VDL (E3) 09/2019 Page 48/234
(1) Power cable
(2) Connection cable to Ethernet interface for computer communication
(3) 2 connection sockets (3a) top and (3b) below:
(3a) Connection „Object temperature input“ (option) for optional object temperature display
(3b) Connection „Analog output“ (option) for optional analog outputs for temperature and pres-
sure
(4) Universal connection for inert gas / ambient air inlet “GAS/AIR”, adapter with hose olive ∅ 8 mm /
0.31 in
(5) Additional Universal connection for inert gas / ambient air inlet“GAS/AIR 2” (option), adapter with
hose olive ∅ 8 mm / 0.31 in
(6) Vacuum connection with small flange DN16
(7) Plug „Manual ventilation“ for emergency ventilation in case of power failure
(8) Heatsink
(9) Pressure regulator for sweeping / overpressure
(10) Compressed air connection for sweeping / overpressure
3.6 Area classification, information for the zone classification
The operator is to classify the zones. The following areas are identified below:
• Unprotected areas. The spread of an explosive atmosphere to unprotected device parts must be relia-
bly prevented.
• Areas where, depensing on the substances used, explosive atmospheres may occur on a rare and
temporary basis. The creation of a zone outside the defined areas must be reliably prevented.
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