Gas Detection Control Unit ET-4D(A)2
Description: Gas detection control unit for measurement of flammable and/or toxic
gases as well as oxygen. Smoke detectors as option. Graphic display.
Menu guided configuration. 3 Alarm levels per channel. 12 freely con-
figurable relays. Analog outputs 4…20 mA (only ET-4DA2).
Wall Mounted DIN-Rail Control Panel 19”-Rack
Article-No.
230 V 24 V 230 V 24 V 230 V 24 V 230 V 24 V
ET-4D2 315000 315004 315001 315005 315002 315006 315008 315009
ET-4DA2 317000 317004 317001 317005 317002 317006 317008 317009
Features
Number of Transmitters: 1 to 4 (4-20 mA)
Signal Processing: Microcontroller with A/D-Converter
Alarm/Fault/Indication: Illuminated graphic display (160 x 80) for indication of measured
values, messages and alarms
12 (3 x 4) red LEDs for alarm indication
LEDs for indication of channel fault (4 x yellow), channel opera-
tion (4 x green), operation (1 x green), device fault (1 x yellow)
User Interface: Menu guided system via graphic display and keys
Completely configurable at device, no tools needed
3 password protected servicing levels
Alarm Evaluation: 3 freely adjustable alarm levels per channel
Monitoring: over-scale, under-scale or min/max
Latching of each alarm configurable
Relays, potential free: 12 change-over contacts 230 V / 5 A, ohmic, (in total: max. 10
A), freely configurable with Alarm 1 to 3 and transmitter fault
2 change-over contacts 230 V / 5 A, ohmic, for maintenance
mode and device fault
Additional Features: Adjustment of zero point and sensitivity of measuring channels
RS 232/RS 485-Interface for communication with external pe-
riphery (PC or PLT-System)
Key switch function (maintenance mode)
Horn reset
Alarm reactivation
4 Digital inputs, potential free
4 Analog outputs 4-20 mA/0-10 V, potential free (only ET-4DA2)
Operation Temperature: -10 °C to +40 °C, Humidity: non condensing
Storage Temperature: -25 °C to +60 °C, Humidity: non condensing
Options: ProfiBus, ModBus, Ethernet connection, Visualisation ET-View, …
(with integrated ProfiBus DP-Module: ET-4DP2, 24 V (Art. 315010))
ExTox Gasmess-Systeme GmbH ● Max-Planck-Straße 15 a ● 59423 Unna (Germany) ● Tel. +49 2303 33 247-0 ● Fax +49 2303 33 247-10
Internet: www.extox.de ● mail to: info@extox.de
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Gas Detection Control Unit ET-4D(A)2
Electrical Features
Power Supply: ▪ 230 V AC (85…264 V AC, 47…440 Hz / 120…340 V DC) or
▪ 24 V DC
Power Consumption: 45 W (230 V AC: max. 0.2 A , 24 V DC: max 2 A)
Conformity
EC-Directives: II (3)G
2014/34/EU (ATEX), 2014/30/EU (EMV), 2014/35/EU (LVD)
Type Test: BAM 10 ATEX 0301 X (Art. 315000, 317000, Software ET481118,
acc. to Standards EN 60079-29-1:2007, EN 50271:2001)
Measuring Function: Designed acc. to
DIN EN 60079-29-1
DIN EN 45544-1 to DIN EN 45544-3
DIN EN 50104
I/O-Connection Scheme
Internal
used
0V 24V
Relay 1 Relay 5 Relay 9 E1+
PE N L
SLD SLD
GND GND E1-
Digital inputs
1 2 3 lin lin E2+
+24V +24V E2-
CH1
CH3
Fault A A E3+
24V 24V 24V
for external devices (e.g. horn)
E3-
L L L
(Relay 13) B B
Relay 2 Relay 6 Relay 10 I out - I out - E4+
I out + I out + E4-
SLD SLD
GND GND
0V 0V 0V
N N N
Maintenance lin lin
+24V +24V
CH2
Relay 3 Relay 7 Relais 11
(Relay 14) A CH4 A
B B RS
I out - I out - 485
PE PE PE
I out + I out + AB
+24V
GND
Relais 4 Relais 8 Relais 12
0V 24V
CH1-4:Measuring channel 1-4
PE N L
SLD PE (or Shielding)
GND Ground
Iin 4 to 20 mA Transmitter signal
Common
Close
Open
Pwr supply +24 V Power supply
230 V AC Transmitter
or A, B RS 485-Interface
24 V DC I out-,+ Analog output ( ET4-DA2 only)
(Smoke detectotrs acc. manual)
Relays Configuration
