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E X P L O S I O N P R O O F
ExCos-D
ExPro-C...
ExCos - D
ExCos - D - A
ExCos - ... - CT
Transducer for
Temperature / humidity probes (°C, % rH)
Subject to change!
Electrical, explosion proof transducers with ExPro-C...
24 VAC/DC supply voltage, (0)4...20 mA /0...10 V analogue output
EC type-approved in acc. with ATEX directive 94 / 9 /EC for zone 1, 2, 21, 22
Compact. Easy installation. Universal. Cost effective. Safe.
Type Transducer
Sensors (compulsory)
ExCos- D
ExCos- D - A
ExCos- D... - CT
ExPro-C... (see below)
°C, % rH, °C+% rH
24 VAC / DC
(0)4...20 mA / 0...10 V
–
SB 2.0
Zone 1, 2, 21, 22
as above with 2 additional intrinsically safe analogue output to connect an external digital indicator
2 × (0)4...20 mA
SB 3.2
Zone 1, 2, 21, 22
Types as above with aluminium housing and seawater resistant C5-M painting (cable glands M16 brass nickel-plated, screws in stainless steel)
Type
ExPro-CT-...
ExPro-CF-...
ExPro-CTF-...
Function
Temperature probe
Humidty probe
Combination probe
Sensor length
Function of sensors
Range
−40...+125 °C *
0...100 % rH
−40...+125 °C * / 0...100 % rH
* at 50 mm length −40...+80 °C
Supply
Output
Probe / sensor length
50 / 100 / 150 / 200 mm
50 / 100 / 150 / 200 mm
50 / 100 / 150 / 200 mm
Ex-i output
Wiring diagram Installation area
Connection
Installation area probe
Plug and socket to ExCos-D..., RedCos-D...
Zone 1, 2, 21, 22
Plug and socket to ExCos-D..., RedCos-D...
Zone 1, 2, 21, 22
Plug and socket to ExCos-D..., RedCos-D...
Zone 1, 2, 21, 22
Product views and applications
...Cos-D... transducer
ExPro-C... sensors
...Cos-D...-CT
Description
Duct or room sensor
Highlights
The ExCos-D... transducer generation with directly coupled ExPro-C...
probes are a revolution for measuring temperature and / or humidity in
HVAC systems, in chemical, pharmaceutical, industrial and
offshore/onshore plants, for use in hazardous areas zone 1, 2 (gas) and
zone 21, 22 (dust).
Highest protection class (ATEX) and IP66 protection, small dimensions,
universal functions and technical data guarantee safe operation even
under difficult environmental conditions.
All sensors are programmable on site without any additional tools. The
measuring ranges are scalable within the maximum ranges. The analogue
output signal is either 0...10 VDC or (0)4...20 mA and can be selected
on site. The integrated display (can be switched off as needed) is for parametrisation and an actual value indication at working mode.
...Cos-D-A transducer are additionally equipped with two intrinsically
safe (IS) outputs, e. g. for an external indicator.
►For all types of gases, mixtures, vapours and dust for use in zone 1, 2, 21 and 22
►Power supply 24 VAC/ DC
►Scalable analogue output, selectable 0…10 V / (0)4…20 mA
►Integrated Ex-e junction box
►No addional Ex-i module required
►No intrinsically safe wiring/installation between panel and sensor required
►No intrinsically safe wiring/ installation and no space in the panel required
►Optional IS output (0)4…20 mA for external indicator in Ex-areas
►Display with backlight, can be switched off
►Password locking
►Down to −20 °C ambient temperature applicable
►Compact design and small dimension
►Robust aluminium housing (optional with seawater resistant C5-M painting)
►IP66 protection
ExPro-C – see additional data sheet
ExCos-D_en
V01 – 24-Mar-2015
Schischek GmbH Germany, Muehlsteig 45, Gewerbegebiet Sued 5, 90579 Langenzenn, Tel. +49 9101 9081-0, Fax +49 9101 9081-77, E-Mail [email protected]
www.schischek.com
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ExCos-D
ExCos-D-A
Special options
... -CT
E X P L O S I O N P R O O F
Technical data
Power supply
Current, power consumption
Galvanic isolation
Electrical connection
Cable glands
Cable glands ...-CT
Protection class
Display
Control elements
Housing material
Dimensions
Weight
Ambient temperature / humidity
Storage temperature
Sensor connection
Parameter at delivery
24 VAC/DC ± 20 % (19,2...28,8 VAC/ DC), 50...60 Hz
150 mA, ~ 4 W, internal fuse 500 mAT, without bracket, not removable
Supply for analogue in- and outputs min. 1,5 kV, supply for relay output min. 1,5 kV
Terminals 0,14...2,5 mm² at integrated Ex-e junction box, stripping length 9 mm, torque 0,4...0,5 Nm, equipotential bonding 4 mm²
2 × M16 × 1,5 mm, Ex-e approved, for cable diameter ~ Ø 5...9 mm
2 × M16 × 1,5 mm, Ex-e approved, brass nickel-plated, for cable diameter ~ Ø 6...10 mm
Class I (grounded)
2 × 16 digits, dot-matrix display, backlit, for configuration, user guidance, parameter and actual value indication
3 buttons for configuration
Aluminium die casting, coated. Optional with seawater resistant C5-M painting (...-CT)
L × W × H = 180 × 107 × 66 mm aluminium housing
~ 950 g aluminium housing
−20...+50 °C / 0...95 % rH, non condensing
−40...+70 °C
For ExPro-C... sensor only ! Via plug-and-socket connection at front side (for room mounting) or at back side (for duct mounting).
