up/ down is activated for less than 400 ms the
resulting reference will be increased/ decreased by
0.1 %. If Speed up/ down is activated for more
than 400 ms the resulting reference will follow the
setting in ramping up/ down parameter 3-x1/ 3-x2.
Shut down
Catch up
Unchanged speed
0
0
Reduced by %-value
1
0
Increased by %-value
0
1
Reduced by %-value
1
1
Table 6.6
[22] Speed down
Same as Speed up [21].
[23] Set-up select
bit 0
Select Set-up select bit 0 or Select Set-up
select bit 1 to select one of the four set-ups.
Set
0-10 Active Set-up
to Multi Set-up.
[24] Set-up select
bit 1
(Default Digital input 32): Same as
[23] Set-
up select bit 0
.
[28] Catch up
Increases or reduces reference value set in
3-12 Catch up/slow Down Value
.
[29] Slow down
[28] Same as Catch up
.
[30] Counter input Precise stop function in
1-83 Precise Stop
Function
acts as Counter stop or speed
compensated counter stop with or without
reset. The counter value must be set in
1-84 Precise Stop Counter Value
.
[32] Pulse input
Use pulse sequence as either reference or
feedback. Scaling is done in parameter
group
5-5* Pulse Input
.
[34] Ramp bit 0
Enables a choice between one of the 4
ramps available, according to
[35] Ramp bit 1
Same as
[34] Ramp bit 0
.
Preset ramp bit
1
0
Ramp 1
0
0
Ramp 2
0
1
Ramp 3
1
0
Ramp 4
1
1
Table 6.7
[36]
Mains failure
inverse
Activates
14-10 Mains Failure
. Mains
failure inverse is active in the Logic .0.
situation.
[39]
Day/Night
Control
Reduce the max. frequency with the
setting in
28-74 Night Speed Drop [RPM]
.
[41]
Latched Precise
Stop inverse
Sends a latched stop signal when the
precise stop function is activated in
1-83 Precise Stop Function
. The Latched
Precise stop inverse function is available
for terminals 18 or 19.
[55]
DigiPot Increase
INCREASE signal to the Digital Potenti-
ometer function described in parameter
group
3-9* Digital Potmeter
.
[56]
DigiPot Decrease DECREASE signal to the Digital Potenti-
ometer function described in parameter
group
3-9* Digital Potmeter
[57]
DigiPot Clear
Clears the Digital Potentiometer
reference described in parameter group
3-9* Digital Potmeter
[60]
Counter A
(Terminal 29 or 33 only) Input for
increment counting in the SLC counter.
[61]
Counter A
(Terminal 29 or 33 only) Input for
decrement counting in the SLC counter.
[62]
Reset Counter A
Input for reset of counter A.
[63]
Counter B
(Terminal 29 or 33 only) Input for
increment counting in the SLC counter.
[64]
Counter B
(Terminal 29 or 33 only) Input for
decrement counting in the SLC counter.
[65]
Reset Counter B
Input for reset of counter B.
[70]
Mech. Brake
Feedback
Brake feedback for hoisting applications
[71]
Mech. Brake
Feedback inv.
Inverted brake feedback for hoisting
applications
[80]
PTC Card 1
All Digital Inputs can be set to
[80] PTC
Card 1
. However, only one Digital Input
must be set to this choice.
[121] Lead Pump
Alternation
[130] Compressor
Interlock
Use with cascade controller. Logic 1 will
stop the fixed speed compressor and
give a warning
[131] Compressor
Interlock
Use with cascade controller. Logic 1 will
stop the fixed speed compressor and
give a warning
[132] Compressor
Interlock
Use with cascade controller. Logic 1 will
stop the fixed speed compressor and
give a warning
5-10 Terminal 18 Digital Input
Option:
Function:
[8]
*
Start Functions are described under parameter group
5-1*
Digital Inputs
5-11 Terminal 19 Digital Input
Option:
Function:
[10]
*
Reversing Functions are described under parameter group
5-1* Digital Inputs
5-12 Terminal 27 Digital Input
Option:
Function:
[2]
*
Coast inverse Functions are described under parameter
group
5-1* Digital Inputs
5-13 Terminal 29 Digital Input
Option:
Function:
Select the function from the available
digital input range and the additional
options [60], [61], [63] and [64].
Counters are used in Smart Logic
Control functions.
Parameter Descriptions
Operating Instructions VLT
®
CDS302 and CDS303
62
MG34M302 - VLT
®
is a registered Danfoss trademark/Commercial Compressor
6
6