auto restart when communication
resumes.
[3] Jogging Run motor at jog frequency until communi-
cation resumes.
[4] Max. Speed Run motor at max. frequency until
communication resumes.
[5] Stop and Trip Stop motor, then reset frequency converter
in order to restart either via LCP or digital
input.
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8-06 Reset Control Word Timeout
Option:
[0]
[1]
4.9.3 8-3* FC Port Settings
Parameters for configuring the FC Port.
8-30 Protocol
Option:
[0]
[2]
8-31 Address
Range:
1
*
8-32 FC Port Baud Rate
Option:
[0]
[1]
[2]
[3]
[4]
8-33 FC Port Parity
Option:
[0]
[1]
[2]
[3]
8-35 Minimum Response Delay
Range:
0.010 s
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Function:
Resetting the control word timeout will
remove any timeout function.
No Function Control word timeout is not reset.
*
Do Reset Control word timeout is reset, and parameter
goes into [0] No Function state.
Function:
Select the protocol to be used. Note that
changing protocol will not be effective until
after powering off the frequency converter.
FC
*
Modbus RTU
Function:
Select the address for the bus.
[1 - Protocol-dependent] FC-bus range is 1-126.
Modbus range is 1-247.
Function:
Select baud rate for FC Port.
NOTE
Changing baud rate will be effective after
responding to any ongoing bus-requests.
2400 Baud
4800 Baud
9600 Baud When choosing FC bus in 8-30
*
19200 Baud When choosing Modbus in 8-30
*
38400 Baud
Function:
This parameter only affects Modbus
as FC bus always has even parity.
Even Parity (1 stopbit)
*
Odd parity
No Parity (1 stopbit) Select this for Modbus RTU
No Parity (2 stopbit)
Function:
[0.001-0.500 s] Specify minimum delay time between
*
receiving a request and transmitting a
response.
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