Rosemount 2120 - Quick Start Guide

Quick Start Guide
9
August 2012
PNP/PLC electronics cassette (three-wire, yellow label)
High level Dry = ON Low level Wet = ON
PLC (positive input)PNP dc
LED on
continuously
LED flashes each
second
LED on
continuously
LED flashes each
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
3
OUT
+
-
4
PLC/PNP
Isolate Supply
Before Removing
PE
(Ground)
0VO/P
U = 20 - 60 V (dc)
I < 4 mA + I
L
I
L ( MAX )
= 0 - 500 mA
U
OUT(ON)
= U - 2.5 V
I
L (OFF)
< 100A
+V
Fuse 2A(T)
= 5 A, 40 ms (inrush)
I PK
Note: The values
shown are nominal;
see the 2120
Reference Manual
00809-0100-4030
for complete data
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
OUT
-
+
PLC
+
I/P
U
<3V
I
L
OUT
-
+
PLC
+
I/P
I
L
<100 A
OUT
-
+
PLC
+
I/P
U
<3V
I
L
OUT
-
+
PLC
+
I/P
I
L
<100 A
OUT
-
+
+
U
<3V
I
L
Fuse
1A(T)
R
OUT
-
+
+
I
L
Fuse
1A(T)
R
< 100 A
OUT
-
+
+
U
<3V
I
L
Fuse
1A(T)
R
OUT
-
+
+
I
L
Fuse
1A(T)
R
< 100 A