Page 431 - Bürkert

Safety Barrier

• 2 or 4 channels, intrinsic safety digital inputs: proximity detectors NAMUR, contacts...
• Rail mount on hat profile 35 mm
SE30 Ex
• All connections by removable screw terminals

Specifications
Digital inputs Each of the 4 x intrinsic safety inputs can be Specifications (continued) Intrinsic safety associated apparatus.
Classification for explosive
configured independently for a contact or a areas It must be installed in safe area and connected
proximity detector NAMUR as per DIN 19234 to materials installed
Intrinsic safety inputs Proximity detector NAMUR as per DIN 19234 in zone 0, 1 or 2 - Gas (G) or
or free potential contacts, relays, pressure or in zone 20, 21 or 22 - Dust (D)
temperature switches or push buttons in hazard- Classification according to ATEX 94/9/CE:
ous area. I/II (M1)/(1) G/D [EEx ia] IIC
Non intrinsic safety According to the type of sensor and the chosen Safety parameters see EC-type certificate LCIE
recopy outputs logic: a green LED on the front panel displays a 00ATEX 6034X
free-potential contact for each channel without Ambient Temperature
common wire. Operating -20 to +60°C
Collector cut-off power 15 V - 60 mA - 0.9 VA - 350 Hz -20 to +50°C (recommended)
Selection of the sensor type Inductive / capacitive intrinsic safety certified Storage -40 to +80°C
NAMUR proximity detector or free-potential Dimensional & mechanical Housing for symmetrical DIN rail (hat profile
contacts. 35 mm as per standard NFC63015 / EN50022) -
Selection of the logic By a mini-DIP choice of active proximity Depth:120 mm ; - Height: 90 mm - 145 mm
switches or when contact is NO (Normally Open) overall including space for cables ; Width on
or NC (Normally Closed). rail 29.5 mm. Minimal distance between rails:
Fault detector For all inputs configured as NAMUR, all models 180 mm.
are provided with fault detector (broken line or Installations conditions
short-circuit). In faulty case, the green front LED Mounting on DIN rail: must take into account thermal dissipation
switches off, the contact of the defective chan- and risk of overheating generated by housings
nel opens and the red LED corresponding to the installed side by side. In case of a high concen-
defective channel switches on. tration inherent safety barrier, we recommend
Other channels are not affected. to leave a free space of 10 mm between each
Power supply 24 V DC ±10% group of 8 units (horizontal rail) and between each
230 V AC ±10% group of 4 units (vertical rail).
1 front panel yellow LED is “ON” when supply Mounting inside a cabinet: It is recommended to close the electrical cabinet
is active and to ensure a circulation of fresh air even by
Consumption 5 VA means of an air conditioner to keep the inside
Connections All connections by removable screw terminals. temperature at the level compatible with the
Supply distribution by means of a flat cable from recommended operating temperature among
one unit to the next one. the units.

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