Danfoss VLT HVAC, Руководство по программированию

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3.8 Main Menu - Communications and
Options - Group 8
3.8.1 8-0* General Settings
8-01 Control Site
Option: Function:
Select Digital and ctrl.word [0] for using
digital input and control word. Select
Digital only [1] to use digital inputs only.
Select Control word only [2] to use control
word only. This parameter overrules
settings in
8-50 Coasting Select to
8-56 Preset Reference Select .
[0]
*
Digital and
ctrl.word Control by using both digital input and
control word.
[1] Digital only Control by using digital inputs only.
[2] Controlword
only Control by using control word only.
8-02 Control Source
Option: Function:
Select the source of the control word.
[0] None
[1]
*
FC Port
NOTE
This parameter cannot be adjusted while the motor is
running.
8-03 Control Timeout Time
Range: Function:
1.0 s
*
[0.1 -
6500.0 s] Enter the maximum time expected to pass
between the reception of two consecutive
telegrams. If this time is exceeded, it indicates
that the serial communication has stopped.
The function selected in
8-04 Control Timeout
Function Control Time-out Function will then
be carried out.
8-04 Control Timeout Function
Option: Function:
Select the timeout function. The time-
out function is activated when the
control word fails to be updated within
the time period specified in
8-03 Control Timeout Time .
[0]
*
Off
[1] Freeze output
[2] Stop
[3] Jogging
[4] Max. speed
[5] Stop and trip
8-04 Control Timeout Function
Option: Function:
[20] N2 Override Release
8-06 Reset Control Word Timeout
Option: Function:
[0]
*
No function
[1] Do reset Reset control word timeout.
3.8.2 8-3* FC Port Settings
8-30 Protocol
Option: Function:
Select the protocol for the integrated RS-485
port.
[0]
*
FC Communication according to the FC Protocol.
[2] Modbus RTU Communication according to the Modbus RTU
protocol.
[3] Metasys N2 Communication protocol. The N2 software
protocol is designed to be general in nature in
order to accommodate the unique properties
each device may have.
[5] BACNet
NOTE
Further details can be found in the Metasys manual.
8-31 Address
Range: Function:
1.0
*
[0.0 - 247 ] Enter the address for the RS-485 port. Valid
range: 1 - 126 for FC-bus OR 1-247 for Modbus.
8-32 Baud Rate
Option: Function:
Select the baud rate for the RS-485 port
[0] 2400 Baud
[1] 4800 Baud
[2]
*
9600 Baud
[3] 19200 Baud
[4] 38400 Baud
[5] 57600 Baud
[6] 76800 Baud
[7] 115200 Baud
Default refers to the FC Protocol.
8-33 Parity / Stop Bits
Option: Function:
Parity and Stop Bits for the protocol
using the FC Port. For some of the
protocols, not all options are
available.
[0]
*
Even Parity, 1 Stop Bit
Parameters VLT HVAC Basic Drive Programming Guide
46 MG.18.B1.02 - VLT
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is a registered Danfoss trademark
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