Technical Characteristics; Technical Specifications; Inputs - Eliwell EWTQ925 Bedienungsanleitung

7 . 7 . 7 . 7 . 7 . TECHNICAL TECHNICAL TECHNICAL TECHNICAL TECHNICAL
CHARACTERISTICS CHARACTERISTICS CHARACTERISTICS CHARACTERISTICS CHARACTERISTICS
7 . 1 7 . 1

7 . 1 TECHNICAL SPECIFICATIONS

TECHNICAL SPECIFICATIONS TECHNICAL SPECIFICATIONS TECHNICAL SPECIFICATIONS
7 . 1 7 . 1 TECHNICAL SPECIFICATIONS
C a s e C a s e C a s e: C a s e C a s e ABS grey (RAL 7043); self-extinguishing
degree: V-0 according to UL 94.
Front protection Front protection
Front protection Front protection Front protection - designed for IP 65(*) and
NEMA 4X for indoor locations (when panel gasket
is installed).
(*) Tests were performed in accordance with CEI
70-1 and NEMA 250-1991.
Installation Installation Installation: panel mounting
Installation Installation
Rear Rear Rear Rear Rear terminal block terminal block:10 screw terminals terminal block terminal block terminal block
(screw M3, for cables from φ 0.25 to φ 2.5 mm
from AWG 22 to AWG 14 ) with connection
diagrams and safety terminal block cover.
Dimensions: Dimensions: Dimensions: Dimensions: according to DIN43700 48 x 48 Dimensions:
mm, depth 105 mm.
Weight: Weight:
Weight: 200 g max. 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: 9 VA max / 4 W. Power consumption Power consumption Power consumption Power consumption
nsulation voltage nsulation voltage
Insulation voltage nsulation voltage nsulation voltage: 2300 V rms according to
EN 61010-1.
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: 500 ms. Sampling time:
Resolution Resolution
Resolution: 30000 counts. Resolution Resolution
Precision: + 0.3% v.f.s. + 1 digit @ 25°C of room Precision: Precision: Precision: Precision:
temperature.
Common mode rejection Common mode rejection
Common mode rejection: 120 dB at 50/60 Hz. Common mode rejection Common mode rejection
Normal mode rejection: Normal mode rejection: Normal mode rejection: 60 dB at 50/60 Hz.
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.
It therefore conforms to directives 89/336/EEC
(reference harmonized standard CEI EN-61326-
1:1998 and CEI EN-61326/A1:1999 emission re-
quirements: residential environment - class B – for
100/240V AC and industrial environment - class A
– for 24V AC/DC) and to directives 73/23/EEC and
93/68/EEC (reference harmonized standard EN
61010-1).
Installation category Installation category: II Installation category
Installation category Installation category
Temperature drift: Temperature drift: Temperature drift: Temperature drift: Temperature drift: < 200 ppm/°C (RJ excluded)
< 400 ppm/°C for RTD input and input from
thermocouple T.
< 800 ppm/°C for RTD input with 1/10°C resolution
(dual display model).
< 500 ppm/°C for RTD input with 1/10°C resolution
(single display model).
or
2
Operating temperature: Operating temperature: Operating temperature: from 0 to 50°C (from
Operating temperature: Operating temperature:
32 to 122°F).
Storage temperature: Storage temperature:
Storage temperature: Storage temperature: Storage temperature: -30 to +70°C (-22 to
158°F)
Humidity Humidity: from 20 % to 85% RH, non condensing. Humidity
Humidity Humidity
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 (hardware/software) for the
automatic restart.
7 . 2 7 . 2 I N P U T S I N P U T S
7 . 2 7 . 2 7 . 2 I N P U T S I N P U T S I N P U T S
A) A) A) A) A) THERMOCOUPLES THERMOCOUPLES THERMOCOUPLES THERMOCOUPLES
THERMOCOUPLES
Type Type Type Type Type: L, J, K, N, T programmable from the
keypad.
Line resistance: max. 100 Ω with error <+0.1%
Line resistance Line resistance Line resistance Line resistance
of the input span.
Engineering units Engineering units
Engineering units Engineering units: °C or °F programmable. Engineering units
Reference junction Reference junction Reference junction: automatic compensation Reference junction Reference junction
from 0 to +50°C (from 32 to122°F).
Reference junction drift Reference junction drift
Reference junction drift Reference junction drift Reference junction drift : 0.1°C/°C.
Burn-out Burn-out Burn-out: Up or down range selectable. Burn-out Burn-out
Calibration Calibration
Calibration Calibration: according to IEC 584-1 and Calibration
DIN 43710 - 1977 (TC L).
G B G B G B G B G B
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