Danfoss VLT Programming Manual page 106

Parameter Description
3.14.3 14-2* Trip Reset
Parameters for configuring auto reset handling, special trip
handling and control card self test or initialisation.
14-20 Reset Mode
Option: Function:
Select the reset function after tripping.
Once reset, the frequency converter
can be restarted.
[0] Manual reset Select Manual reset [0], to perform a
*
reset via [RESET] or via the digital
inputs.
[1] Automatic reset x 1 Select Automatic reset x 1...x20 [1]-[12]
to perform between one and twenty
automatic resets after tripping.
[2] Automatic reset x 2
[3] Automatic reset x 3
[4] Automatic reset x 4
[5] Automatic reset x 5
[6] Automatic reset x 6
[7] Automatic reset x 7
[8] Automatic reset x 8
[9] Automatic reset x 9
[10] Automatic reset x 10
[11] Automatic reset x 15
[12] Automatic reset x 20
[13] Infinite auto reset Select Infinite Automatic Reset [13] for
continuous resetting after tripping.
NOTE
Automatic reset will also be active for resetting safe stop
function.
NOTE
The setting in 14-20 Reset Mode is disregarded in case of Fire
Mode being active (see parameter group 24-0*, Fire Mode).
14-21 Automatic Restart Time
Range: Function:
10 s [0 - 600 s] Enter the time interval from trip to start of the
*
automatic reset function. This parameter is
active when 14-20 Reset Mode is set to
Automatic reset [1] - [13].
14-22 Operation Mode
Option: Function:
Use this parameter to specify normal operation,
to perform tests or to initialise all parameters
except 15-03 Power Up's, 15-04 Over Temp's and
15-05 Over Volt's. This function is active only when
the power is cycled (power off-power on) to the
frequency converter.
®
VLT HVAC Drive Programming Guide
14-22 Operation Mode
Option:
[0]
*
[1]
[2]
®
MG.11.CB.02 - VLT is a registered Danfoss trademark
Function:
Normal Select Normal operation [0] for normal operation
operation of the frequency converter with the motor in the
selected application.
Control Select Control card test [1] to test the analog and
card test digital inputs and outputs and the +10 V control
voltage. The test requires a test connector with
internal connections.
Use the following procedure for the control card
test:
1. Select Control card test [1].
2. Disconnect the mains supply and wait
for the light in the display to go out.
3. Set switches S201 (A53) and S202 (A54)
= 'ON' / I.
4. Insert the test plug (see below).
5. Connect to mains supply.
6. Carry out various tests.
7. The results are displayed on the LCP and
the frequency converter moves into an
infinite loop.
8. 14-22 Operation Mode is automatically
set to Normal operation. Carry out a
power cycle to start up in Normal
operation after a control card test.
If the test is OK:
LCP read-out: Control Card OK.
Disconnect the mains supply and remove the test
plug. The green LED on the control card will light
up.
If the test fails:
LCP read-out: Control Card I/O failure.
Replace the frequency converter or control card.
The red LED on the control card is turned on. To
test the plugs, connect/group the following
terminals as shown below: (18 - 27 - 32), (19 - 29 -
33) and (42 - 53 - 54).
12 13 18 19
39 42 50 53
Initiali- Select Initialisation [2] to reset all parameter
sation values to default settings, except for 15-03 Power
27 29 32 33 20 37
54 55
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