Siemens ULTRAMAT 6F Руководство по эксплуатации - Страница 42
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7.6
Technical specifications for operation in hazardous areas
The following tables show the data relevant to explosion protection. If the values shown here differ from the general or
device-specific technical specifications, the values specified here apply.
Position of use
Danger zone
Ambient temperature
Moisture
Explosion protection
Assignment of pressurized enclosure Ex px with leakage compensation:
Ignition protection type
Temperature class *)
Explosion group
*) Assuming that the doors of the enclosure are opened at the earliest 10 minutes after switching off the power.
Assignment of simplified pressurized enclosure Ex pz with continuous purging
Ignition protection type
Temperature class *)
Explosion group
*) Assuming that the doors of the enclosure are opened at the earliest 10 minutes after switching off the power.
42
Zone 1 and zone 2
5 ... 45 °C
No cooling below dew point during storage and operation
Pressurized enclosure
•
xxx0x-xAEx, 7MB253x-xxxx-xxEx, 7MB201x-xxx0x-2xxx or -3xxx and 7MB211x–xxxxx–
2xAx or -3xAx)
Pressurized enclosure
•
xxx0x-xAFx, 7MB253x-xxxx-xxFx, 7MB201x-xxx0x-6xxx or -7xxx and 7MB211x–xxxxx–
6xAx or -7xAx)
Intrinsic safety i for keyboard isolation component and PROFIBUS PA output option
•
Device
O 6F, unheated
O 6F, heated
U 6F
C 6F
IIC
Pressurized enclosure Ex pz with continuous purging
•
xxx0x-xACx, 7MB201x–xxx0x–0xxx- or -1xxx-Z+E12 and
7MB211x–xxxxx–0xAx- or -1xAx-Z+E12, 7MB253x–xxxxx–xxCx)
Device
OXYMAT 6F, unheated
OXYMAT 6F, heated
ULTRAMAT 6F
CALOMAT 6F
CALOMAT 62F
IIC
Compact Operating Instructions in accordance with EN 61010-1 and EN 60079-0
Ex px with leakage compensation:
Ex px with continuous purging:
Ex px with leakage compen-
sation
T4
T3
T4
T4
(Analyzer versions 7MB251x-
(Analyzer versions 7MB251x-
Ex px with continuous purg-
ing
T4
T3
T6 (T4 with PROFIBUS PA
module)
T4
:
(Analyzer versions 7MB251x-
Ex pz
T4
T3
T6 (T4 with PROFIBUS PA module)
T4
T4
A5E45779389002-01, 09/2018