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
Control Word
Use both digital input and control word
as control.
[1]
Digital Only
Use digital input as control.
[2]
Control Word
Only
Use control word only as control.
NOTE
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.
8-06 Reset Control Word Timeout
Option:
Function:
Resetting the control word timeout will
remove any timeout function.
[0]
*
No Function Control word timeout is not reset.
[1]
Do Reset
Control word timeout is reset, and parameter
goes into
[0] No Function
state.
4.9.3 8-3* FC Port Settings
Parameters for configuring the FC Port.
8-30 Protocol
Option:
Function:
Select the protocol to be used. Note that
changing protocol will not be effective until
after powering off the frequency converter.
[0]
*
FC
[2]
Modbus RTU
8-31 Address
Range:
Function:
Select the address for the bus.
1
*
[1 - Protocol-dependent]
FC-bus range is 1-126.
Modbus range is 1-247.
8-32 FC Port Baud Rate
Option:
Function:
Select baud rate for FC Port.
NOTE
Changing baud rate will be effective after
responding to any ongoing bus-requests.
[0]
2400 Baud
[1]
4800 Baud
[2]
*
9600 Baud
When choosing FC bus in 8-30
[3]
*
19200 Baud When choosing Modbus in 8-30
[4]
38400 Baud
8-33 FC Port Parity
Option:
Function:
This parameter only affects Modbus
as FC bus always has even parity.
[0]
*
Even Parity (1 stopbit)
[1]
Odd parity
[2]
No Parity (1 stopbit)
Select this for Modbus RTU
[3]
No Parity (2 stopbit)
8-35 Minimum Response Delay
Range:
Function:
0.010 s
*
[0.001-0.500 s] Specify minimum delay time between
receiving a request and transmitting a
response.
Parameter Descriptions
VLT
®
Micro Drive FC 51 Programming Guide
MG02C602 - VLT
®
is a registered Danfoss trademark
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