Relay 1 to 12: Freely configurable at device (Alarm 1 to 3, fault, reset able, open-
circuit/closed-circuit principle, logic linking AND/OR)
Relay 13: Device fault
Relay 14: Maintenance mode
Standard Settings: Relay 1 to 4: 1. Alarm of channels 1 to 4
Relay 5 to 8: 2. Alarm of channels 1 to 4
Relay 9: 1. Common Alarm of channels 1 to 4
Relay 10: 2. Common Alarm of channels 1 to 4
Relay 11: 3. Common Alarm of channels 1 to 4
Relay 12: Common fault of channels 1 to 4
All relays: closed-circuit principle, non reset able
(deviations possible when used in ExTox IMC, in special versions or
in combination with smoke detectors)
Option: Adjustment acc. to customer requirements:
on factory-sided delivery
at location by ExTox-Service
ExTox Gasmess-Systeme GmbH ● Max-Planck-Straße 15 a ● 59423 Unna (Germany) ● Tel. +49 2303 33 247-0 ● Fax +49 2303 33 247-10
Internet: www.extox.de ● mail to: info@extox.de
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Gas Detection Control Unit ET-4D(A)2
Type Wall Mounted
120 mm 240 mm
Bohrlochabstand: 226 mm
Bohrlochabstand: 146 mm
160 mm
194 mm
Type: Wall mounted housing for fix installation
Dimension (WxHxD): 240 mm x 194 mm x 120 mm
Material: Housing ABS
Enclosure Rating: IP 54
Cable Gland: ▪ 1 x M20 x 1.5 (diameter of cable 7-13 mm)
▪ 10 x M16 x 1.5 (diameter of cable 5-10 mm)
Installation Hints: ▪ Lead-through for mounting screws: d= 4.5 mm
▪ The housing can be opened for installation and maintenance purposes by
tucking up the cover. Provide free space above the housing.
Type DIN-Rail
130 mm 240 mm
40 mm
Hutschiene
Abstand: 86 mm
160 mm
194 mm
Hutschiene
Type: Identical to wall mounted type, but additionally with adapters for installation
on Standard DIN-Rails 35 mm x 7.5 mm
Installation Hints: ▪ Adapters are mounted on the back plate to snap-in the housing on the
DIN-rails. The connection can easily be loosened by a screw-driver. Pull
up the nozzle of the adapter.
▪ The housing can be opened for installation and maintenance purposes by
tucking up the cover. Provide free space above the housing.
ExTox Gasmess-Systeme GmbH ● Max-Planck-Straße 15 a ● 59423 Unna (Germany) ● Tel. +49 2303 33 247-0 ● Fax +49 2303 33 247-10
Internet: www.extox.de ● mail to: info@extox.de
ET-4D(A)2_e_2019-01-22.docx,22/01/2019, page 3 of 4
Gas Detection Control Unit ET-4D(A)2
Type Control Panel
296 mm
Abstand Bohrungen: 175 mm
196 mm
187 mm
10,5 mm
10,5 mm
Abstand Bohrungen: 275 mm
287 mm
Type: Installation in control panels or cabinets. Indication/Controller to be installed
in front cut-out. I/O-clamp terminal can freely be positioned on mounting
places.
Dimension (WxHxD): 296 mm x 196 mm x 80 mm (Indication/Controller)
240 mm x 160 mm x 40 mm (I/O-clamp terminal)
Material: Front lid: Polystyrene with double front seal
Enclosure Rating: IP 54 (front lid)
Installation Hints: ▪ Lead-through for mounting screws: d= 3 mm
▪ I/O-clamp terminal for remote installation inside the cabinet:
Bore holes: 226 mm x 146 mm,
Connection cable: ca. 1.8 m (special length on demand)
Options: ▪ I/O-clamp terminal not remote: installation is done on the backside of
the controller PCB. Depth of complete device: ca. 160 mm
▪ Front lid for adaption to customer specific dimensions of control panel
cut-out
Type 19''-Rack
Type: Identical to Control Panel Type, but built-in 19''-frame rack
Dimension (WxHxD): 482.6 mm (84 TE) x 265.35 mm (6 HE) x 185 mm
(Subject to technical changes)
ExTox Gasmess-Systeme GmbH ● Max-Planck-Straße 15 a ● 59423 Unna (Germany) ● Tel. +49 2303 33 247-0 ● Fax +49 2303 33 247-10
Internet: www.extox.de ● mail to: info@extox.de
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