Attention: Only 1 ExPro-C... sensor per transducer can be connected!
More information of connectable ExPro-C... sensors see separate data sheet
Measuring ranges are scalable within and limited by the maximum sensor measuring range
T90 / ~ 1 s
± 0,2 % of end value + accuracy of ...Pro-C... sensor ± 0,4 °C at 25 °C ± 0,025 °C/ °C
± 0,2 % of end value + accuracy of ...Pro-C... sensor ± 2 % at 10...90 % rH, ± 4 % at < 10 % rH and > 90 % rH ± 1 % hysteresis
± 0,1 % of end value
5s
Long term stability < 0,2 % /year, temperature influence < 0,02 % / K, supply voltage influence < 0,01 %
Voltage U [V] or current I [mA] selectable via menu on site (with combi sensors not adjustable separately),
protected against short circuit and external voltage up to 24 V, protected against polarity reversal
from 0...10 V adjustable, invertible, burden > 1 kΩ, influence < 0,05 %/ 100 Ω
from 0...20 mA adjustable, invertible, burden < 500 Ω, influence < 0,1 %/ 100 Ω, open circuit voltage < 24 V
Increasing or decreasing output signal, selectable on site, down to 0 VDC/ 0 mA or up to 10 VDC/ 20 mA
SB 2.0
Transducer, 3 self-tapping screws 4,2 × 13 mm resp. in stainless steel (with ...-CT versions)
...Cos-D-A with 2 additional plugs for cable diameter Ø 6...8 mm
Output 4…20 mA, output in alarm mode decreasing to 0 V / 0 mA
ExCos-D-A
Ex-i analogue output
Accuracy
Wiring diagram
as above and 2 additional intrinsically safe analogue outputs
2 × (0) 4...20 mA, intrinsically safe (IS), burden max. 400 Ω
± 0,5 %
SB 3.2
ExPro-C... sensors
Measuring ranges adjustable
Response time of sensor
Accuracy temperature
Accuracy humidity
Non linearity
Start delay
Stability
Output
Voltage output U
Current output I
Output in alarm mode
Wiring diagram
Scope of delivery
Approbations
EC type-approved
In acc. with ATEX
Approval for gas
Approval for dust
IECEx certified
Identification
EMC
Low voltage
Enclosure protection
Special solutions and accessories
EPS 14 ATEX 1 655 X
94/9 /EC
II 2 (1) G Ex e ma [ia Ga] IIC T6 Gb
II 2 (1) D Ex tb [ia Da] IIIC T80°C Db IP66
IECEx EPS 14.0022X
CE No. 0158
2004 /108 /EC
2006 /95 /EC
IP66 in acc. with EN 60529
zone 1, 2
zone 21, 22
...-CT
EXC-RIA-16
MKR
Kit-S8-CBR
VL3
Types in aluminium housing with C5-M finish, parts nickel-plated
LCD indicator (IS) for Ex-/RedCos-... sensors in Ex-zones 1, 2, 21, 22
Mounting bracket for round ducts up to Ø 600 mm
2 cable glands M16 × 1,5 mm, Ex-e, brass nickel-plated, for cable Ø 5...10 mm
Sensor extension cable, 3 m
ExCos-D_en
V01 – 24-Mar-2015
Schischek GmbH Germany, Muehlsteig 45, Gewerbegebiet Sued 5, 90579 Langenzenn, Tel. +49 9101 9081-0, Fax +49 9101 9081-77, E-Mail [email protected]
www.schischek.com
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ExCos- D
ExCos-D-A
Special options
... -CT
E X P L O S I O N P R O O F
Display, buttons and parameters
Electrical connection
All transducers require a 24 VAC / DC power supply. The electrical wiring must be realized
via the integrated Ex-e junction box acc. to ATEX. The terminals’ type of protection is
“Increased safety Ex-e”.
