Rosemount 2130 - Intrinsically Safe NAMUR Cassette

Reference Manual
00809-0100-4130, Rev AA
May 2009
2-11
Rosemount 2130
Intrinsically Safe NAMUR
Cassette
• Intrinsically safe NAMUR (Blue label and cassette)
NOTES:
This I.S. cassette can not be interchanged with any other cassette, and
requires an Isolating Amplifier. Do not exceed 8V dc.
See Appendix B for I.S. approvals.
High level Dry = ON Low level Wet = ON
LED on continuously
LED flashes every
second
LED on continuously
LED flashes every
second
OPERATION MODE
Dry On Mode
Dry
Wet
Wet On Mode
Dry
Wet
Dry On Wet On
Seconds Delay
0.3 0.3
3
30
10
1
3
30
10
1
12
+-
Intrinsically Safe
EN 50227/ NAMUR
I
ON
= 2.2 ... 2.5 mA
I
OFF
= 0.8 ... 1.0 mA
+
-
Isolating amplifier to NAMUR (IEC60947-5-6, EN50227)
Ex
Ex
8V
dc
Dry On Wet On
Seconds Delay
0.3 0.3
3
30
10
1
3
30
10
1
Dry On Wet On
Seconds Delay
0.3 0.3
30
10
3
30
10
1
3
1
+
-
>2.2 mA
+
-
<1.0 mA
+
-
>2.2 mA
+
-
<1.0 mA