ero electronic LFS-mA Manuel De Service page 30

GENERAL INFORMATIONS GENERAL INFORMATIONS
GENERAL INFORMATIONS GENERAL INFORMATIONS GENERAL INFORMATIONS
GENERAL SPECIFICATIONS GENERAL SPECIFICATIONS GENERAL SPECIFICATIONS GENERAL SPECIFICATIONS GENERAL SPECIFICATIONS
Case: Polycarbonate grey dark color; self-extin- Case Case
Case Case
guishing degree: V-0 according to UL 94.
Front protection Front protection Front protection - designed and tested for IP 65 (*) Front protection Front protection
and NEMA 4X (*) for indoor locations (when panel
gasket is installed).
(*) Test were performed in accordance with CEI 70-
1 and NEMA 250-1991 STD.
Installation Installation Installation Installation Installation: panel mounting.
Rear terminal block: 15 screw terminals ( screw Rear terminal block Rear terminal block Rear terminal block Rear terminal block
M3, for cables from f 0.25 to f 2.5 mm 2
AWG 22 to AWG 14 ) with connection diagrams
and safety rear cover.
Dimensions Dimensions
Dimensions: DIN 43700 48 x 48 mm, Dimensions Dimensions
depth 122 mm.
Weight Weight Weight Weight Weight: 250 g.
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: 6 VA max. Power consumption Power consumption Power consumption
Insulation resistance nsulation resistance nsulation resistance nsulation resistance: > 100 MΩ according to 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 Display updating time Display updating time: 500 ms. Display updating time
Sampling time: 250 ms for linear inputs Sampling time: Sampling time: Sampling time: Sampling time:
500 ms for TC and RTD inputs.
Resolution Resolution Resolution: 30000 counts. Resolution Resolution
Accuracy Accuracy Accuracy Accuracy Accuracy: + 0,2% f.s.v.. + 1 digit @ 25 °C
ambient temperature.
Common mode rejection: 120 dB @ 50/60 Hz. Common mode rejection Common mode rejection Common mode rejection Common mode rejection
Normal mode rejection: Normal mode rejection: 60 dB @ 50/60 Hz. 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 requirements: This instrument is marked CE.
Therefore, it is conforming to council directives
89/336/EEC (reference harmonized standard
LFSMA-1-B.pmd 27
EN 50081-2 and EN 50082-2) and to council
directives 73/23/EEC and 93/68/EEC (reference
harmonized standard EN 61010-1).
Installation category Installation category Installation category: II Installation category Installation category
Temperature drift Temperature drift Temperature drift Temperature drift Temperature drift: (CJ excluded)
< 200 ppm/°C of span for mV and TC ranges 1, 3, 5,
7, 20, 21, 22, 24.
< 300 ppm/°C of span for mA/V
< 400 ppm/°C of span for RTD range 11, 28 and
TC range 0, 2, 4, 6, 23.
< 500 ppm/°C of span for RTD range 10 and TC
ranges 8, 9, 25, 26.
< 800 ppm/°C of span for RTD range 27.
or from
Operative temperature Operative temperature Operative temperature Operative temperature: from 0 to 50 °C. Operative temperature
Storage temperature : Storage temperature : -20 to +70 °C Storage temperature : Storage temperature : Storage temperature :
Humidity Humidity: from 20 % to 85% RH, non condensing. Humidity Humidity Humidity
Protections Protections: Protections Protections Protections
1) WATCH DOG circuit for automatic restart.
2) DIP SWITCH for protection against tampering
of configuration and calibration parameters.
INPUTS INPUTS INPUTS INPUTS INPUTS
A) A) A) A) A) THERMOCOUPLE THERMOCOUPLE THERMOCOUPLE
THERMOCOUPLE THERMOCOUPLE
Type : Type : L -J -K -N -R -S -T. °C/°F selectable. Type : Type : Type :
External resistance: 100 Ω max, maximum error External resistance External resistance
External resistance External resistance
0,1% of span.
Burn out Burn out Burn out Burn out Burn out: It is shown as an overrange condition
(standard). It is possible to obtain an underrange
indication by cut and short.
Cold junction: automatic compensation from 0 to Cold junction Cold junction Cold junction Cold junction
50 °C.
Cold junction accuracy Cold junction accuracy Cold junction accuracy Cold junction accuracy : 0.1 °C/°C Cold junction accuracy
Input impedance Input impedance: > 1 MΩ Input impedance Input impedance Input impedance
Calibration : according to IEC 584-1 and DIN Calibration Calibration Calibration Calibration
43710 - 1977.
GB GB GB GB GB 27
29/05/2006, 9.23