Attention: Before opening the junction box cover, the supply voltage must be shut off !
The supply has to be connected at terminals 1 (− /~) and 2 (+ / ~), the analogue output for
temperature sensors at terminals 3 (mA /V) and 4 (GND), for humidity sensors at terminals
5 (mA/V) and 4 (GND).
The additional analogue output at ...Cos-D-A is intrinsically safe. Note the maximum
connection values of intrinsically safe parameters (see table below).
E X P L O S I O N P R O O F
Display for
programming
and indication
Push button
ENTER
Push button for
level selection
Parametrisation
Before starting parametrisation of ...Cos-D... transducer a ...Pro-C... sensor must be connected. Three measuring methods are selectable: single measurements of temperature
(...Pro-CT...) or humidity (...Pro-CF...) and combined measurement of temperature and humidity (...Pro-CTF...). Simultaneous measurings are not possible, use only one transducer at
the time. Depending on the sensor’s type you need to set parameters for one or two
measuring ranges and their related data.
Wiring diagram
ExCos-D...
PE
% rH
GND (°C / % rH)
°C
(0) 4...20 mA / 0...10 V
+
~
(0) 4...20 mA / 0...10 V
−
~
SB 2.0
Available output signals at following terminals
(acc. to connected sensor type):
Terminal
Terminal
...Pro-CT...
3–4
...Pro-CF...
4–5
...Pro-CTF...
3 – 4 and 4 – 5
PA
1
2
3
4
The ...Pro-C... probe can be mounted to the
front or the back side of the transducer. The
protective cap must be removed.
Unused connectors must be covered by the
original protective cap to avoid mechanical
damage and dirt !
At the output is either mA or V adjustable.
5
Attention
!
!
Humidity output below 0 °C without function
Intrinsically safe parameters (IS) – External ExPro-C... sensor
Uo = 7,9 V
I o = 48 mA
Po = 95 mW
Ci = 0
Li = 0
Lo
Co
Ex-i output (IS) (optional)
IIC
2 mH
1,3 μF
IIB
5 mH
5,8 μF
IIA
10 mH
7,1 μF
– ExCos-D-...-A
Connector and terminals
Indication of data logging
A flashing star in the display shows that data is received and the device is working.
Password input
The default / delivery setup is 0000. In this configuration the password input is not
activated. To activate a password, follow menu point 20, change the 4 digits into your
choosen numbers (e. g. 1234) and press ENTER.
Please keep your password in mind for next parameter change ! Due to a new parameter
setup the password is requested.
Important information for installation and operation
A. Installation, commissioning, maintenance
The cable has to be drawn through the cable gland. After electrical connection the
cable gland must be fixed tighten. IP66 must be fulfilled.
In acc. with operation ...Cos sensors are maintenance free. Nevertheless maintenance
must comply with regional standards, rules and regulations. The sensors must not
be opened by the customer. For outdoor installation a protective housing against
rain, snow and sun should be applied. For electrical connection use the internal
approved Ex-e junction box.
Attention: Note the explosion proof rules before opening the internal junction box.
Cut off the power supply.
B. ExPro-C... probes
The ExPro-C... sensor is supplied by the transducer’s intrinsically safe circuit. Unused
connectors must be covered with a protective cap.
C. Long cabling
For using long signal wires, shielded cables are recommended. The shield must be
connected one-sided to the ...Cos-D... inside the terminal box.
D. Separate ground wires
For supply and signal wires use separate ground.
SB 3.2
Female connector
Male connector
4
Dimensions
1
5
2
3
Dimensioning in mm
Ø 4,5
2
20
1
Change operation – parametrisation mode
To change from operation to parametrisation mode and vice versa, push
ENTER
button for minimum of 3 seconds. Back to operation mode with menu “save”.
~ 180
166
−
+
to connect e.g.
an external LCD indicator (IS)
Output 1: for temperature sensor [°C]
Output 2: for humidity sensor [% rH]
157,5
117
4
129
...Pro-C...
