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
