-----
CVM-BDM supply network analyzer
-------- --- Page Nº 38
1.- Connections of the 4- 20 mA outputs :
a.-
CVM-BDM-420
(Two 4-20 mA outputs : channel 1 and channel 2 )
and
b.-
CVM-BDM-C420
( One 4-20 mA output : channel 1 )
Terminals
Signal
Terminals
Signal
Channel
27
20 mA (--) (Common)
Channel
25
20 mA (--) (Common)
1
26
20 mA (+)
2
24
20 mA (+)
2.- Output calculation:
)
.
(
)
20
(
Re
Offset
scale
F
Zero
solution
−
−
=
Offset & f. scale
= defined by the
user
Zero
= 0 mA or 4 mA
-
(
)
Zero
Offset
Mesure
solution
mA
+
−
=
*
Re
-
mV = mA x ohms
mV
(100 ohms)
= mA x 100
- Maximum load is of 250
Ω
(5 V - 20 mA)
- The maximum allowed offset is a value equal to the 90% of the full scale.
)
Output of the power factor parameter ( PF):
0/4 mA
----------------------------
-------------------------
20 mA
+0.00 Ind. 1.00 Cap. – 0.00
