General Informations; General Specifications - ero electronic LFS Manuel De Service

GENERAL INFORMATIONS

GENERAL INFORMATIONS GENERAL INFORMATIONS GENERAL INFORMATIONS GENERAL INFORMATIONS

GENERAL SPECIFICATIONS

GENERAL SPECIFICATIONS GENERAL SPECIFICATIONS GENERAL SPECIFICATIONS GENERAL SPECIFICATIONS
Case Case
Case Case Case: Polycarbonate dark grey color (RAL 7043); self-
extinguishing degree: V-0 according to UL 94.
Front protection Front protection Front protection - designed for IP 65 (*) and NEMA Front protection Front protection
4X (*) for indoor locations (when panel gasket is
installed).
(*) Test were performed in accordance with
CEI 70-1 and NEMA 250-1991 STD.
Installation: panel mounting. Installation Installation Installation Installation
Rear Rear Rear Rear Rear terminal block terminal block terminal block terminal block terminal block: 15 screw terminals (
screw M3, for cables from φ 0.25 to φ 2.5 mm
from AWG 22 to AWG 14 ) with connections
diagram and safety rear cover.
Dimensions Dimensions
Dimensions: DIN 43700 48 x 48 mm, depth 122 mm. Dimensions Dimensions
Weight: 250 g. Weight Weight Weight Weight
Power supply Power supply
Power supply Power supply Power supply:
- 100V to 240V AC 50/60Hz (-15% to + 10% of the
nominal value).
- 24 V AC/DC (+ 10 % of the nominal value).
Power consumption Power consumption Power consumption Power consumption Power consumption: 8 VA max.
Insulation resistance nsulation resistance: > 100 MΩ according to nsulation resistance nsulation resistance
nsulation resistance
IEC 1010-1.
Dielectric strength: 1500 V rms according to Dielectric strength Dielectric strength Dielectric strength Dielectric strength
IEC 1010-1.
Display updating time Display updating time: 500 ms. Display updating time Display updating time Display updating time
Sampling time: Sampling time: Sampling time: Sampling time: 250 ms for linear inputs Sampling time:
500 ms for TC and RTD inputs.
Resolution Resolution
Resolution Resolution Resolution: 30000 counts.
Accuracy Accuracy Accuracy Accuracy Accuracy: + 0,2% f.s.v.. + 1 digit @ 25 °C
ambient temperature.
Common mode rejection Common mode rejection Common mode rejection Common mode rejection: 120 dB @ 50/60 Hz. Common mode rejection
Normal mode rejection: 60 dB @ 50/60 Hz. Normal mode rejection: Normal mode rejection: Normal mode rejection: Normal mode rejection:
Electromagnetic compatibility and safety Electromagnetic compatibility and safety Electromagnetic compatibility and safety
Electromagnetic compatibility and safety Electromagnetic compatibility and safety
requirements requirements requirements requirements: This instrument is marked CE. requirements
Therefore, it is conforming to council directives 89/336/
EEC for electromagnetic compatibility and to council
directives 73/23/EEC and 93/68/EEC for safety.
LFS-1-CC.P65 28
Installation category Installation category: II Installation category Installation category Installation category
Temperature drift Temperature drift Temperature drift Temperature drift: (CJ excluded) Temperature drift
< 200 ppm/°C of span for mV and TC ranges 1, 3, 5,
6, 19, 20, 21, 22.
< 300 ppm/°C of span for mA/V
< 400 ppm/°C of span for RTD range 10, 26 and
TC range 0, 2, 4, 27, 28.
< 500 ppm/°C of span for RTD range 9 and
TC ranges 7,8, 23, 24.
< 800 ppm/°C of span for RTD range 25.
Operative temperature Operative temperature Operative temperature Operative temperature Operative temperature: from 0 to 50 °C (+32
to 122 °F).
Storage temperature: Storage temperature:
Storage temperature: -20 to +70 °C (-4 to Storage temperature: Storage temperature:
2 or
158 °F)
Humidity: from 20 % to 85% RH, non Humidity Humidity Humidity Humidity
condensing.
Altitude Altitude: This product is not suitable for use above Altitude Altitude Altitude
2000m (6562ft).
P r o t e c t i o n s P r o t e c t i o n s P r o t e c t i o n s P r o t e c t i o n s P r o t e c t i o n s :
1) WATCH DOG circuit for automatic restart.
2) DIP SWITCH for protection against tampering of
configuration and calibration parameters.
I N P U T S I N P U T S I N P U T S I N P U T S I N P U T S
A) A) A) A) A) THERMOCOUPLE THERMOCOUPLE THERMOCOUPLE THERMOCOUPLE THERMOCOUPLE
Type : L -J -K -N -R -S -T. °C/°F selectable. Type : Type : Type : Type :
External resistance External resistance External resistance: 100 Ω max, maximum
External resistance External resistance
error 0,1% of span.
Burn out Burn out: It is shown as an overrange condition Burn out Burn out Burn out
(standard). It is possible to obtain an underrange
indication by cut and short.
Cold junction Cold junction Cold junction Cold junction Cold junction: automatic compensation from 0
to 50 °C.
Cold junction accuracy : 0.1 °C/°C Cold junction accuracy Cold junction accuracy Cold junction accuracy Cold junction accuracy
Input impedance Input impedance Input impedance Input impedance Input impedance: > 1 MΩ
GB GB GB GB GB 28
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