Rosemount 2120 - Page 10

August 2012
10
Quick Start Guide
Relay output electronics cassette (DPCO, green label)
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
LN
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 Removing Warning
C
Resistive Load
cos φ = 1 ;
L/R = 0 ms
ac
dc
Inductive Load
Fuse 0.5 (T)PE
(Ground)
DPST
N
0V
+V
Live
U = 20...264 V ~ (ac)
(50/60 Hz)
U = 20...60 V (dc)
I < 6 mA
I < 6 mA
I
MAX
= 5 A
U
MAX
= 250 V
P
MAX
= 1250 VA
U
MAX
= 30 V
P
MAX
= 240 W
cos φ = 0.4 ;
L/R = 7 ms
ac
dc
I
MAX
= 3.5 A
U
MAX
= 250 V
P
MAX
= 875 VA
U
MAX
= 30 V
P
MAX
= 170W
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