dixell xc440c - Technical Features; Alarm List; Types of Alarms and Signalling Managed; A12: Configuration Alarm

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Operating instructions cod. 1592001300
1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0
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17. Technical features
Housing:
Self extinguishing ABS.
Case:
Front panel 32x74 mm, depth 60mm (“C” format);
Mounting :
“C” format panel mounting in a 29x71 mm panel cut-out
Protection:
IP65.
Frontal protection:
IP65 with frontal gasket mod RG-C model.
Connections:
screw terminal block,
Power supply:
12Vac/dc
±
10%, 24Vac/dc
±
10%, 50-60Hz.
Power absorption:
5VA max.
Display:
3 digits red led and 4 digit orange led.
Inputs:
1 NTC probe, or 1 PTC probe or 1 4÷20mA transducer.
Digital inputs
: 5 free voltage
Relay outputs:
5 relay SPST 8(3)A, 250Vac
Serial output :
TTL standard
Communication protocol:
ModBus – RTU
Data storing:
on the non-volatile memory (EEPROM).
Kind of action:
1B;
Pollution grade:
normal;
Software class:
A.
Operating temperature:
0÷60 °C.;
Storage temperature:
-25÷60 °C.
Relative humidity:
20
÷
85% (no condensing)
Measuring range: NTC probe:
-40÷110°C.
Resolution:
0,1 °C or 1°C;
Accuracy (ambient temp. 25°C)
: ±0,7 °C ±1 digit
18. Alarm list
Usually alarm conditions are signalled by means of:
1. Activation of alarm output relay
2. Buzzer activation
3. Message on proper display
4. Log of alarm: code and duration.
The table at paragraph 18.3
18.1 Types of alarms and signalling managed
18.1.1 A12: Configuration alarm
The following configuration parameters are checked after each modification.:
OA1 ÷ OA4
Outputs 1- 4 configuration
CtyP
Compressor type
When these parameters are set in wrong way an alarm message is generated:
the label A12 is shown on the upper display, while the lower display signals what wrong setting
has created the error:
The following table contains the displayed messages:
Mess. Errata Corrige
nLod
Number of loads higher
than loads available in the
•
Check number of oAi set as load, this
number has to be lower of equal to the