Schischek GmbH
Germany, Mühlsteig 45, Gewerbegebiet Süd 5, 90579 Langenzenn, Tel. +49 (0)9101 9081-0, Fax +49 (0)9101 9081-77, E-Mail [email protected]
www.schischek.com
E X P L O S I O N P R O O F
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ExCos-D...
Technical data
ExCos-D...
Accessories
Explosion proof
ExCos-D...
Power supply
24 VAC/DC ± 20% (19,2 ... 28,8 VAC/DC) 50...60 Hz
Current, power consumption
150 mA, ~ 4 W, internal fuse 500 mAT, without bracket, not removable
Galvanic isolation
supply – analogue output 1,5 kV (Ex 60 V)
Electrical connection
terminals 0,14…2,5 mm² at integrated Ex-e junction box
Cable entry
M16 × 1,5 mm Ex-e approved, cable diameter ~ Ø 5...10 mm, (
...-CT
in nickel-plated)
Protection class
Class I (grounded)
Display
2 × 16 digits, dot-matrix with backlight, display for configuration, user guidance, parameter and actual value indication
Control elements
3 buttons for configuration
Housing protection
IP66 in acc. to IEC 60529
Housing material
aluminium casting, coated (
...-CT
= version in marine painting, seawater-resistant)
Dimensions/weight
L × W × H = 180 × 107 × 66 mm / ca. 950 g
Ambient temperature/-humidity
–20…+50 °C / 0…95 % rH, non condensed
Storage temperature
–40…+70°C
Sensor connection
Only for ExPro-C... sensors!
via plug-and-socket connection at front or back side of the transducer, to appropriate the use for room or
duct mounting.
Attention:
only one ExPro-C... probe can be connected to one transducer!
ExPro-C... sensors
please have a look on the separate data sheet for ExPro-C... sensors
Measuring range
measuring ranges are scalable within the maximum measuring range
Maintenance
maintenance free, nevertheless maintenance must be complied with regional standards, rules and regulations
Response time of sensor
T90 ~ 1 s
Accuracy temperature
± 0,2 % of end value + accuracy of ExPro-C... sensor ± 0,3 °C at 25 °C ± 0,025 °C/°C
Accuracy humidity
± 0,2 % of end value + accuracy of ExPro-C... sensor 10…90 % rH ± 2% and < 10 % rH and > 90 % rH ± 4% + 1% hysteresis
Non linearity and hysteresis
± 0,1 % of end value
Start delay
5 s
Stability
long term stability < 0,2 %/year, temperature influence < 0,02 %/K, supply voltage influence < 0,01 %
Output
voltage U (V) or current I (mA) selecable via menu on site (at combi sensors not separately adjustable)
Output protection
against short circuit and external voltage up to 24 V, protected against polarity reversal
Voltage output U
from 0...10 VDC adjustable, invertible, burden > 1 kΩ, influence < 0,05% / 100 Ω
Current output I
from 0...20 mA adjustable, invertible, burden < 500 Ω, influence < 0,1% / 100 Ω
,
open circuit voltage < 24 V
Output at alarm mode
increasing or decreasing output signal, selectable on site, down to 0 VDC/0 mA or up to 10 VDC/20 mA
Wiring diagram (SB)
SB 2.0
Delivery (changeable on site)
output 4…20 mA, output with decreasing alarm situation to 0 V/0 mA
Included in delivery
ExCos-D... with 3 screws 4,2 × 13 mm self-tapping
Installation area transducer
in Ex-area zone 1, 2, 21, 22
Additional information for ExCos-D-A:
Analogue output
(0)4…20 mA
Ex-i
Intrinsically Safe (IS)
Burden
max. 400 Ω
Accuracy
± 0,5 %
Plug
cable diameter Ø 6...8 mm
Delivery version ...-D-A
incl. 2 × plug
PTB-testet
PTB 07 ATEX 2061
acc. to ATEX directive
94/9/EC (ATEX)
Approval for gas
II2(1)G Ex e ma [ia] IIC T6
for zone 1, 2
Approval for dust
II2(1)D Ex tD A21 [iaD] IP66 T80°C for zone 21, 22
Identification
CE No. 0158
EMC
2004/108/EC EMC directive
Electrical safety
2006/95/EC low voltage directive
Protection type
IP66 in acc. to EN 60529
Potential compensation
external PA-terminal, 4 mm²
EXC-RIA-16
LCD indicator (IS), installation in Ex-areas zones 1, 2, 21, 22,
connectable directly to ...Cos-... transducer
MKR
Mounting bracket for round ducts up to Ø 600 mm
MFK
Mounting flansh for probe positioning
