Ascon Tecnologic - X34 - OPERATING INSTRUCTIONS - PAG. 27
10.2 Mechanical characteristics
Housing: Self-extinguishing plastic, UL 94 V0;
Heat and fire resistance category: D;
Ball Pressure Test as described in EN60730: accessible
parts 75°C; support live parts 125°C;
Dimensions: 78 x 35 mm, depth 64 mm (+12.5 or +14.5
mm depending on the terminal block type);
Weight: about 150 g;
Mounting: Incorporated flush in panel in a 71 x 29 mm hole
(max. panel thickness 12 mm);
Connections:
Inputs: fixed or removable terminal block for
0.14...1.5 mm
2
/AWG 28...16 cables;
Power supply and Outputs: fixed or removable terminal
block for 0.2 ÷ 2.5 mm
2
/AWG 24 ÷ 14 cables;
Protection degree: IP65 (NEMA 3S) mounted with the op-
tional screw baracket installed;
Pollution degree: 2;
Operating temperature: 0 ÷ 50°C;
Operating humidity: < 95 RH% with no condensation;
Storage temperature: -25 ÷ +60°C.
10.3 Functional features
Temperature Control: ON/OFF mode;
Defrost control method: Interval cycles, at set times, or evapo-
rator temperature by Electric Heating, by hot-gas/reverse cycle
or stopping compressor;
Measurement range:
NTC: -50 ÷ +109°C/-58 ÷ +228°F;
PTC: -50 ÷ +150°C/-58 ÷ 302°F;
Pt1000: -99.9
÷
300°C/-99.9
÷
572°F;
Display resolution: 1° or 0.1° (range -99.9 ÷ +99.9°);
Overall accuracy: ±(0.5% fs + 1 digit);
Sampling rate: 800 ms;
Clock accuracy at 25°C: ±15.8 minutes/year;
Maintaining the internal clock without power supply:
About 5 years (with internal lithium battery);
Type of Communications Interface: Isolated RS485;
Interface Communications protocol: MODBUS RTU (JBUS);
Serial communications speed:
Selectable: 9600, 19200, 38400 baud;
Display: 3 Digit Red (Blue optional), height 15.5 mm;
Software class and structure: Class A;
Compliance: Directive 2004/108/CE (EN55022: class B;
EN61000-4-2: 8kV air, 4kV cont.; EN61000-4-3: 10V/m;
EN61000-4-4: 2kV supply and relay outputs, 1kV inputs;
EN61000-4-5: supply 2kV com. mode, 1 kV\diff. mode;
EN61000-4-6: 3V), Directive 2006/95/CE (EN 60730-1,
EN 60730-2-9), Control 37/2005/CE (EN13485 air, S, A, 2,
-50°C +90°C with probe NTC 103AT11 or Pt1000 clas B or
better).
11. HOW TO ORDER
MODEL
X34 - Instrument with mechanical keyboard
X34S - Instrument with Sensitive Touch keyboard
a: POWER SUPPLY
H = 100 ÷ 240 VAC
G = 12 ÷ 24 VAC/VDC
b: OUT3 OUTPUT
R =
Out3 Relay SPST-NO 5A
(for resistive loads)
- =
Not present
d: Buzzer
B =
Buzzer
- = Not present
c: OUT4 OUTPUT
R =
Out4 Relay SPST-NO 5A
(for resistive loads)
- =
Not present
c: TERMINALS
- = Fixed Screw power terminals (standard);
E = Removable screw power terminals;
N = Removable screw power terminals
(the fixed part only).
f: DISPLAY
- =
Red
L =
Blue
g: Clock
- =
Not present
C =
Clock
h: Serial interface
- =
Not present
S =
RS485
ca-X34 b-e- -hi ll mmj
i, j, k: RESERVED CODES;
ll, mm: SPECIAL CODES.
k
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