80
8013741/16LH/V1-7/2020-04| SICK
O P E R A T I N G I N S T R U C T I O N S | MCS300P Ex
Subject to change without notice
9
SPECIFICATIONS
9.4.4
Pressurized enclosure system settings for ATEX-3G
Pressurized enclosure system used: Gönnheimer F840
WARNING:
Risk of explosion with incorrect parameters
▸
Do not change the parameters of F840 and purge valve setting.
(The parameter password is specific for SICK and only available for SICK Customer
Service)
F840 parameter
Setting
Pre-purging: Yes
Purging method Auto:
Yes
Input function:
None
Output function A1 (signal contact 1):
Ex OK
Control direction A1 (signal contact 1):
Normally open (no)
Output function A2 (signal contact 2):
p<p alarm
Control direction A2 (signal contact 2):
Normally open (no)
Volume
[1]
:
50 l (3000 in
3
)
Primary pressure
[2]
:
2.0 mbar (29 psi) (relative)
Nozzle:
2.0 mm (0.079 m)
Minimum pre-purging pressure:
7.0 mbar (0.1 psi) (relative)
Minimum pressure in operation:
0.8 mbar (0.012 psi) (relative)
Signal pressure
1.5 mbar (0.022 psi) (relative)
Maximum pressure during operation:
18.0 mbar (0.26 psi) (relative)
Maximum bypass time:
Off
[1] Safety factor: 1.25
[2] Minimum primary pressure (longer purge time)
