MSA PrimaX - Special Conditions for the Safe Use According to ATEX and SIL Applications

Option:
HART Module Connector, only for temporary connection of an intrinsic safe
HART Field Communicator
P
o
≤ 700mW, U
o
≤ 28V, I
0
≤ 100mA, L
o
≤ 10µH, C
o
≤1nF
P
i
≤ 5mW, U
i
≤ 5V, I
i
≤ 1mA, L
i
= 0, C
i
= 0
Special conditions for safe use:
• It is not allowed to open the key pad cover by use in areas where Category 1G, Group IIC is
required.
• Avoid electrostatic charge on the temporary used calibration cap when used for calibration.
Quality Assurance Notification: see Label
Year of Manufacture: see Label
Serial Nr.: see Label
7.3 Special conditions for the safe use according to ATEX and SIL
applications
Safety relevant parameters for the Gas Transmitters
Type B
Structure 1oo1 or 1oo2
HFT 0 or 1
PFD, PFH, SFF see table
λ
tot
, λ
D
, λ
DU
, λ
DD
see table
MTTR 72 h
T1 16 weeks [Proof-Test-Interval]
Possible structures and acquirable SILs
The following table shows, which structure has to be selected, to fulfil the requirements of a special SIL.
LDM = Low Demand Mode
HDM = High Demand or Continuous Mode
SIL1 SIL2 SIL3
LDM HDM LDM HDM LDM HDM
Structure 1oo1 X X X
Structure 1oo2 X X X X X X
Depending on the selected configuration and the sensor version, the following safety-relevant parameters
have to be considered while implementing the safety loop:
49 PrimaX GB
7 Approvals