Rosemount 2120, Справочное руководство

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Reference Manual
00809-0100-4030, Rev DA
June 2007
Rosemount 2120
2-11
2120 Relay Output
• Relay output, SPCO (Green label)
NOTE:
DPST = ‘Double Pole, Single Throw’ (on/off) switch - must be fitted for safe disconnection of
the power supply. Fit the switch as near to the 2120 as possible. Keep the switch free of
obstructions. Label the switch to indicate that it is the supply disconnection device for the
2120.
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
4 5 6
NO C NC
RELAY
1 2 3
L N
PE
(Ground)
N
0V
Fuse 0.5A (T)
Live
+V
U = 20 - 264V ~ (ac) (50/60Hz)
I < 6mA
U = 20 - 60V (dc)
I < 6mA
NC
C
NO
U
MAX
= 250V ~ (ac)
I
MAX
= 5A
P
MAX'
= 1250VA, cos
φ
= 1
P
MAX'
= 1000VA, cos
φ
= 0.7
U
MAX
= 60V (dc)
I
MAX
= 5A, U < 30V
I
MAX
= 1.5A, U < 60V
DPST
=Load On
= Load Off