Trane TR200 Programming Manual page 130

[2] Control word only
8-02 Control Source
Option:
[0] None
[1] FC RS-485
[2] FC USB
[3] * Option A
[4] Option B
[5] Option C0
[6] Option C1
[30] External Can
NOTE: This parameter cannot be adjusted while the motor is running.
8-03 Control Timeout Time
Range:
Applica- [1.0 - 18000.0 s]
tion de-
pend-
ent*
8-04 Control Timeout Function
Option:
[0] * Off
TR200 Programming Guide
Control by using control word only.
Function:
Select the source of the control word: one of two serial interfaces or four
installed options. During initial power-up, the adjustable frequency drive
automatically sets this parameter to
communication bus option installed in slot A. If the option is removed,
the adjustable frequency drive detects a change in the configuration, sets
par.8-02 Control Source back to default setting
Drive Port
, and the adjustable frequency drive then trips. If an option is
installed after initial power-up, the setting of par.8-02
not change but the adjustable frequency drive will trip and display: Alarm
Option Changed
67 .
Function:
Enter the maximum time expected to pass between the reception of two
consecutive messages. If this time is exceeded, it indicates that the serial
communication has stopped. The function selected in par.8-04
Control Timeout Function
Timeout Function
In LonWorks, the following variables will trigger the Control Word Time
parameter:
nviStartStop
nviReset Fault
nviControlWord
nviDrvSpeedStpt
nviRefPcnt
nviRefHz
Function:
Select the timeout function. The timeout function is activated when the
control word fails to be updated within the time period specified in par.
8-03 Control Timeout Time. Choice [20] only appears after setting the
Metasys N2 protocol.
Parameter Description
Option A
[3] if it detects a valid serial
Adjustable Frequency
Control Source
will then be carried out.
will
Control
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