Ascon tecnologic R38 Quick Manual

MICROPROCESSOR BASED
DIGITAL ELECTRONIC CONTROLLER
ASCON TECNOLOGIC S.r.l.
Viale Indipendenza 56, 27029 - VIGEVANO (PV) ITALY
TEL.: +39 0381 69871 - FAX: +39 0381 698730
http:\\www.ascontecnologic.com
e-mail: info@ascontecnologic.com
1. OUTLINE DIMENSIONS (mm)
Out1 Tun
Out2 AL
1.1 Mounting requirements
This instrument is intended for permanent installation, for
indoor use only, in an electrical panel which encloses the rear
housing, exposed terminals and wiring on the back.
Select a mounting location having the following characteristics:
- It should be easily accessible;
- There is minimum vibrations and no impact;
- There are no corrosive gases;
- There are no water or other fluids (i.e. condensation);
- The ambient temperature is in accordance with the opera-
tive temperature (0 ÷ 50°C);
- The relative humidity is in accordance with the instrument
specifications (20 ÷ 85%).
The instrument can be mounted on panel (thickness 12 or 29 mm
max.). When the maximum front protection (IP65) is desired,
the optional screw type bracket (#2) must be mounted.
2. CONNECTION DIAGRAM
- +
C NC
1 2
OUT2
R38: 100/240 Vac model
- +
C NC
1 2
OUT2
R38: 24 Vac/dc - 12 Vdc models
General notes about wiring
- Do not run input wires together with power cables;
- External components (like zener barriers, etc.) connected
between sensor and input terminals may cause errors in
measurement due to excessive and/or not balanced line
resistance or possible leakage currents;
- When a shielded cable is used, the shield should be con-
nected to earth at one point only;
- Pay attention to the line resistance; a high line resistance
may cause measurement errors.
2.1.1 Thermocouple Input
+
11
-
12
External resistance: 100W max., error 0.5% of span max..
Cold junction: Automatic compensation from 0 to 50°C.
Cold junction accuracy: 0.1°C/°C after a warm-up of 20 minutes.
Input impedance: > 1 MW.
Calibration: According to EN 60584-1.
Note: Por TC wiring use proper compensating cable prefer-
able shielded.
2.1.2 PT100 Input
+
11
-
12
Input circuit: Current injection (135 µA).
Line resistance: Not compensated.
Calibration: According to EN 60751/A2.
2.1.3 PTC/NTC/PT1000 Input
+
11
-
12
Input circuit: Current injection (25µA).
Line resistance: Not compensated.
R38
Quick Guide
19/06 - Code: ISTR_Q_R38-_E_02_--
75
U
P
R 38
Screw type
bracket (#2)
"Butterfly" type
brackets (#1)
SSR: 10 VDC/20 mA
- +
NO C NC
3 4 5
OUT1
SSR: 10 VDC/20 mA
- +
NO C NC
3 4 5
OUT1
RTD
PTC/NTC/PT1000
5.5
86
Relays: 8A-AC1
(6A-AC3)/250 VAC
NO
6 7 8
100/240 Vac
POWER
SUPPLY
Relays: 8A-AC1
(6A-AC3)/250 VAC
NO
6 8
24 Vac/dc
12 Vdc
POWER SUPPLY
64
43
34
INPUTS
10 11 12
+
INPUTS
9 10 11 12
+
PTC/
NTC
Pt100/
PT1000
tc
PTC/
NTC
Pt100/
PT1000
tc