Emerson 2120 - Page 10

December 2016
10
Quick Start Guide
4.4 DPCO relay output electronics
(green label, 12 Vdc nominal version)
High level Dry = ON Low level wet = ON
LED on continuously
LED flashes each
second
LED on continuously
LED flashes each
second
NC
C
NO
NC NO
789
NOCNC
RELAY
123
+
45
6
NOCNC
OPERATION MODE
Dry On
Dry
Wet
Wet On
Dry
Wet
Dry On
Wet On
Seconds Delay
30
10
3
1
0.3 0.3
30
10
3
1
Isolate Supply Before Removing12 VDC NOM.
C
Resistive Load
cos φ = 1 ;
L/R = 0 ms
ac:
dc:
Inductive Load
Fuse 0.5 (T)PE
(Ground)
DPST
0V +V
U = 9...30 V (dc)
I < 4 mA
I
MAX
= 2 A
U
MAX
= 125 V
P
MAX
= 62.5 VA
U
MAX
= 30 V
P
MAX
= 60 W
cos φ = 0.4 ;
L/R = 7 ms
ac:
dc:
I
MAX
= 1 A
U
MAX
= 125 V
P
MAX
= 37.5 VA
U
MAX
= 30 V
P
MAX
= 30 W
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
NC NOC
NC NOC
NC NOC
NC NOC
NC NOC
NC NOC
NC NOC
NC NOC