Digital/Bus - Danfoss VLT HVAC Basic Drive Programming Manual

Parameters
8-33 Parity / Stop Bits
Option: Function:
[1] Odd Parity, 1 Stop Bit
[2] No Parity, 1 Stop Bit
[3] No Parity, 2 Stop Bits
8-35 Minimum Response Delay
Range: Function:
0.01 s [0.0010 - 0.5 s] Specify the minimum delay time
*
between receiving a request and
transmitting a response. This is used for
overcoming modem turnaround delays.
8-36 Maximum Response Delay
Range: Function:
Size related [0.1 - 10.0 Specify the maximum permissible
*
s] delay time between receiving a
request and transmitting the response.
If this time is exceeded, no response
will be returned.
8-37 Maximum Inter-char delay
Range: Function:
0.025 s [0.025 - 0.025 Specify the maximum delay time
*
s] between 2 characters in a message.
Exceeding this delay time will cause the
message to be discarded.

3.8.3 8-5* Digital/Bus

Parameters for configuring the control word Digital/Bus
merging.
8-50 Coasting Select
Option: Function:
Select control of the coasting function via the
terminals (digital input) and/or via the bus.
NOTE
This parameter is active only when
8-01 Control Site is set to [0] Digital and
control word.
[0] Digital Activates coast via a digital input.
input
[1] Bus Activates coast via the serial communication
port.
[2] Logic AND Activates coast via the fieldbus/serial communi-
cation port, AND additionally via one of the
digital inputs.
[3] Logic OR Activates coast via the serial communication port
*
OR via one of the digital inputs.
VLT HVAC Basic Drive Programming Guide
8-51 Quick Stop Select
Option:
[0]
[1]
[2]
[3]
8-52 DC Brake Select
Option:
[0]
[1]
[2]
[3]
8-53 Start Select
Option:
[0]
[1]
®
MG.18.B1.02 - VLT is a registered Danfoss trademark
Function:
Select control of the Quick Stop function via the
terminals (digital input) and/or via the bus.
NOTE
This parameter is active only when
8-01 Control Site is set to [0] Digital and
control word.
Digital
input
Bus Activates Quick stop via the serial communi-
cation port.
Logic AND Activates Quick stop via the serial communi-
cation port, AND additionally via one of the
digital inputs.
Logic OR Activates Quick stop via the serial communi-
*
cation port OR via one of the digital inputs.
Function:
Select control of the DC brake via the terminals
(digital input).
NOTE
This parameter is active only when
8-01 Control Site is set to [0] Digital and
control word.
Digital Activates DC brake via a digital input.
input
Bus Activates DC brake via the serial communication
port.
Logic AND Activates DC brake via the serial communication
port, AND additionally via one of the digital
inputs.
Logic OR Activates DC brake via the serial communication
*
port OR via one of the digital inputs.
Function:
Select control of the frequency converter start
function via the terminals (digital input).
NOTE
This parameter is active only when
8-01 Control Site is set to [0] Digital and
control word.
Digital Activates Start command via a digital input.
input
Bus Activates Start command via the serial communi-
cation port.
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