8/16 Ma Electronics Cassette - Emerson Rosemount 2130 Reference Manual

Reference Manual
00809-0100-4130, Rev DC
2.7.6 8 16 mA electronics cassette
/
Figure 2-27. 8/16 mA (Dark Blue Label)
Ex
Ex
Note
This electronics cassette is suitable for intrinsically safe applications and requires a certified isolating
barrier. See
This
electronics
In this case, U = 11 - 36 V
LED on continuously
Installation
OPERATION MODE
Dry On Mode
+
Dry
Wet
Wet
Dry
Wet On Mode
1 2 3
I 15 ... 17 mA
=
ON
I = 7.5 ... 8.5 mA
OFF
PE
I < 3.7 mA
(Ground)
FAULT
-
+
A certified intrinsically safe barrier
must be used to meet IS requirements
-
+
"Product Certifications" on page 53
cassette is also suitable for non-hazardous (safe) area applications
(dc) and it can only be interchanged with a NAMUR cassette
High level, dry = on
Dry On Wet On
0.3 0.3
1
1
3
3
10
10
30 30
Seconds Delay
+
> 15 mA
< 8.5 mA
LED flashes every second
8/16 mA
Dry On Wet On
0.3 0.3
1
1
3
3
10
10
30 30
Seconds Delay
U = 24 Vdc Nominal
for intrinsically safe approvals.
+
> 15 mA
LED on continuously
.
.
Low level, wet = on
Dry On Wet On
0.3 0.3
1
1
3
3
10
10
30
30
Seconds Delay
+
< 8.5 mA
LED flashes every second
Installation
January 2019
+
29