3
Intrinsically safe parameters (IS) – Analogue Ex-i output
Uo = 15,8 V
I o = 85 mA
Po = 336 mW
Ci = 0
Li = 0
Lo
Co
IIC
IIB
2 mH 5 mH
0,33 μF 1,6 μF
IIA
10 mH
1,8 μF
Ø 4,5
Ø 4,5
68
80
107
55
66
ExCos-D_en
V01 – 24-Mar-2015
Schischek GmbH Germany, Muehlsteig 45, Gewerbegebiet Sued 5, 90579 Langenzenn, Tel. +49 9101 9081-0, Fax +49 9101 9081-77, E-Mail [email protected]
www.schischek.com
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ExCos-D
ExCos-D-A
Special options
... -CT
E X P L O S I O N P R O O F
Parametrisation and commissioning
E X P L O S I O N P R O O F
To change from operation to parametrisation mode
push the “ENTER” button
for minimum 3 seconds.
If password protected: type password and push
.
Skip menu with
, back to operation mode with
menu “Save and exit”.
Menu
Function
Menu 1
DE, EN, FR
Select language: German, English, French
Menu 2
no function – menu skip
Menu 3
no function – menu skip
Menu 4
Unit sensor 1
Select physical unit
Menu 5
Range 1
Adjust the measuring range
Menu 6
no function – menu skip
Menu 7
Output V mA
Select output signal
Menu 8
Output range 1
Adjust output range
Menu 9
Sensor error 1
Select output signal at sensor error
Menu 10
Output 1
Select signal output behaviour
Menu 11
Unit sensor 2 * (humidity)
Select physical unit
Menu 12
Range 2 *
Adjust the measuring range
Menu 13
Output range 2 *
Adjust output range
Menu 14
Sensor error 2 *
Select output signal at sensor error
Menu 15
Output 2 *
Select signal output behaviour
Menu 16
Output Ex-i 1 (optional ...Cos-D-A)
Select lower output signal: 0 mA resp. 4 mA
(0...20 or 4...20 mA)
Output Ex-i 2 (optional ...Cos-D-A) *
Select lower output signal: 0 mA resp. 4 mA
(0...20 or 4...20 mA)
no function – menu skip
Menu 17
Menu 18
Menu 19
Display function
Select display
Menu 20
Password
Select password protection
Menu 21
Save and exit
Select: save data, factory setting,
discard or back to menu
Set offset 1
Add /subtract offset from measure value
temperature
Set offset 2 *
Add / subtract offset from measure value
humidity
Menu 22
Menu 23
Example:
Menu language
Range
Output
Output Ex-i
Operation → Parametrisation
push
for min. 3 s
ENTER
Indication
Select
ENTER
Next indication
Select
English
0...50 °C, 0...100 % rF
0...10 V, 0...10 V
0...20 mA
ENTER Next menu
DE, EN, FR
English
deutsch, english, francais
unit sensor 1
°C
°C, °F
range 1
0...50 °C
adjust lower limit
range 1
0...50 °C
adjust higher limit
output V mA
mA
V, mA
output range 1
0...10 mA
adjust lower limit
output range 1
0...10 mA
adjust higher limit
sensor error 1
10 V /20 mA
10 V /20 mA, 0 V / 0 mA
output 1
increasing
increasing, decreasing
unit sensor 2
% rF
% rF, % rH
range 2
0...100 % rF
adjust lower limit
range 2
0...100 % rF
adjust higher limit
output range 2
0...10 V
adjust lower limit
output range 2
0...10 V
adjust higher limit
sensor error 2
0 V/ 0 mA
0 V/ 0 mA, 10 V / 20 mA
output 2
increasing
increasing, decreasing
output Exi 1
0...20 mA
adjust lower limit
output Exi 1
0...20 mA
adjust higher limit
output Exi 2
0...20 mA
adjust lower limit
output Exi 2
0...20 mA
adjust higher limit
display function
on illuminated
on illuminated, off, on
new password
yes no
Ja
save and exit
save data
save data, factory setting, discard, back to menu
password
0000
push
to change position
(operation mode after “save data”)
set offset 1
+0.01 °C
set offset 2
−0.02 % rH
* with combination probe ...Pro-CTF only
ExCos-D_en
V01 – 24-Mar-2015
Schischek GmbH Germany, Muehlsteig 45, Gewerbegebiet Sued 5, 90579 Langenzenn, Tel. +49 9101 9081-0, Fax +49 9101 9081-77, E-Mail [email protected]
www.schischek.com
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