Vacon CX Manual

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Service: +358-40-8371 150 E-mail: vacon@vacon.com
Page 30 Vacon
Pump and fan control with autochange
3. 15 Active reference limit, supervision function
0 = No supervision
1 = Low limit supervision
2 = High limit supervision
If the reference value goes under/over the set limit (3. 16) this function generates a
warning message via the digital output DO1 or via a relay output RO1 or
RO2 depending on the settings of the parameters 3. 6—3. 8. The supervised
reference is the current active reference. It can be source A or B reference depending
on DIB6 input or panel reference if the panel is the active control source.
3. 16 Active reference limit, supervision value
The frequency value to be supervised by the parameter 3. 15.
3. 17 External brake-off delay
3. 18 External brake-on delay
With these parameters the timing of external brake can be linked to the Start
and Stop control signals, see figure 6-11.
The brake control signal can be programmed via the digital output DO1 or via one
of relay outputs RO1 and RO2, see parameters 3. 6—3. 8.
The temperature value to be supervised by the parameter 3. 20.
t
OFF
= Par. 3. 17 t
ON
= Par. 3. 18
t
OFF
= Par. 3. 17 t
ON
= Par. 3. 18
t
a)
t
b)
UD012K45
DIA1: RUN FWD
STOP
External
BRAKE: OFF
ON
Digital or
relay output
DIA2: RUN REV
STOP
DIA1: START
PULSE
External
BRAKE: OFF
ON
Digital or
relay output
DIA2: STOP
PULSE
Figure 6-11 External brake control:
a) Start/Stop logic selection par. 2. 1 = 0, 1 or 2
b)Start/Stop logic selection par. 2. 1 = 3.

Vacon CX Specifications

General

Brand	Vacon
Model	CX
Category	Media Converter
Language	English