ero electronic TMS - General Informations; General Specifications; Inputs

21
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GENERAL INFORMATIONSGENERAL INFORMATIONS
GENERAL INFORMATIONSGENERAL INFORMATIONS
GENERAL INFORMATIONS
GENERAL SPECIFICATIONSGENERAL SPECIFICATIONS
GENERAL SPECIFICATIONSGENERAL SPECIFICATIONS
GENERAL SPECIFICATIONS
CaseCase
CaseCase
Case: PC-ABS black color; self-extinguishing de-
gree: V-0 according to UL 94.
Front protectionFront protection
Front protectionFront protection
Front protection - designed and tested for IP 65 (*)
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.
InstallationInstallation
InstallationInstallation
Installation: panel mounting by means of mounting
bracket. Instrument removable from case.
Rear terminal block: 21Rear terminal block: 21
Rear terminal block: 21Rear terminal block: 21
Rear terminal block: 21 screw terminals ( screw
M3, for cables from φ 0.25 to φ 2.5 mm
2
or from
AWG 22 to AWG 14 ) with connection diagrams
and safety rear cover.
DimensionsDimensions
DimensionsDimensions
Dimensions: 48 x 96 mm, depth 89 mm (DIN
43700).
WeightWeight
WeightWeight
Weight: 600 g.
Power supplyPower supply
Power supplyPower 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 consumptionPower consumption
Power consumptionPower consumption
Power consumption: 6 VA max.
I
nsulation resistancensulation resistance
nsulation resistancensulation resistance
nsulation resistance: > 100 MΩ according to
IEC 1010-1.
Dielectric strengthDielectric strength
Dielectric strengthDielectric strength
Dielectric strength: 1500 V rms according to IEC
1010-1.
Sampling time: Sampling time:
Sampling time: Sampling time:
Sampling time: 500 ms.
ResolutionResolution
ResolutionResolution
Resolution: 30000 counts.
Accuracy Accuracy
Accuracy Accuracy
Accuracy (@ 25 °C):
+0.2% of the input span +1 °C.
Common mode rejectionCommon mode rejection
Common mode rejectionCommon mode rejection
Common mode rejection: 120 dB at 50/60 Hz.
Normal mode rejection:Normal mode rejection:
Normal mode rejection:Normal mode rejection:
Normal mode rejection: 60 dB at 50/60 Hz.
Electromagnetic compatibility and safetyElectromagnetic compatibility and safety
Electromagnetic compatibility and safetyElectromagnetic compatibility and safety
Electromagnetic compatibility and safety
requirementsrequirements
requirementsrequirements
requirements: This instrument is marked CE.
Therefore, it is conforming to council directives
89/336/EEC (reference harmonized standard
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 categoryInstallation category
Installation categoryInstallation category
Installation category: II
Temperature driftTemperature drift
Temperature driftTemperature drift
Temperature drift: (RJ excluded)
< 400 ppm/°C for RTD input with -19.9/99.9 °C
range and TC type T.
< 200 ppm/°C for all the other ranges.
Operative temperatureOperative temperature
Operative temperatureOperative temperature
Operative temperature: from 0 to 50 °C.
Storage temperature : Storage temperature :
Storage temperature : Storage temperature :
Storage temperature : -20 to +70 °C
HumidityHumidity
HumidityHumidity
Humidity: from 20 % to 85% RH, non condensing.
ProtectionsProtections
ProtectionsProtections
Protections:
1) WATCH DOG circuit for automatic restart.
2) DIP SWITCH for protection against tampering
of configuration and calibration parameters.
INPUTSINPUTS
INPUTSINPUTS
INPUTS
A) A)
A) A)
A)
THERMOCOUPLETHERMOCOUPLE
THERMOCOUPLETHERMOCOUPLE
THERMOCOUPLE
TypeType
TypeType
Type: L, J, K, N, T programmable by front push-
buttons.
Line resistanceLine resistance
Line resistanceLine resistance
Line resistance: max. 100 Ω with error <
+0.1%
of the input span.
BurnoutBurnout
BurnoutBurnout
Burnout: Up or down scale selectable by
soldering jumpers.
Reference junctionReference junction
Reference junctionReference junction
Reference junction: automatic compensation
from 0 to +50 °C.
Reference junction driftReference junction drift
Reference junction driftReference junction drift
Reference junction drift: 0.1 °C/°C.
Input impedanceInput impedance
Input impedanceInput impedance
Input impedance: > 1 MΩ
CalibrationCalibration
CalibrationCalibration
Calibration: according to IEC 584-1 and DIN
43710 - 1977 (TC L)
STANDARD RANGE TABLE
TCTC
TCTC
TC
TypeType
TypeType
Type
LL
LL
L
JJ
JJ
J
KK
KK
K
TT
TT
T
NN
NN
N
Measuring rangesMeasuring ranges
Measuring rangesMeasuring ranges
Measuring ranges
0 / + 800 °C
0 / + 800 °C
0 / + 999 °C
0 / + 400 °C
0 / + 999 °C
0 / + 999 °F
0 / + 999 °F
0 / + 999 °F
0 / + 752 °F
0 / + 999 °F