Danfoss VLT CDS302 Operating Instructions Manual page 62

Parameter Descriptions
Unchanged speed
Reduced by %-value
Increased by %-value
Reduced by %-value
Table 6.6
[22] Speed down
6 6
[23] Set-up select
bit 0
[24] Set-up select
bit 1
[28] Catch up
[29] Slow down
[30] Counter input Precise stop function in 1-83 Precise Stop
[32] Pulse input
[34] Ramp bit 0
[35] Ramp bit 1
Preset ramp bit
Ramp 1
Ramp 2
Ramp 3
Ramp 4
Table 6.7
[36] Mains failure
inverse
[39] Day/Night
Control
[41] Latched Precise
Stop inverse
[55] DigiPot Increase
62
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
0
1
0
1
Same as Speed up [21].
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.
(Default Digital input 32): Same as [23] Set-
up select bit 0.
Increases or reduces reference value set in
3-12 Catch up/slow Down Value.
[28] Same as Catch up.
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.
Use pulse sequence as either reference or
feedback. Scaling is done in parameter
group 5-5* Pulse Input.
Enables a choice between one of the 4
ramps available, according to Table 6.7.
Same as [34] Ramp bit 0.
1
0
0
1
1
Activates 14-10 Mains Failure. Mains
failure inverse is active in the Logic .0.
situation.
Reduce the max. frequency with the
setting in 28-74 Night Speed Drop [RPM].
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.
INCREASE signal to the Digital Potenti-
ometer function described in parameter
group 3-9* Digital Potmeter.
MG34M302 - VLT
®
Operating Instructions VLT CDS302 and CDS303
[56] DigiPot Decrease
[57] DigiPot Clear
Catch up
[60] Counter A
0
0
[61] Counter A
1
1
[62] Reset Counter A
[63] Counter B
[64] Counter B
[65] Reset Counter B
[70] Mech. Brake
Feedback
[71] Mech. Brake
Feedback inv.
[80] PTC Card 1
[121] Lead Pump
Alternation
[130] Compressor
Interlock
[131] Compressor
Interlock
[132] Compressor
Interlock
0
5-10 Terminal 18 Digital Input
0
Option:
1
[8] Start Functions are described under parameter group 5-1*
*
0
1
5-11 Terminal 19 Digital Input
Option:
[10] Reversing Functions are described under parameter group
*
5-12 Terminal 27 Digital Input
Option:
[2] Coast inverse Functions are described under parameter
*
5-13 Terminal 29 Digital Input
Option:
®
is a registered Danfoss trademark/Commercial Compressor
DECREASE signal to the Digital Potenti-
ometer function described in parameter
group 3-9* Digital Potmeter
Clears the Digital Potentiometer
reference described in parameter group
3-9* Digital Potmeter
(Terminal 29 or 33 only) Input for
increment counting in the SLC counter.
(Terminal 29 or 33 only) Input for
decrement counting in the SLC counter.
Input for reset of counter A.
(Terminal 29 or 33 only) Input for
increment counting in the SLC counter.
(Terminal 29 or 33 only) Input for
decrement counting in the SLC counter.
Input for reset of counter B.
Brake feedback for hoisting applications
Inverted brake feedback for hoisting
applications
All Digital Inputs can be set to [80] PTC
Card 1. However, only one Digital Input
must be set to this choice.
Use with cascade controller. Logic 1 will
stop the fixed speed compressor and
give a warning
Use with cascade controller. Logic 1 will
stop the fixed speed compressor and
give a warning
Use with cascade controller. Logic 1 will
stop the fixed speed compressor and
give a warning
Function:
Digital Inputs
Function:
5-1* Digital Inputs
Function:
group 5-1* Digital Inputs
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.