Emerson 2120 Quick Start Manual page 10
Level switch
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Also See for 2120:
- Reference manual (82 pages) ,
- Quick start manual (40 pages) ,
- Manual supplement (16 pages)
Table of Contents
Quick Start Guide
4.4 DPCO relay output electronics
(green label, 12 Vdc nominal version)
12 VDC NOM.
1
PE
(Ground)
High level Dry = ON
Dry On
0.3
1
3
10
30
Seconds Delay
NC
C
NO
NC
C
NO
LED on continuously
10
OPERATION MODE
Seconds Delay
+
Dry On
Dry
Wet On
0.3
0.3
Wet
1
1
3
3
10
10
Dry
30
30
Wet
2
3
Fuse 0.5 (T)
DPST
U = 9...30 V
I < 4 mA
0V
+V
Wet On
0.3
1
3
10
30
NC
C
NO
NC
C
LED flashes each
second
Isolate Supply Before Removing
Dry On
NC
C
NO
Wet On
4
5
6
NC
C
NO
Resistive Load
cos φ = 1 ;
L/R = 0 ms
I
= 2 A
MAX
ac:
U
= 125 V
MAX
P
= 62.5 VA
(dc)
MAX
dc:
U
= 30 V
MAX
P
= 60 W
MAX
Low level wet = ON
NC
C
NO
NC
NO
LED on continuously
December 2016
NC
C
NO
7
8
9
NC
C
NO
Inductive Load
cos φ = 0.4 ;
L/R = 7 ms
I
= 1 A
MAX
ac:
U
= 125 V
MAX
P
= 37.5 VA
MAX
dc:
U
= 30 V
MAX
P
= 30 W
MAX
Dry On
Wet On
0.3
0.3
1
1
3
3
10
10
30
30
Seconds Delay
NC
C
NO
C
NO
LED flashes each
second
NC
C
NO
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